The ADESS AD25 is a

Le Mans Prototype A Le Mans Prototype (LMP) is a type of sports prototype race car used in various races and championships, including the 24 Hours of Le Mans, FIA World Endurance Championship, IMSA SportsCar Championship, European Le Mans Series, and Asian Le M ...

LMP3

race car Race, RACE or The Race may refer to: * Race (biology), an informal taxonomic classification within a species, generally within a sub-species * Race (human categorization), classification of humans into groups based on physical traits, and/or s ...

designed, developed and built by Portuguese manufacturer ADESS to ACO 2025 3rd Generation Le Mans Prototype LMP3 regulations. The car is successor to the ADESS-03 Evo and can be built from its predecessor. It is set to be eligible in ACO's

Le Mans Cup The Le Mans Cup, previously the GT3 Le Mans Cup and currently known as the Michelin Le Mans Cup under sponsorship, is an international sports car racing endurance series inspired by the 24 Hours of Le Mans race and organized by the Automobile Club ...

European Le Mans Series The European Le Mans Series (abbreviated as ELMS) is a European sports car racing endurance series inspired by the 24 Hours of Le Mans race and organized by the Automobile Club de l'Ouest (ACO). The European Le Mans Series is similar to the fo ...

championships in 2025 with the

Asian Le Mans Series The Asian Le Mans Series (ALMS) is an Asian sports car racing endurance series created by the Automobile Club de l'Ouest (ACO) and based in Asia. It is the successor to the defunct Japan Le Mans Challenge which folded in 2007 after its second s ...

in the following year.

Developmental history

On July 7, 2024, the Automobile Club de I'Ouest formally announced that 2025 would be the first year of the third generation Le Mans Prototype 3 (LMP3) cars using the previously announced,

Oreca ORECA (Organisation Exploitation Compétition Automobiles) is a French auto racing, racing team and race car constructor, founded in 1973 and run by Hugues de Chaunac, former team manager of F1 team Automobiles Gonfaronnaises Sportives, AGS. Or ...

built, Toyota V35A V6

twin-turbo Twin-turbo is a type of turbo layout in which two turbochargers are used to compress the intake fuel/air mixture (or intake air, in the case of a direct-injection engine). The most common layout features two identical or mirrored turbochargers in ...

charged engines. All four previous constructors were retained for the new regulations. Upgrades to the car include a completely new cooling system, engine cover and new rear bodywork kit as a result of the new engine. New dampers from KW, were also added to improve performance. Testing started in July 2024, at

Estoril Estoril () is a town in the civil parish of Cascais e Estoril of the Portuguese Municipality of Cascais, on the Portuguese Riviera. It is a popular tourist destination, with hotels, beaches, and the Casino Estoril. It has been home to numero ...

with TCR driver , and continued at

Barcelona Barcelona ( ; ; ) is a city on the northeastern coast of Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second-most populous municipality of Spain. With a population of 1.6 million within c ...

and

Portimão Portimão () is a city and a municipality in the district of Faro (district), Faro, in the Algarve region of southern Portugal. The population in 2022 was 63,079 in an area of 182.06 km2. It was formerly known as Vila Nova de Portimão. In ...

Wayne Boyd Wayne Boyd (born 25 October 1990) is a British racing driver from County Antrim, Northern Ireland. Boyd won the British Formula Ford Championship in 2008 with Jamun Racing. He won 13 out of 25 championship races. Sat on the pole for 15 ra ...

also tested the car in September. Straight-line testing was conducted at

Beja Airport Beja Airport is a Portuguese airport that opened doors to civilian flights on 15 April 2011. Location Beja Airport, located northwest of Beja, is away from Lisbon, from Faro and less than from Spain. Beja is a city in the Beja Municipali ...

with more track testing at Portimão and Estoril. Stéphane Chosse, the CEO of ADESS, reported that aero stability had improved throughout over of testing before homologation. In January 2025, ADESS inked a deal with Nielsen Racing and signed Colin Noble as its factory development and race driver.

References

{{LMP3 championships Le Mans Prototypes Adess racing cars Cars introduced in 2025