# ADESS-03

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German sports car prototype

Racing car model

ADESS-03 The No. 11 ADESS-03 in 2023. Category Le Mans Prototype (LMP3) Constructor ADESS AG Designer Stéphane Chosse Successor ADESS AD25 Technical specifications Chassis Carbon fibre composite monocoque Suspension (front) Independent double wishbones with adjustable dampers Suspension (rear) Independent double wishbones with adjustable dampers Length 4643mm Width 1890mm Height 1050mm Wheelbase 2968mm Engine Nissan VK50DE 5.0L V8 Gibson GL458 4.5 L V8 naturally aspirated Transmission X-Trac 6-speed sequential manual Weight 930kg Fuel Various Brakes Brembo 6 Piston Ø 355 mm x 32 mm front and rear steel discs Tyres Michelin Competition history Notable entrants Atlantic Racing Team ANSA Motorsports AAI Motorsports DKR Engineering CMR / Sport Garage Debut 2015 2 Hours of Fuji Last event 2021 Road to Le Mans Races Wins Poles F/Laps 17 0 1 0 Teams' Championships 0 Drivers' Championships 0

The **ADESS-03** is a [Le Mans Prototype](/source/Le_Mans_Prototype) LMP3 built to [ACO](/source/Automobile_Club_de_l'Ouest) Le Mans Prototype LMP3 regulations. It was designed and built by [ADESS AG](/source/ADESS_AG). The car had its competition debut at the [2015 2 Hours of Fuji](/source/2015_2_Hours_of_Fuji). The car also serves as a base for the GreenGT LMPH2G and H24 [Hydrogen](/source/Hydrogen) 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](/source/Le_Mans_Prototype_Challenge) (LMPC) class in 2015.[1][2] Initially, the car was meant to be made by LAS Motorsport, a joint venture between [Sebastien Loeb Racing](/source/S%C3%A9bastien_Loeb_Racing), ADESS AG, as well as SORA Racing.[3] 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.[4] 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.[5] The car had its first shakedown test performed at the [Hockenheimring](/source/Hockenheimring), on 16 September 2015 with customer AAI Motorsports.[6] The car has been known to have reliability issues stemming from its driveshaft angles, as well as issues with its gull-wing style doors.[7]

### GreenGT LMPH2G

The GreenGT LMPH2G at the [2019 24 Hours of Le Mans](/source/2019_24_Hours_of_Le_Mans)

The ADESS-03 Served as a base for the GreenGT LMPH2G, 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.[8]

During the weekend of the 2018 4 Hours of Spa Francorchamps, the car was demonstrated by former Le Mans winner [Yannick Dalmas](/source/Yannick_Dalmas), while GreenGT also did demonstrations of refuelling in the pitlane. The car's hydrogen is contained in sealed tanks at 700-bar pressure.[9] It was later announced that the car would participate in the pre-race proceedings at the [2019 24 Hours of Le Mans](/source/2019_24_Hours_of_Le_Mans), with the car set to run a demonstration lap of the full [Circuit de la Sarthe](/source/Circuit_de_la_Sarthe).[10]

### ADESS-03 Evo

In late 2019, the ADESS-03 Evo, an updated version of the original 03, was released for use in the second generation of LMP3 competition.[11]

### GreenGT H24

The GreenGT H24 competing in the [2022 Road to Le Mans](/source/2022_Road_to_Le_Mans).

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 2 Hours of Fuji](/source/2015_2_Hours_of_Fuji), the inaugural round of the [2015-2016 Asian Le Mans Series](/source/2015%E2%80%9316_Asian_Le_Mans_Series), where the 2 cars campaigned by Team AAI retired. For the 2nd round of the series at [Sepang](/source/2015_3_Hours_of_Sepang), 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](/source/2016%E2%80%9317_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](/source/2017_4_Hours_of_Sepang), with a single car entry. The #93 car retired from the race.[12]

### 2018 IMSA Michelin Encore

Atlantic Racing Team ran one car in the end of season [IMSA Michelin Encore](/source/2018_IMSA_Michelin_Encore).[13] The single car finished 15th of the 20 cars on the grid.[14]

### 2021 Le Mans Cup

The car returned to competition with R-Breizh Competition in the opening round of the [2021 Le Mans Cup](/source/2021_Le_Mans_Cup) at [Barcelona](/source/Circuit_de_Barcelona-Catalunya). The car finished 26th overall.[15] It would race again that season with Revere Lifestyle at the [2021 Road to Le Mans](/source/2021_Road_to_Le_Mans) however, they would retire from both races.[16][17]

## References

1. **[^](#cite_ref-1)** Sam (19 July 2014). ["LMP3 officially launched"](http://www.racecar-engineering.com/news/lmp3-officially-launched/). *Racecar Engineering*. Retrieved 10 December 2018.

1. **[^](#cite_ref-2)** Tremayne, Sam. ["ACO creates new LMP3 class for European and Asian Le Mans Series"](https://www.autosport.com/wec/news/111613/aco-creates-new-lmp3-class). *Autosport.com*. Retrieved 10 December 2018.

1. **[^](#cite_ref-3)** Watkins, Gary. ["Sebastien Loeb Racing to produce LMP3 prototype for ELMS"](https://www.autosport.com/other/news/117052/loeb-to-produce-lmp3-prototype). *Autosport.com*. Retrieved 10 December 2018.

1. **[^](#cite_ref-4)** ["LAS Motorsport Announce Second LMP3 Option – dailysportscar.com"](http://www.dailysportscar.com/2014/12/04/las-motorsport-announce-second-lmp3-option.html). *www.dailysportscar.com*. Retrieved 10 December 2018.

1. **[^](#cite_ref-5)** DiZinno, Tony. ["ADESS AG Reveals ADESS-03 for LMP3 – Sportscar365"](https://sportscar365.com/lemans/elms/adess-ag-reveals-adess-03-for-lmp3/). *sportscar365.com*. Retrieved 10 December 2018.

1. **[^](#cite_ref-6)** ["ADESS AG - ADESS-03 completes shakedown at Hockenheim"](https://www.adess-ag.com/news/60-adess-03-completes-shakedown-at-hockenheim.html). *www.adess-ag.com*. Retrieved 10 December 2018.

1. **[^](#cite_ref-7)** ["What's New In 2016? Part 3, LMP3 & LMPC – dailysportscar.com"](http://www.dailysportscar.com/2015/12/29/whats-new-in-2016-part-3-lmp3-lmpc.html). *www.dailysportscar.com*. Retrieved 10 December 2018.

1. **[^](#cite_ref-8)** ["GreenGT aims to race hydrogen prototype in 2019"](https://www.motorsport.com/wec/news/greengt-race-hydrogen-prototype-2019/4337821/). *www.motorsport.com*. Retrieved 9 February 2020.

1. **[^](#cite_ref-9)** ["INSIGHT: WEC's hydrogen future"](https://racer.com/2018/10/09/insight-wecs-hydrogen-future/). *RACER*. 9 October 2018. Retrieved 14 April 2019.

1. **[^](#cite_ref-10)** ["MissionH24: The LMPH2G hydrogen prototype to open 24 Hours of Le Mans race proceedings"](https://www.lemans.org/en/news/missionh24-the-lmph2g-hydrogen-prototype-to-open-24-hours-of-le-mans-race-proceedings/51892). *lemans.org*. Retrieved 9 February 2020.

1. **[^](#cite_ref-11)** Kilbey, Stephen (21 November 2019). ["2020 LMP3 As It Stands: Part 4, Adess' 03 Evo"](https://www.dailysportscar.com/2019/11/21/2020-lmp3-as-it-stands-part-4-adess-03-evo.html). *Dailysportscar*. Retrieved 3 February 2025.

1. **[^](#cite_ref-12)** ["2016/2017 Team Standings | Asian Le Mans Series"](https://web.archive.org/web/20181210204539/http://www.asianlemansseries.com/races/20162017-seasoncalendar/2016-team-standings/). Archived from [the original](http://www.asianlemansseries.com/races/20162017-seasoncalendar/2016-team-standings/) on 10 December 2018. Retrieved 10 December 2018.

1. **[^](#cite_ref-13)** ["Michelin Encore Entry List"](https://multimedia.netstorage.imsa.com/2018Website/2018_Encore_PreEvent_EntryList.pdf) (PDF). *multimedia.netstorage.imsa.com*. Retrieved 10 December 2018.

1. **[^](#cite_ref-14)** ["2018 Michelin Encore results"](http://www.dailysportscar.com/wp-content/uploads/2018/11/Michelin-SportsCar-Encore-2018-Sebring-Result.pdf) (PDF). *www.dailysportscar.com*. Retrieved 10 December 2018.

1. **[^](#cite_ref-15)** ["Michelin Le Mans Cup Barcelona Round Race Final Classification"](http://lemanscup.alkamelsystems.com/Results/05_2021/01_BARCELONA-CATALUNYA/353_Michelin%20Le%20Mans%20Cup/202104171630_Race/Hour%202/03_Classification_Race.PDF) (PDF). *alkamelsystems*. 17 April 2021. Retrieved 2 December 2024.

1. **[^](#cite_ref-16)** ["Road to Le Mans"](http://lemanscup.alkamelsystems.com/?season=05_2021&evvent=04_LE+MANS). *lemanscup.alkamelsystems.com*. Retrieved 2 December 2024.

1. **[^](#cite_ref-17)** ["Adess 03 - All Results - Racing Sports Cars"](https://www.racingsportscars.com/type/results/Adess/03.html). *www.racingsportscars.com*. Retrieved 2 December 2024.

v t e LMP3 Championships (2015–present) Asia Asian Le Mans Series 2015–16 2016–17 2017–18 2018–19 2019–20 2021 2022 2023 2023–24 2024–25 2025–26 Asian Le Mans Cup 2026–27 FRD LMP3 Series 2017 Europe European Le Mans Series 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 Le Mans Cup 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 Road to Le Mans 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 V de V Endurance Series 2015 2016 2017 2018 British LMP3 Cup 2016 2017 2018 24H Proto Series 2017 2018 Prototype Challenge 2017 2018 2019 2020 2021 2022 2023 2024 Ultimate Cup Series 2019 2020 2021 2022 2023 2024 2025 2026 Prototype Cup Germany 2022 2023 2024 2025 Prototype Winter Series 2024 2025 2026 Prototype Cup Europe 2026 Americas IMSA Prototype Challenge 2017 2018 2019 2020 2021 2022 IMSA VP Racing SportsCar Challenge 2023 2024 2025 2026 LMP3 Engines Nissan VK50VE VK56DE Toyota V35A-FTS Generation I Cars and Constructors ADESS 03 Ave-Riley AR-2 Ginetta-Juno P3-15 Ligier JS P3 Norma M30 Generation II Cars and Constructors ADESS 03 Evo Duqueine D08 Ginetta G61-LT-P3 Ligier JS P320 Generation III Cars and Constructors ADESS AD25 Duqueine D09 Ginetta G61-LT-P3 Evo Ligier JS P325 Automobile Club de l'Ouest Le Mans Prototype List of Le Mans Prototypes

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Adapted from the Wikipedia article [ADESS-03](https://en.wikipedia.org/wiki/ADESS-03) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/ADESS-03?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.