The Acura ARX-05 is a

sports prototype A sports prototype, sometimes referred to as simply a prototype, is a type of race car that is used in the highest-level categories of sports car racing. These purpose-built racing cars, unlike street-legal and production-based racing cars, are n ...

racing car built to

Daytona Prototype International A Daytona Prototype International (DPi) was a type of sports prototype racing car developed specifically for the International Motor Sports Association's WeatherTech SportsCar Championship, as their top class of car, acting as a direct replaceme ...

regulations. It was developed in partnership by

Honda Performance Development Honda Performance Development, Inc. (HPD) is a subsidiary of American Honda Motor Co. which was established in 1993 and is based in Santa Clarita, California. It is the technical operations center for Honda's American motorsports programs and is ...

and

Oreca ORECA (Organisation Exploitation Compétition Automobiles) is a French racing team and race car constructor, founded in 1973 and run by Hugues de Chaunac, former team manager of F1 team AGS. Oreca has had success in many areas of motorsport. ...

, and is based on the

Oreca 07 The Oreca 07 is a Le Mans Prototype built by French manufacturer Oreca to meet the 2017 FIA and ACO LMP2 regulations. It made its official race debut in the opening round of the 2017 IMSA WeatherTech SportsCar Championship, the 24 Hours of Dayto ...

chassis and powered by the Acura AR35TT twin-turbocharged 3.5L V6 engine. The car made its racing debut at the

2018 24 Hours of Daytona The 2018 24 Hours of Daytona (formally the 56th Rolex 24 at Daytona) was an International Motor Sports Association (IMSA)-sanctioned 24-hour automobile endurance race for Daytona Prototype and Grand Touring sports cars held at the Daytona In ...

with

Team Penske Team Penske (formerly Penske Racing) is an American professional auto racing organization, competing in the IndyCar Series, NTT IndyCar Series, NASCAR Cup Series, and the FIA World Endurance Championship. Debuting at the 1966 24 Hours of Daytona ...

. In

2019 File:2019 collage v1.png, From top left, clockwise: Hong Kong protests turn to widespread riots and civil disobedience; House of Representatives votes to adopt articles of impeachment against Donald Trump; CRISPR gene editing first used to experim ...

, the car won the drivers', teams' and manufacturers' titles in the top DPi class of the

IMSA The International Motor Sports Association (IMSA) is a North American sports car racing sanctioning body based in Daytona Beach, Florida under the jurisdiction of the ACCUS arm of the FIA. It was started by John Bishop, a former executive direc ...

WeatherTech SportsCar Championship The IMSA SportsCar Championship, currently known as the IMSA WeatherTech SportsCar Championship under sponsorship, is a sports car racing series based in the United States and Canada and organized by the International Motor Sports Association (IMS ...

, becoming the first non-

General Motors The General Motors Company (GM) is an American Multinational corporation, multinational Automotive industry, automotive manufacturing company headquartered in Detroit, Michigan, United States. It is the largest automaker in the United States and ...

car to do so. Acura and Team Penske successfully defended their titles in

2020 2020 was heavily defined by the COVID-19 pandemic, which led to global Social impact of the COVID-19 pandemic, social and Economic impact of the COVID-19 pandemic, economic disruption, mass cancellations and postponements of events, COVID- ...

, winning all of the DPi class championships. It was announced in July 2020 that the partnership between Team Penske and Honda Performance Development would not be renewed for the 2021 season. For the 2021 season,

Wayne Taylor Racing Wayne Taylor Racing is a sports car racing team that competes in the IMSA SportsCar Championship Daytona Prototype International class. The team campaigns the No. 10 Konica Minolta sponsored Acura ARX-05 full-time for Filipe Albuquerque and ...

and

Meyer Shank Racing Meyer Shank Racing (formerly Michael Shank Racing) is an American auto racing organization that competes in the IndyCar Series and IMSA SportsCar Championship. History Atlantic Championship Michael Shank as an owner of Michael Shank Racing, he ...

campaigned one of the ARX-05s previously run by Penske. Both teams continued using the model for the 2022 season.

Complete IMSA SportsCar Championship results

Results in bold indicate pole position. Results in ''italics'' indicate fastest lap.

References

External links

Sports prototypes Acura vehicles {{motorsport-stub