The ADESS-03 is a
Le Mans Prototype
A Le Mans Prototype (LMP) is the type of sports prototype race car used in the 24 Hours of Le Mans, FIA World Endurance Championship, IMSA SportsCar Championship, European Le Mans Series and Asian Le Mans Series. Le Mans Prototypes were cr ...
LMP3 built to
ACO
ACO, AcO, or Aco may refer to:
Organizations
* Accountable care organization, healthcare organization characterized by a specific payment and care delivery model
* Aco Records, a British 1920s record label
* ACO, C.A., a Venezuelan holding compan ...
Le Mans Prototype LMP3 regulations. It was designed and built by
ADESS AG
Advanced Design and Engineering Systems Solutions or ADESS is a racecar constructor based in Munich, Germany.
History
Sportscar racing
Upon completing his engineering study, Stéphane Chosse started at Équipe Ligier in 1996. After Ligier, Ch ...
. The car had its competition debut at the 2015 4 Hours of Fuji. The car also serves as a base for the GreenGT LMPH2G and H24
Hydrogen
Hydrogen is the chemical element with the symbol H and atomic number 1. Hydrogen is the lightest element. At standard conditions hydrogen is a gas of diatomic molecules having the formula . It is colorless, odorless, tasteless, non-toxic ...
powered Le Mans Prototype.
Development
In 2013, the ACO announced a new category of Le Mans Prototypes, known as LMP3, which would replace the previous
Le Mans Prototype Challenge
The Le Mans Prototype Challenge (shortened to LMP Challenge or LMPC) was a spec sports prototype formula created by the Automobile Club de l'Ouest (ACO), organisers of the 24 Hours of Le Mans, and sports car constructor Oreca. The formula is inte ...
(LMPC) class in 2015. Initially, the car was meant to be made by LAS Motorsport, a joint venture between
Sebastien Loeb Racing, ADESS AG, as well as SORA Racing. Under the initial agreement, Sebastien Loeb Racing would be in charge of development and assembly, while ADESS AG would be in charge of the design and homologation of the car, and SORA Racing handling production. However, when the car was launched on 9 June 2015, it was known instead as the ADESS-03, with no branding on the car from Sebastien Loeb Racing, SORA Racing, or LAS Motorsport. The car was had its first shakedown test performed at the
Hockenheimring
The Hockenheimring Baden-Württemberg () is a motor racing circuit situated in the Rhine valley near the town of Hockenheim in Baden-Württemberg, Germany, located on the Bertha Benz Memorial Route. Amongst other motor racing events, it has ho ...
, on 16 September 2015 with customer AAI Motorsports. The car has been known to have reliability issues stemming from its driveshaft angles, as well as issues with its gull-wing style doors.
GreenGT LMP2HG

The ADESS-03 Served as a base for the GreenGT LMP2HG, which was developed by GreenGT which in 2013 attempted to field a Garage 56 effort at Le Mans with a hydrogen-powered prototype, then known as the GreenGT H2, but did not ultimately participate in the race. The car is powered by a 650bhp hydrogen fuel-cell power plant, with power output capable of being increased by up to 335bhp through an energy-retrieval system.
During the weekend of the 2018 4 Hours of Spa Francorchamps, the car was demonstrated by former Le Mans winner
Yannick Dalmas
Yannick Dalmas (born 28 July 1961) is a former racing driver from France. He won the 24 Hours of Le Mans four times (in 1992, 1994, 1995 and 1999), each with different teams. Prior to this, he participated in 49 Formula One Grands Prix, debuting ...
, while GreenGT also did demonstrations of refuelling in the pitlane. The car's hydrogen is contained in sealed tanks at 700-bar pressure. It was later announced that the car would participate in the pre-race proceedings at the
2019 24 Hours of Le Mans
The 87th 24 Hours of Le Mans (French: ''87e 24 Heures du Mans'') was an 24 hour automobile endurance race for Le Mans Prototype and Le Mans Grand Touring Endurance cars held from 15 to 16 June 2019 at the Circuit de la Sarthe, close to L ...
, with the car set to run a demonstration lap of the full
Circuit de la Sarthe
The Circuit des 24 Heures du Mans, also known as Circuit de la Sarthe (after the 1906 French Grand Prix triangle circuit) located in Le Mans, Sarthe, France, is a semi-permanent motorsport race course, chiefly known as the venue for the 24 ...
.
GreenGT H24

The ADESS-03 Evo also serves as the base for the GreenGT H24 car.
Competition history
2015-2016 Asian Le Mans Series
The car had its debut in the 2015 4 Hours of Fuji, the inaugural round of the
2015-2016 Asian Le Mans Series, where the 2 cars campaigned by Team AAI retired. For the 2nd round of the series at
Sepang
Pekan Sepang is a small border town and also a mukim in Sepang District, Selangor, Malaysia. The Sepang International Circuit in the western part of the town, where the Malaysian F1 Grand Prix was and Malaysian MotoGP Grand Prix is held. Ma ...
, the #89 car finished 2nd in the LMP3 class, before the #88 ended the season for team AAI with a pole at the 4th Round at Sepang, but failed to finish the race.
2016-2017 Asian Le Mans Series
For the
2016-2017 Asian Le Mans Series, Team AAI scaled down its involvement in the LMP3 class, with the team only participating in the last round of the series at Sepang, with a single car entry. The #93 car retired from the race.
2018 Michelin Encore
Atlantic Racing Team ran one car in the end of season Michelin Encore. The single car finished 15th of the 20 cars on the grid.
References
{{LMP3 championships
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Le Mans Prototypes