Alpine A424
The Alpine A424 is a Le Mans Daytonah (LMDh) hybrid prototype racing car developed by the French automaker Alpine in partnership with Oreca, built to compete in the FIA World Endurance Championship's (WEC) premier Hypercar class.[1][2] Featuring a lightweight carbon fibre and honeycomb monocoque chassis weighing 1,030 kg, it combines a 3.4-litre 90-degree V6 single-turbocharged petrol engine delivering 675 horsepower with a Bosch hybrid system providing 30-50 kW of additional power, all integrated into a seven-speed Xtrac sequential transmission.[1][2] The car's aerodynamic design, inspired by Alpine's Alpenglow concept, incorporates futuristic triangular motifs, carbon brakes, and Michelin tyres for enhanced agility and efficiency on endurance circuits.[2][1] Introduced for the 2024 WEC season, the A424 marks Alpine's return to the top tier of prototype racing, echoing the marque's historic 1978 Le Mans 24 Hours victory with the A442B.[1][2] In its debut year, the #36 entry, driven by Mick Schumacher, Nicolas Lapierre, and Matthieu Vaxivière, secured a third-place finish at the 6 Hours of Fuji, marking Alpine's first Hypercar podium.[3] Building on this, the 2025 season brought further success with the updated #36 lineup of Schumacher, Frédéric Makowiecki, and Jules Gounon, including a breakthrough victory at the 6 Hours of Fuji and three podiums overall, finishing sixth in the Manufacturers' Championship with 86 points, though the car faced top-speed limitations from dual-band BoP adjustments.[4][5] The A424's development emphasized reliability and precision, with Magneti Marelli electronics and ongoing refinements from Alpine's Design Centre in collaboration with Oreca.[2] Looking ahead, Alpine plans an "EVO Joker" aerodynamic update for the 2026 season to boost downforce and counteract BoP constraints, with wind tunnel testing completed and track validation anticipated.[4] The team has also confirmed Portuguese driver António Félix da Costa for the #36 car in 2026, signaling lineup evolution amid the programme's ambition to challenge for overall wins, particularly at the 24 Hours of Le Mans.[4][2] With dimensions of 5,088 mm in length, 1,992 mm in width, and 1,055 mm in height, the A424 blends French engineering heritage with cutting-edge hybrid technology, positioning Alpine as a key contender in global endurance racing.[1]Development
Announcement and partnerships
On 5 October 2021, Alpine announced its commitment to entering the FIA World Endurance Championship's (WEC) Hypercar category starting in the 2024 season, with plans for a two-car factory program.[6] This initiative, led by the French manufacturer under the Renault Group umbrella, marked a strategic expansion of Alpine's motorsport activities beyond Formula 1, drawing on its endurance racing legacy.[6] The decision to pursue Le Mans Daytona h (LMDh) regulations was driven primarily by economic considerations, enabling cost efficiency through shared components and standardized hybridization, in contrast to the more bespoke and expensive Le Mans Hypercar (LMH) pathway.[7] Alpine CEO Laurent Rossi emphasized that LMH development would demand "several hundred million euros," rendering it unfeasible, while LMDh facilitated investment amortization and accessibility to the top-tier category without prohibitive financial barriers.[7] This choice also incorporated a common hybrid system, reducing the need for custom engineering and aligning with Alpine's goal of sustainable high-performance racing.[7] Key partnerships were established early to support the project: Oreca was selected to construct the chassis, leveraging its expertise in prototype racing structures.[8] Mecachrome was brought on board to supply the engine, collaborating closely on integration and validation processes.[8] These alliances, combined with operational support from long-term partner Signatech, accelerated the program's timeline.[6] The Renault Group played a pivotal role in funding and providing technical backing, with engine development centered at its Viry-Châtillon facility to harness Formula 1-derived knowledge.[6] This involvement not only ensured resource allocation but also advanced Alpine's ambitions for greater in-house capabilities, fostering long-term independence in hybrid powertrain innovation within the group's ecosystem.[6]Prototype unveiling and testing
The prototype of the Alpine A424, designated as the A424_β concept, was unveiled on June 9, 2023, during the centenary celebrations of the 24 Hours of Le Mans.[9] This show car featured aggressive styling with a low-slung nose, wide fenders, and a sleek profile emphasizing aerodynamic efficiency, complemented by a signature blue livery that highlighted the brand's French heritage.[10] The reveal marked Alpine's commitment to returning to the Le Mans Hypercar class, showcasing the vehicle's potential as a Le Mans Daytona hybrid (LMDh) prototype developed in partnership with Oreca and Mecachrome.[11] Following the unveiling, Alpine initiated an extensive testing program in late 2023 to validate the prototype's performance and reliability ahead of the 2024 FIA World Endurance Championship season. The initial shakedown occurred at Circuit Paul Ricard on August 2, 2023, with subsequent full sessions from August 21 to 24, covering over 1,000 kilometers to assess basic systems like the gearbox, brakes, and suspension.[12] Further development tests took place at Motorland Aragón in October and Jerez in late October, focusing on endurance and systems integration, while a December session at Portimão provided additional data in cooler winter conditions to evaluate reliability across varying temperatures.[13] These efforts accumulated thousands of kilometers, ensuring the prototype's readiness for racing demands. Testing revealed opportunities for iterative improvements, including aerodynamic balance adjustments and hybrid system deployment optimizations during short runs at Aragón, which enhanced overall stability and energy management.[14] A pivotal 30-hour endurance test at Motorland Aragón in November 2023, spanning over 5,000 kilometers, confirmed the effectiveness of these tweaks while integrating the Bosch hybrid components more seamlessly with the Mecachrome V6 engine.[15] These refinements culminated in the evolution to the production-spec A424 by early 2024, ready for its competitive debut.[16] Among the challenges identified, initial turbo reliability issues emerged during the November endurance test, alongside minor oil and water leaks and an electrical fault that briefly halted proceedings after the first eight hours.[17] A puncture also occurred early on, prompting targeted fixes to bolster component durability.[18] Despite these hurdles, the tests provided critical insights, allowing Alpine to address weak points and achieve a robust setup for the season.Design and specifications
Chassis and aerodynamics
The Alpine A424 features a carbon fibre monocoque chassis with a honeycomb shell, derived from the Oreca 07 platform and developed in collaboration with Oreca to deliver lightweight strength and rigidity suited to the demands of endurance racing.[2][1] This construction ensures structural integrity under prolonged high-stress conditions while adhering to LMDh regulations, with the vehicle's minimum weight set at 1,030 kg, including hybrid components, as dictated by FIA Balance of Performance parameters.[1][19] The aerodynamic package, crafted in-house at the Alpine Design Centre, prioritizes low-drag bodywork to optimize top speed and efficiency on diverse circuits, incorporating clean lines and motifs inspired by Alpine's production vehicles for both performance and visual identity.[1][20] Key elements include a rear wing and ground-effect underbody that enhance high-speed stability by generating downforce while minimizing turbulence, contributing to the car's balanced handling profile.[1] The A424 runs on Michelin Pilot Sport slick tyres—29/71-18 at the front and 34/71-18 at the rear—engineered for superior grip in dry conditions and adaptability to wet weather prevalent in WEC events.[21][22] From its prototype beta version revealed in 2023 to the production race car debuting in 2024, the A424's aerodynamics underwent iterative refinements.[20][23] These structural and airflow optimizations integrate with the powertrain to ensure compliance with FIA regulations, enabling competitive parity across the Hypercar field.[24]Powertrain and performance
The Alpine A424 features a 3.4-litre 90° V6 internal combustion engine developed by Mecachrome, a heavily modified version of their Formula 2 power unit with a single turbocharger and direct injection, producing up to 503 kW (675 hp) in its base configuration.[25][1][2] This mid-engine, longitudinally mounted unit emphasizes fuel efficiency through optimized combustion and low-end torque delivery, tailored for extended endurance racing stints under FIA World Endurance Championship (WEC) regulations.[26][27] Complementing the internal combustion engine is a standardized LMDh hybrid system supplied by Bosch, incorporating a 50 kW motor-generator unit (MGU) mounted on the front axle to enable all-wheel drive capability and kinetic energy recovery during braking, in compliance with FIA hybrid deployment rules.[27][1] The hybrid setup integrates with a Williams Advanced Engineering battery and Xtrac seven-speed sequential transmission, allowing strategic energy deployment for overtaking and efficiency gains.[25] Under the Balance of Performance (BoP) framework enforced by the FIA WEC, the combined system output is limited to 500 kW to ensure parity across Hypercar competitors, with the A424's powertrain incorporating advanced fuel mapping and thermal mapping to maximize stint lengths while minimizing consumption—critical for races like the 24 Hours of Le Mans.[1][2][26] For the 2025 season, Alpine introduced a "Joker" upgrade package focused on enhanced thermal management in the powertrain, including refined engine cooling strategies and in-house reliability improvements to the Mecachrome V6, building on mid-2024 adjustments that addressed overheating risks during prolonged high-load conditions.[28][29] These updates integrate with the chassis's lightweight carbon construction to maintain balanced handling without compromising propulsion efficiency.[28]Team and drivers
Factory team setup
The Alpine Endurance Team was established in 2023 as the factory-backed operation within the Renault Group to oversee Alpine's return to the Le Mans Hypercar class, preparing for the A424's debut in the 2024 FIA World Endurance Championship. Evolving from the prior Signatech partnership in LMP2, the team transitioned to a full factory effort with dedicated Hypercar development during the 2023 offseason.[30][31] The team runs a two-car program with chassis numbered #35 and #36, supported by around 70 personnel, including mechanics, engineers drawn from Renault Group expertise, and operations staff. Headquartered in Bourges, France—home to team principal Philippe Sinault's Signatech organization—the setup emphasizes integrated motorsport operations under Renault Group oversight, led by VP Alpine Motorsports Bruno Famin and Sporting Director Nicolas Lapierre.[32][33][34] Logistics for the global WEC calendar involve coordinated transport of the A424 prototypes and support equipment across continents, with specialized pit crew preparation for hybrid energy deployment and refueling procedures unique to Hypercar racing. For the 2025 season, the team expanded its capabilities through a partnership with Dewesoft for advanced data acquisition systems, enhancing real-time analytics and ongoing A424 development.[35]Driver lineups
The Alpine A424 competed in the FIA World Endurance Championship (WEC) with a roster of six full-time drivers split across two cars in 2024, selected for their blend of endurance racing expertise, emerging talent, and high-profile backgrounds to balance performance and team visibility. The #35 entry featured Paul-Loup Chatin, Charles Milesi, and Ferdinand Habsburg, a trio combining French endurance specialists with a young Austrian prospect known for his adaptability in prototype racing. Meanwhile, the #36 car was driven by Nicolas Lapierre, Mick Schumacher, and Matthieu Vaxivière, incorporating veteran Le Mans experience from Lapierre, single-seater precision from former Formula 1 driver Schumacher, and consistent hypercar pace from Vaxivière.[36][37] Jules Gounon served as the reserve driver for the season, stepping in for select races such as the 6 Hours of Spa-Francorchamps to substitute for Habsburg, leveraging his GT racing pedigree for additional testing and simulator support.[38][39] For the 2025 season, Alpine maintained continuity in the #35 lineup with Chatin, Milesi, and Habsburg, praising their promising development and synergy demonstrated in the prior year to build on foundational experience. The #36 roster underwent changes following Lapierre's retirement and Vaxivière's transition to a reserve and test driver role, promoting reserve Gounon to a full-time role alongside Schumacher and newcomer Frédéric Makowiecki, whose extensive endurance victories—including multiple GT World Challenge titles—added seasoned reliability and strategic depth. This adjustment emphasized a mix of retained youth and proven specialists, with team principal Philippe Sinault highlighting stability and analytical mindset as key selection factors to enhance overall competitiveness. Matthieu Vaxivière continued as a reserve driver for 2025.[40][39][41][42][43] Schumacher's inclusion across both seasons exemplified Alpine's strategy of integrating Formula 1 crossovers for their technical acumen and marketing appeal, allowing the team to bridge single-seater speed with endurance demands while attracting broader attention to the program. Reserve and simulator roles continued to draw from French talent pools, with drivers like Vaxivière contributing to off-track development through extensive testing sessions to refine driver-car integration.[44][45] In October 2025, Alpine announced that António Félix da Costa would join the #36 car for the 2026 season on a multi-year deal, replacing Makowiecki in the lineup alongside Schumacher and Gounon.[46]| Car # | 2024 Drivers | 2025 Drivers |
|---|---|---|
| 35 | Paul-Loup Chatin (FRA) Charles Milesi (FRA) Ferdinand Habsburg (AUT) | Paul-Loup Chatin (FRA) Charles Milesi (FRA) Ferdinand Habsburg (AUT) |
| 36 | Nicolas Lapierre (FRA) Mick Schumacher (GER) Matthieu Vaxivière (FRA) | Mick Schumacher (GER) Jules Gounon (FRA) Frédéric Makowiecki (FRA) |
Competition history
2024 season
The Alpine A424 made its competitive debut in the 2024 FIA World Endurance Championship at the Qatar 1812 km, where the #35 entry driven by Ferdinand Habsburg, Paul-Loup Chatin, and Charles Milesi finished eighth overall, marking the best result for a new LMDh prototype in its inaugural Hypercar race.[47] The #36 car, piloted by Nicolas Lapierre, Mick Schumacher, and Matthieu Vaxiviere, retired early due to a mechanical issue after completing just 11 laps. This opening round highlighted the team's potential while exposing initial reliability hurdles in the highly competitive field. Throughout the season, the A424 showed progressive improvements in pace and strategy, with notable highlights including a fifth-place finish for the #35 at the Lone Star Le Mans at Circuit of the Americas, the car's best result to date and the first time both entries scored points.[29] At the 6 Hours of Fuji, the #36 achieved the team's first podium with a third-place finish, driven by Lapierre, Schumacher, and Vaxiviere, amid challenging wet conditions that tested setup and driver skill.[48] A significant low point came at the 24 Hours of Le Mans, where both cars retired due to turbo failures, with the #36 stopping early in the race and the #35 after several hours, underscoring ongoing reliability concerns despite competitive qualifying positions.[49] These setbacks contrasted with later gains in operational efficiency. Alpine concluded its debut Hypercar campaign fourth in the World Endurance Manufacturers' Championship, reflecting a learning curve with steady enhancements in race strategy and outright speed across the eight-round season.[50]2025 season
The 2025 FIA World Endurance Championship marked the second season for the Alpine A424 in the Hypercar class, building on lessons from the previous year's reliability challenges by demonstrating marked improvements in consistency and strategic execution.[51] The team entered the campaign with refined setups, focusing on enhanced durability and Balance of Performance (BoP) optimization, which allowed both entries to complete the majority of races without major mechanical failures.[2] Early highlights included podium finishes that underscored the A424's growing competitiveness. At the 6 Hours of Imola in April, the #36 car secured third place through an aggressive fuel strategy, marking Alpine's first rostrum of the season and highlighting the prototype's improved reliability under pressure.[52] This momentum carried into the 6 Hours of Spa-Francorchamps in May, where the same #36 entry again finished third, just under a second behind the runner-up, further validating the A424's BoP adjustments and aerodynamic efficiency in varied conditions.[53] The season's breakthrough came at the 6 Hours of Fuji in September, where the #35 A424 achieved Alpine's maiden Hypercar victory. Driven by Paul-Loup Chatin, Ferdinand Habsburg, and Charles Milesi, the car capitalized on a bold two-tyre strategy during the final pit stop—changing only the left-side tyres while rivals opted for a full set of four—to leap from second to first, securing the win by 7.682 seconds over the second-placed Peugeot 9X8 amid chaotic race conditions.[54][55] Mid-season challenges tested the team's resilience, particularly at the 24 Hours of Le Mans in June, where both A424s achieved a double finish and a top-ten result for the #36 car, a significant step up from prior setbacks and affirming progress in endurance reliability.[56] Despite occasional strategic hurdles in other rounds, the prototypes demonstrated robust performance, finishing all eight races with both cars intact in most events.[57] As of November 2025, following the season finale, Alpine holds sixth in the Hypercar Constructors' Championship with 86 points, positioning the team for a strong push into 2026 with previewed aerodynamic updates to the A424, including a revised package aimed at addressing top-speed deficits under the two-stage BoP system without altering the car's overall silhouette.[58][20]Racing results
FIA World Endurance Championship results
The Alpine A424 participated in the Hypercar class of the FIA World Endurance Championship (WEC) during the 2024 and 2025 seasons, with the factory Alpine Endurance Team entering two cars numbered #35 and #36. In 2024, the team accumulated 70 points across eight rounds, securing fourth place in the manufacturers' championship despite challenges including double retirements at Le Mans.[59] No pole positions were achieved by either Alpine entry in 2024, though the #36 car recorded a fastest lap at the 6 Hours of Fuji. Balance of Performance (BoP) adjustments varied per event, such as reduced power output for the A424 at Spa-Francorchamps to align with competitors like Toyota and Porsche.[48][60] The following table summarizes the 2024 results, differentiated by car and including overall positions, points scored (based on Hypercar class finishing order), and notable outcomes.| Round | Circuit | #35 Position/Points (Drivers) | #36 Position/Points (Drivers) | Notes |
|---|---|---|---|---|
| 1 | Qatar 1812 km | 7th / 10 (Habsburg, Chatin, Milesi) | 11th / 2 (Lapierre, Schumacher, Vaxivière) | Solid debut for #35; BoP limited top speed. 10-hour race points scale.[61] |
| 2 | 6 Hours of Imola | 15th / 0 (Chatin, Gounon, Milesi) | 17th / 0 (Lapierre, Schumacher, Vaxivière) | Both cars hampered by traffic and strategy. |
| 3 | 6 Hours of Spa-Francorchamps | 9th / 3 (Habsburg, Chatin, Milesi) | 12th / 0 (Lapierre, Schumacher, Vaxivière) | Wet conditions favored strategy. |
| 4 | 24 Hours of Le Mans | DNF / 0 (Habsburg, Chatin, Milesi) | DNF / 0 (Lapierre, Schumacher, Vaxivière) | #35 retired due to engine failure; #36 crashed in early hours. Double points race. |
| 5 | 6 Hours of São Paulo | 12th / 0 (Habsburg, Chatin, Milesi) | 10th / 2 (Lapierre, Schumacher, Vaxivière) | Consistent points haul amid tight racing. |
| 6 | Lone Star Le Mans (COTA) | 5th / 10 (Habsburg, Chatin, Milesi) | 9th / 3 (Lapierre, Schumacher, Vaxivière) | #35 podium contention until late caution.[62] |
| 7 | 6 Hours of Fuji | 7th / 6 (Habsburg, Chatin, Milesi) | 3rd / 15 (Lapierre, Schumacher, Vaxivière) | #36's first podium; fastest lap by Schumacher.[60] |
| 8 | 8 Hours of Bahrain | 4th / 19 (Habsburg, Chatin, Milesi) | 9th / 5 (Lapierre, Schumacher, Vaxivière) | Strong finish boosted season total. 8-hour race points scale.[63] |
| Total | 48 points | 22 points | Manufacturer: 4th (70 points). Points from both cars per 2024 regulations.[59] |
| Round | Circuit | #35 Position/Points (Drivers) | #36 Position/Points (Drivers) | Notes |
|---|---|---|---|---|
| 1 | Qatar 1812 km | 14th / 1 (Milesi, Habsburg, Chatin) | 13th / 2 (Gounon, Makowiecki, Schumacher) | Conservative start under revised BoP. 10-hour race points scale. |
| 2 | 6 Hours of Imola | 13th / 0 (Milesi, Habsburg, Chatin) | 3rd / 15 (Gounon, Makowiecki, Schumacher) | #36 podium via aggressive strategy.[52] |
| 3 | 6 Hours of Spa-Francorchamps | 8th / 4 (Milesi, Habsburg, Chatin) | 3rd / 15 (Gounon, Makowiecki, Schumacher) | #36 podium; both cars in points amid variable weather. |
| 4 | 24 Hours of Le Mans | 9th / 8 (Milesi, Habsburg, Chatin) | 10th / 6 (Gounon, Makowiecki, Schumacher) | Steady runs; double points race. |
| 5 | 6 Hours of São Paulo | DNF / 0 (Milesi, Habsburg, Chatin) | 9th / 3 (Gounon, Makowiecki, Schumacher) | Reliability focus paid off for #36. |
| 6 | Lone Star Le Mans (COTA) | 11th / 1 (Milesi, Habsburg, Chatin) | 15th / 0 (Gounon, Makowiecki, Schumacher) | BoP boost aided #35's points. |
| 7 | 6 Hours of Fuji | 1st / 25 (Milesi, Habsburg, Chatin) | 14th / 0 (Gounon, Makowiecki, Schumacher) | Maiden win for #35; two-tire strategy decisive.[55] |
| 8 | 8 Hours of Bahrain | 11th / 2 (Milesi, Habsburg, Chatin) | 12th / 1 (Gounon, Makowiecki, Schumacher) | Minimal points in season finale. 8-hour race points scale.[65] |
| Total | 41 points | 32 points | Manufacturer: 5th (86 points). Three podiums overall.[64][51] |