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AC Cars

AC Cars is a specialist automobile manufacturer founded in 1901 by the in West Norwood, , and is recognized as the United Kingdom's oldest continuously operating independent car maker. Originally established as Weller Bros Ltd., the company evolved into Autocarriers Ltd. in 1907 and AC Cars Ltd. in 1922, initially producing delivery vehicles and light cars before focusing on s. It gained prominence with the introduction of the in 1953, a lightweight that served as the basis for the legendary , developed in 1962 through a partnership with American racer , which combined the AC chassis with Ford V8 engines. The company's history includes significant innovations, such as the AC Light Car in 1913 and the Light Six engine introduced in 1919, which powered various models for over four decades. AC Cars achieved notable racing successes, including a class win at the 1963 with the and the Sports Car World Championship in 1965 with the Shelby Cobra Daytona Coupe. Post-World War II, it diversified into saloons like the 2-Litre and Greyhound, as well as invalid carriages, before refocusing on high-performance vehicles amid financial challenges and ownership changes in the 1980s and 1990s. Today, headquartered at Donington Park since 2023, AC Cars produces both petrol and electric sports cars, including modern interpretations like the AC Cobra GT Roadster unveiled in 2023, a reimagined AC Ace with electric variant in 2024, the AC GT Coupe entering production in 2025, and the high-performance GT SuperSport Prototype with 1,025 bhp also unveiled in 2025; the company expanded to the US market via AC Cars America in June 2025, continuing its legacy of blending heritage with contemporary engineering.

History

Founding and Early Innovations (1901–1920s)

AC Cars originated in 1901 when the —John, Horace, and Frederick—established Weller Bros Ltd in , , as a general engineering and repair firm specializing in early motor vehicles, including three-wheeled delivery options for commercial use. John Weller, the principal inventor, developed the company's initial prototype around 1903, a 20 four-wheeled displayed at Motor Show, which garnered positive reviews but faced production challenges due to its advanced features. This was soon followed by the design of a more practical three-wheeled delivery vehicle, the Auto-Carrier, powered by a single-cylinder engine driving the rear wheel and featuring tiller steering for maneuverability in urban settings. The Auto-Carrier entered production in 1904 after the company renamed itself Autocars and Accessories Ltd, marking AC's shift toward commercial viability with a focus on lightweight, efficient transport solutions. By 1907, the firm had evolved further, introducing the Sociable—a passenger-carrying variant of the that seated two facing passengers—and reincorporating as Auto Carriers Ltd, adopting the "AC" abbreviation that would become iconic. In 1911, the company relocated to the larger Ferry Works in , , for expanded production capacity, and introduced the AC logo to brand its vehicles distinctly. This period saw the debut of AC's first four-wheeled passenger car in 1913, the AC Light Car, equipped with a 10 engine in a sporty two-seater configuration, emphasizing simplicity and affordability for the emerging middle-class market. However, disrupted automotive production from 1914 to 1918, redirecting efforts at Ferry Works to manufacturing munitions, shells, fuses, and ambulance bodies to support the war effort, with only a single prototype light armored car built for the in 1919. Post-war resumption in 1919–1920 brought significant innovation under John Weller's direction, culminating in the AC Six—a 16 inline-six engine with a 1,478 cc producing around 40 , noted for its wet-liner construction and advanced single overhead design that enhanced performance and longevity. This engine powered the AC Light Six model introduced in 1921, available in open tourer and saloon variants, and quickly gained a reputation for reliability due to its robust build and efficient crossflow head, allowing speeds up to 70 in a lightweight chassis. In 1921, racing driver Selwyn F. Edge acquired a controlling share, becoming governing director and steering the company toward to boost visibility, which led to the formal incorporation of AC Cars Ltd in 1922. Under Edge's influence, AC achieved early racing successes, including J.A. Joyce's class win at the 1923 Speed Trials, where an AC Light Six covered the standing-start kilometer in record time, and further records like 101.39 over 100 miles set in 1922, validating the Weller engine's capabilities. These innovations laid the groundwork for AC's enduring focus on lightweight, reliable sports-oriented vehicles, though the company transitioned to new ownership under the Hurlock family in 1930.

Hurlock Ownership and Pre-War Growth (1930s–1940s)

In 1929, (Acedes) Ltd. entered voluntary liquidation under the management of Selwyn Edge amid severe economic pressures from the and ensuing downturn. The following year, brothers and Hurlock, successful dealers in cars and trucks, acquired the remnants of the company primarily for its factory and established servicing business, reforming it as Cars Ltd. Initially, the Hurlocks had no intention of resuming automobile manufacturing, concentrating instead on maintaining the profitable repair operations for existing vehicles and stockpiled parts. This cautious approach allowed the firm to stabilize financially during the early stages of the . By 1933, encouraged by the completion of a for William Hurlock using leftover components, the company relaunched limited production with the AC 16/56 and AC 16/66 models, powered by an updated version of the reliable 1991 cc overhead-camshaft six-cylinder Weller engine originally developed in the . These vehicles offered a range of body styles, including tourers and saloons, emphasizing the brand's reputation for elegant engineering and performance. The decade saw further expansion with the introduction of the AC 16/80 sports tourer in , a shorter-wheelbase variant tuned for higher output and competition use, which helped sustain AC's presence through entries in events like hill climbs and reliability trials. However, the persistent economic challenges of the constrained output to modest levels, with the company prioritizing quality over volume to navigate the market slump.) The outbreak of in 1939 forced AC to pivot entirely to wartime production, halting civilian car manufacturing as the factory contributed to the Allied effort by producing aircraft components, fire pumps, radar vans, flamethrowers, gun parts, and sights. Among these, the AC Jezebel emerged as a notable light utility vehicle, adapted from pre-war designs for and roles. This diversification not only ensured the company's survival but also provided essential revenue streams during the conflict. In the immediate post-war years of 1945–1946, the Hurlock brothers oversaw for civilian resumption, including the development of prototypes to test new designs while temporarily expanding into non-automotive products such as trolleys and electric trains to bridge financial gaps. This period of adaptation and groundwork on updated chassis and engines laid the foundation for AC's revival, culminating in the 1953 launch of the iconic as the first major peacetime model.

Post-War Revival and Peak (1950s–1970s)

Following , AC Cars resumed civilian automobile production in 1947 under the continued ownership of the Hurlock family, who had acquired the company in 1930. The initial post-war model was the AC 2-Litre saloon, featuring a 2.0-litre inline-four engine developed from pre-war designs, with overhead valves and pushrod actuation, delivering around 85 horsepower. This saloon, along with drophead coupé and Buckle tourer variants, utilized an with leaf-spring suspension and aluminum bodywork, marking a cautious return to manufacturing at the facility after wartime production of utility vehicles and components. The company's revival gained momentum in the early with a shift toward sports cars, culminating in the launch of the at the London Motor Show. Designed by John Tojeiro, the Ace was a lightweight two-seater roadster built on a 3-inch tubular steel ladder-frame , initially powered by AC's own 2.0-litre inline-four producing 100 horsepower, later upgraded to a 2.0-litre or 2.2-litre straight-six for enhanced performance up to 120 horsepower. Its aluminum alloy body and compact dimensions—90 inches wheelbase—emphasized agility, with early examples achieving top speeds over 110 mph. The Ace quickly established racing credentials, securing class victories at the in 1959 (first in GT 2.0-litre class) and strong overall finishes in 1957 (10th) and 1958 (8th and 9th). A coupé variant, the Aceca, followed in 1954. A pivotal international partnership in 1962 transformed AC's fortunes through collaboration with American racing entrepreneur Carroll Shelby, resulting in the AC Cobra. Shelby adapted the strengthened Ace chassis—now with disc brakes and wider track—to accommodate Ford V8 engines, starting with the 260 cubic-inch (4.3-litre) unit producing 260 horsepower, followed by the 289 cubic-inch (4.7-litre) version at 271-306 horsepower, and culminating in the high-performance 427 cubic-inch (7.0-litre) model with up to 425 horsepower. Production began in England, with chassis shipped to the U.S. for final assembly; by 1968, approximately 998 units had been built across all variants, blending British chassis expertise with American muscle for exceptional acceleration (0-60 mph in under 5 seconds for later models) and top speeds exceeding 160 mph. The Cobra's dominance in motorsport included GT class victories at Le Mans in 1964 (first overall in class) and 1965 (first through fourth places), contributing to Shelby's teams winning the FIA GT World Championship in 1965. During the 1960s, AC expanded its lineup with to appeal to a broader market. The , introduced in 1959 as a 2+2 coupé derived from the platform, featured coil-sprung on all wheels—wishbones at the front and trailing arms at the rear—for improved ride comfort and handling, powered by or straight-six engines up to 2.6 litres. Only 82 examples were produced through 1962, emphasizing hand-crafted aluminum and a focus on long-distance touring. This was succeeded by the AC 428 in 1965, a more upscale Frua-styled with a stretched , panels over the Cobra-derived , and the 7.0-litre delivering around 345 horsepower for a top speed of 145 mph; available as a or , it saw limited production of 81 units until 1973. The 1970s brought challenges amid shifting market demands and economic pressures, though AC persisted with innovative designs under Hurlock stewardship. The AC 3000 ME, unveiled as a prototype at the 1973 London Motor Show, was a mid-engined two-seater with bodywork and a steel-tube , powered by a 3.0-litre Ford Essex producing 138 horsepower; production commenced in 1979 and continued until 1984, with 76 units built at before licensing shifted operations. Declining sales led to the sale of the historic factory in 1984, after which 30 additional 3000 ME examples were completed in , for a total of 106 units. Throughout this era, the Hurlock brothers—William and Charles—maintained a commitment to hand-built quality and small-scale production, overseeing AC from until selling the company in 1986, a period that solidified the brand's legacy in innovation.

Decline and Multiple Ownership Shifts (1980s–2000s)

In the early 1980s, AC Cars faced mounting financial pressures from declining sales of the , a mid-engined that ultimately saw 76 units produced before production halted in 1984. To sustain the brand, the company licensed the AC name and 3000ME design to AC (Scotland) plc, a new entity based in , , led by McDonald, which assembled 30 additional examples before the venture collapsed in 1985 due to insufficient demand. This period marked the end of original model development under the Hurlock family, who had controlled the company for 56 years, as low-volume production and market shifts toward more modern designs eroded profitability. By 1985, AC Cars Ltd. entered amid ongoing sales slumps, prompting the Hurlocks to sell the company in 1986 to a between Brian Angliss's Autokraft Ltd., a Cobra restoration specialist, and the , with Ford holding a 51% stake. Autokraft, based initially in , , shifted focus to limited-run replicas of classic models like the and , leveraging original tooling to produce the revised Cobra Mark IV as the primary offering. Operations relocated to a new facility at the historic circuit in 1988, where certification efforts enabled exports, including the EEC-compliant New Ace in 1993, though annual output remained modest at under 50 units. In 1992, Angliss acquired Ford's share for full control under Autokraft, introducing variants such as the Aceca-Bristol, but persistent financial challenges led to the dissolution of AC Cars Ltd. in 1996. The acquisition by South African businessman Alan Lubinsky in December 1996 formed AC Car Group Ltd., based in Weybridge, Surrey, emphasizing coachbuilt replicas and refinements to the Cobra lineup, including the 1999 launch of the AC Cobra Mark IV CRS at the London Motor Show, which incorporated carbon fiber elements for a lighter composite body and a 5.0-liter Ford V8 producing 225 horsepower. Production continued at low volumes, dropping to fewer than 100 units annually by the early 2000s, with the Brooklands site sold in 2001 and operations shifting to Frimley and then Guildford for repairs and limited assembly of FIA-spec Cobras. In 2002, AC Motor Holdings Ltd. was incorporated in Malta for tax advantages, facilitating a move to the Hal Far industrial park in 2005, where replicas like the Superblower variant were built until the facility closed in 2008. Following the Malta closure, ownership transitioned in 2008 to Acedes Holdings LLC, registered in St. Kitts and Nevis, which partnered with Motor Company for design while outsourcing manufacturing of replicas to in Port Elizabeth, , to reduce costs and leverage established replica expertise. This arrangement sustained production of the AC MkIV and related models, though volumes stayed limited amid legal disputes over branding rights with entities like International. In 2010, operations relocated to AC Automotive in Straubenhardt, , under new management including Count Albrecht Graf von Bernstorff, focusing on the AC MkV with updated and options for , continuing until the company's on July 24, 2023, amid unresolved financial instability. This of fragmented ownership and offshore shifts contrasted sharply with the cohesive Hurlock stewardship, reducing AC to a niche rather than an innovative manufacturer.

Contemporary Revival and Expansion (2010s–present)

In 2019, Swiss entrepreneur David Conza became an investor in AC Cars and was appointed as in , partnering with longtime Chairman Alan Lubinsky—who had led the company since —to drive strategic initiatives, including the development of a new design concept and early explorations into technology. This leadership duo marked a pivotal shift toward modernization, building on Lubinsky's efforts to stabilize the brand amid prior financial challenges. By 2020, these efforts bore fruit with the reveal of the 140 Charter Edition powered by a 2.3-liter engine and the unveiling of the first electric models, such as the AC Cobra Series 1 electric variant, signaling a commitment to both heritage and innovation despite global supply disruptions. The company's momentum continued into 2021 with celebrations of its 120th anniversary through the launch of 12 limited-edition Superblower models, each equipped with a supercharged V8 producing 580 horsepower, honoring a century of production while emphasizing performance heritage. In 2022, Conza advanced to while retaining Lubinsky as Chairman, and the firm announced development of the AC GT Roadster, establishing a more robust UK-based corporate framework that enhanced operational efficiency and set the stage for expanded production. This restructuring provided resilience, allowing AC Cars to navigate subsequent challenges, including the 2023 liquidation of its prior entity, AC Automotive, and focus on compliant, modernized vehicle builds. A major milestone arrived in 2023 with the global premiere of the GT at London's , coinciding with the establishment of new headquarters at in , , which includes dedicated , testing, and R&D facilities to support annual output of up to 250 units. The GT features an extruded aluminum and carbon fiber body, powered initially by a 5.0-liter V8 in petrol configurations delivering up to 663 in supercharged form, with designs adaptable for and electric powertrains to meet evolving regulatory and market demands. This venue and model launch underscored AC Cars' transition to multifaceted propulsion options, prioritizing road-legal compliance with safety standards through modern features like advanced and homologation-ready structures. By , AC Cars reintroduced the iconic and as part of its Classics lineup, utilizing lightweight carbon fiber bodywork produced in-house—drawing techniques from the GT Roadster—for both petrol (2.3-liter EcoBoost, 300 ) and electric (TREMEC eGT413 system, 302 hp with a 72 kWh battery) variants, with petrol starting at $228,500 and electric at $275,000 (as of ). The AC GT Coupe also entered production as the brand's first closed-roof model, inspired by the 1964 AC A98 racer, with a 5.0-liter V8 offering 454 standard or up to 799 in the Clubsport edition (limited to 99 units); overall annual production limited to 250 units, starting at $415,900 for the standard model (as of ). These releases aligned with the company's 123rd anniversary celebrations, which included facility expansions at to bolster global output and reinforce its status as Britain's oldest continuously active vehicle manufacturer since 1901. In 2025, AC Cars advanced its expansion with the launch of the AC GT SuperSport prototype, a US-market-focused limited-edition (25 units, starting at $550,000) boasting up to 1,025 from a tuned V8. Complementing this, the Cobra GT lineup introduced a new 2.0-liter turbocharged engine option delivering up to 390 for 2026 models, alongside ongoing electrified variants like the AC Cobra —first announced in 2021 and refined through 2024—to emphasize through zero-emission powertrains without compromising the brand's high-performance legacy. In March 2025, AC Cars announced that production of the GT Roadster and would relocate to a facility in , , to support increased output and right-hand drive markets. This focus on electric and innovations, including the 2024 AC electric, positions AC Cars as a forward-thinking of automotive heritage, adapting classic designs for contemporary environmental standards.

Automobiles

Pre-War and Wartime Models (1910s–1940s)

AC's entry into passenger car production began with the AC Light Car in 1913, a cyclecar-style powered by a 10 hp single-cylinder or twin-cylinder engine, designed for lightweight and economical motoring. This model featured a simple tubular and rear-mounted engine, reflecting the era's emphasis on affordability and simplicity, with production totaling approximately 500 units before being halted by the First World War in 1914. Following the war, AC introduced the AC Six in 1920, marking the debut of John Weller's innovative inline-six with a of 1,098 cc producing 16 hp, paired with a four-speed for improved performance and drivability. This , known for its durability and smooth operation, laid the foundation for AC's future powerplants and was offered in various body styles including tourers and saloons. Production of the AC Six was limited, with only a few dozen built before evolving into subsequent variants.) The AC Light Six series, produced from 1921 to 1927, represented significant evolutions in AC's lineup, starting with the 12/30 hp model that utilized an enlarged version of the Weller six-cylinder engine, now at 1,477 cc delivering around 30 hp. These models incorporated advancements such as a more rigid and, by 1927, hydraulic brakes on higher trims, enhancing safety and handling for both touring and sporting applications. The Light Six variants emphasized coachwork, with options for two- or four-seater configurations, and saw production of about 850 units across the decade, including interim 12 hp models assembled from parts into the early . The Weller engine's design principles, including its side-valve configuration and robust construction, would carry forward as a core technology in AC's vehicles for decades. In the , focused on refined saloons and tourers, beginning with the AC 16/56 introduced in 1932, equipped with a 1,991 cc six-cylinder engine producing 56 , offering a and comfort through its four-speed gearbox and improved . This was followed by the AC 16/66 in 1933, which introduced an optional overhead-cam engine variant for enhanced power output up to 66 , available with triple carburetors for spirited driving. The lineup culminated in the AC 16/80 sports model of 1934, a high-performance iteration achieving a top speed of 80 mph, featuring lightweight aluminum bodywork and advanced braking systems suited for both road and use. These models, built on an underslung tubular , prioritized elegance and customization, with production emphasizing handcrafted bodies. During the Second World War, AC shifted entirely to military production from 1940, manufacturing fire-fighting equipment, aircraft components, radar vans, flame throwers, guns, and sights, while developing for utility vehicles. One such effort was a Armoured , requested by the and based on the AC chassis, which did not advance beyond prototyping due to wartime priorities. Overall pre-war automobile output totaled around 2,500 cars, reflecting AC's niche focus on high-quality, low-volume bespoke vehicles rather than mass-market volumes. The tubular chassis concept from these eras would later influence post-war models like the .

Iconic Sports Cars (1950s–1960s)

The , launched in 1953 and produced until 1964, marked a significant evolution in AC's lineup with its innovative tubular steel ladder-frame chassis designed by engineer John Tojeiro, which offered superior rigidity and handling compared to contemporary competitors. The two-seater body was hand-formed from lightweight aluminum panels, contributing to a curb weight of around 1,900 pounds and evoking the sleek lines of barchettas. This design built upon pre-war AC chassis principles but incorporated at all wheels for enhanced roadholding. Initially equipped with AC's own 1,991 cc overhead-valve producing 100 horsepower, the delivered a top speed of 103 mph and 0-60 mph in approximately 11 seconds, making it suitable for both road and track use. From 1956, an optional 1,971 cc —derived from a pre-war design—became available, boosting output to 120-130 horsepower and improving performance to a top speed of 116 mph and 0-60 mph in 9 seconds. A closed variant, the Aceca, debuted in 1954, sharing the same and options while providing weather protection and slightly more practicality; it featured a fixed aluminum and was produced in limited numbers alongside the . Over 550 examples of the and Aceca were built in total, with the model's racing successes, including class wins at , underscoring its sporting credentials. The , developed through a landmark collaboration between AC Cars and American entrepreneur starting in 1962, repurposed the Ace's proven chassis to accommodate potent V8 engines, birthing one of the most legendary sports cars of the . The Mk I featured a cubic inch (4.3 L) V8 producing horsepower, while the 1963 Mk II upgraded to the 289 ci (4.7 L) version with 271 horsepower; both used a four-speed and . By 1965, the Mk III introduced the fearsome 427 ci (7.0 L) FE-series V8, initially rated at around 425 horsepower in street form (with variants exceeding 500 ), paired with wider wheels and reinforced components to handle the torque. Roadster configurations dominated production, though limited coupes like the variant were created for homologation. Weighing just 2,300 pounds in its 7.0 L form, the achieved blistering acceleration—0-60 mph in 4 seconds—and top speeds surpassing 170 mph, establishing benchmarks for power-to-weight ratios in production cars. Its raw, unfiltered driving experience, aided by and minimal , made it a favorite among enthusiasts, while racing adaptations secured class victories at in 1964 and 1965, plus the 1965 . Approximately 1,000 Cobras were produced between 1962 and 1968, with the model's enduring appeal inspiring modern replicas as homages to its design. The AC Greyhound, introduced at the 1959 London Motor Show and built until 1963, expanded AC's portfolio into the grand touring realm with a sophisticated four-seater coupe featuring a steel monocoque body for structural integrity and comfort on long journeys. It utilized an extended version of the Ace chassis with overdrive-equipped four-speed manual transmission, emphasizing refinement over outright sportiness. Most examples were fitted with a 2,553 cc inline-six engine from the Ford Zephyr, producing 170 horsepower, which enabled a top speed of 120 mph and 0-60 mph in about 9 seconds; earlier Bristol-powered units offered 120-130 hp for smoother operation. Only 83 units were produced, rendering the Greyhound one of AC's rarest 1960s models and a collector's prize for its elegant, understated styling and balanced dynamics.

Later Production Models (1970s–1990s)

During the , as AC Cars navigated financial challenges under the Hurlock family ownership, production shifted toward limited-run grand tourers that built on the 's legacy while incorporating updated engineering. The AC 428, originally introduced in 1965 but continuing into the early , served as the final GT model from this era. It featured a coachbuilt body styled by Italian designer , with sleek coupe and variants mounted on a strengthened tubular derived from the . Powered by a 7.0-liter 428 cubic-inch producing 345 horsepower, the 428 achieved a top speed of 145 mph and accelerated from in approximately 5.4 seconds. Only 81 examples were built between 1965 and 1973, with 49 coupes and 29 convertibles, reflecting the model's exclusivity amid rising costs and the . The AC 3000 ME, produced from 1973 to 1985, represented a bold mid-engined departure aimed at revitalizing the brand with a modern sports coupe. Developed initially as the Bohanna-Stables Diablo prototype by former Lola engineers Peter Bohanna and Robin Stables, it evolved into a fiberglass-bodied two-seater with independent suspension on all wheels and a transverse-mounted drivetrain. The car was equipped with a 3.0-liter Ford Essex V6 engine delivering 138 horsepower, paired with a five-speed AC-designed transaxle, enabling a top speed of around 120 mph. A total of approximately 106 units were produced overall, with around 76 completed at the Thames Ditton factory and 30 assembled under license by a Scottish firm, highlighting the challenges of low-volume production during AC's decline. Following the Hurlock era's end in 1985, AC Cars entered a phase of revival through replica production under new ownership. In 1986, entrepreneur Brian Angliss acquired the Cobra tooling via his Autokraft company, establishing operations at and licensing the AC name to produce continuation models. Early efforts focused on Cobra replicas, such as the Mk IV, equipped with a 5.0-liter producing up to 225 horsepower, maintaining the original's lightweight aluminum body and for authentic handling. Approximately 480 Mk IV units were built between 1986 and 1996, emphasizing hand-crafted quality over . A notable limited-run model was the 1991 AC Aceca-Bristol, a closed revival with a 4.0-liter , of which only 14 were produced to evoke the 1950s Aceca's grand touring heritage. In the 1990s, under American owner Brian Lupinsky, AC shifted toward custom and conceptual projects amid ongoing financial instability, producing few new models. The AC Brooklands, unveiled in 1993 as a luxury saloon concept, proposed a refined four-door variant with a V8 powertrain but never entered full production due to market uncertainties. Instead, efforts centered on bespoke builds and replicas, including variants of the Brooklands Ace roadster with Ford V8 engines, totaling around 46 units before the decade's end. This period marked a transitional focus on niche craftsmanship rather than volume manufacturing.

Modern and Replica Models (2000s–present)

In the , AC Cars, under ownership shifts including a South African-based group, focused on reviving the legacy through high-performance replicas and updated designs, emphasizing lightweight materials and powerful while maintaining the iconic silhouette. The AC Mark IV Carbon Roadster Series (CRS), introduced in 1999 and produced into the early , featured a pioneering full carbon-fiber body for reduced weight and improved aerodynamics, paired with a 5.0-liter producing approximately 320 horsepower in supercharged configurations. Built primarily in , the CRS model represented a bridge between classic styling and modern engineering, with around 37 units completed to meet standards for road use. Parallel to AC's efforts, , a South African manufacturer licensed by AC and Shelby, exported over 300 complete MkII and MkIII Cobra replicas during the and , capturing the essence of the 1960s 427SC variant. These models utilized a Superformance-developed with a 427-cubic-inch (7.0-liter) Roush delivering 505 horsepower, combined with period-correct styling and contemporary safety features like reinforced roll structures. The replicas gained popularity for their authenticity and track-ready performance, often configured with Tremec five-speed manual transmissions for precise shifting. Entering the 2020s, AC Cars shifted toward all-new platforms under UK-based revival, launching the GT Roadster in 2023 as a larger, more refined homage to the original , with production commencing in 2025 at the company's facility, and customer deliveries beginning later that year. This model employs an innovative extruded aluminum and carbon-fiber body, measuring longer and wider than the 1960s template for enhanced stability and comfort, while offering a 5.0-liter Coyote in naturally aspirated form (454 horsepower) or supercharged variant (up to 654 horsepower). An electric option provides 340 horsepower equivalent, achieving 0-60 mph in 3.7 seconds, aligning with AC's strategy. Limited to 250 units annually, the GT Roadster prioritizes road legality with modern amenities like and electronic aids. The AC Ace revival, announced in 2024, pays tribute to the 1953 original with a lightweight carbon-fiber body over a tubular steel chassis, weighing just 1,100 kg for agile handling. Powered by a 2.3-liter turbocharged EcoBoost four-cylinder engine producing over 300 horsepower or an electric variant, it mates to a six-speed and emphasizes craftsmanship for limited production. Deliveries are slated for summer 2025, positioning it as an accessible entry into AC's classics lineup. Complementing the roadster, the AC GT Coupe, unveiled in 2024 as AC's first production closed-roof model, draws inspiration from the A98 with a Kammtail rear for aerodynamic efficiency. It shares the GT Roadster's aluminum and 5.0-liter V8 , offering options in development for up to 500 horsepower combined output, with production limited to 250 units per year. The US-focused AC GT SuperSport , revealed in 2025, amplifies this with a supercharged 5.0-liter V8 tuned to 454 horsepower, targeting American regulations and deliveries starting in 2027 at a base price of $550,000 for 25 units. AC's electric initiatives gained momentum with the 2021 AC EV concept, a zero-emissions reinterpretation of the using dual electric motors for 340 horsepower and all-wheel drive, sprinting to 60 mph in 3.7 seconds while retaining the classic proportions. Full production of this and related models, including the Series 1 electric limited to 58 units, is planned by 2025; as of 2025, production status remains in development following pre-production testing since 2018 to balance heritage aesthetics with sustainable performance.

Non-Automotive Products

Commercial Carriers and Trucks (1900s–1920s)

AC Cars' entry into vehicle manufacturing began with commercial carriers, establishing a foundation in practical for needs. The company's first product, the Auto-Carrier introduced in 1904, was a three-wheeled delivery van featuring two front wheels and a single rear wheel, with the driver positioned behind a substantial cargo box using tiller steering. This design maximized load capacity while maintaining maneuverability in city environments, and the vehicle proved popular among department stores, railway companies, and local businesses for short-haul transport. The Auto-Carrier was powered by a 648 cc air-cooled rated at 5 RAC horsepower, positioned under the driver's seat in a forward-facing to optimize space behind the cab. Drive was transmitted via to the rear through a and two-speed epicyclic gearbox housed in the , enabling reliable performance for payloads around 5 cwt. Solid tires were standard, reflecting the era's commercial durability requirements, though pneumatic options emerged in the late . Production reached over 200 units by 1907, contributing to the company's as Autocars and Accessories Ltd in 1907 and later Auto Carriers Ltd in 1911, with total output for the Auto-Carrier and its variants estimated at approximately 1,500 through 1914. In 1907, AC adapted the Auto-Carrier platform into the Sociable, a passenger-oriented variant that replaced the cargo box with a two-seater bench forward of the rear wheel, optionally fitted with a dickey seat for four occupants and a wooden-framed hood for weather protection. Priced at £180, this conversion targeted both personal and light commercial use, achieving speeds up to 47 mph and gaining acclaim as one of the era's most popular cyclecars for its simplicity and accessibility to novice drivers. The Sociable remained in production until around 1915, bridging AC's commercial roots toward passenger vehicles like the 1913 . Following , AC shifted emphasis to passenger cars but maintained limited output in the , including trucks adapted from car chassis for . These trucks featured the forward engine layout for enhanced load areas and transitioned to pneumatic tires by the mid-, though overall volumes were modest compared to pre-war carriers. Wartime adaptations, such as conversions of Auto-Carriers, further honed AC's expertise in versatile commercial engineering during this period.

Trains and Railbuses (1920s–1930s)

During the 1920s, under the ownership of S.F. Edge until the company's financial collapse in 1929, and into the 1930s under new ownership, AC Cars focused primarily on automobile and commercial vehicle production, with no verifiable records of significant involvement in trains or railbuses. The company's diversification efforts during this period centered on road-going carriers and trucks, adapting Weller engines for automotive applications rather than rail adaptations. Any experiments in rail vehicles appear to have been absent or extremely limited, as contemporary historical accounts emphasize their automotive innovations; AC's rail production began later, with electric trains for Southend Pier in 1949. By the late 1930s, AC shifted toward wartime production, further precluding rail-related ventures.

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