Acura ARX-06

The Acura ARX-06 is a sports prototype racing car designed by Honda Performance Development and built by Oreca. It is designed to the Le Mans Daytona h regulations, and competes in the GTP class in the IMSA SportsCar Championship since 2023.[5] The car has a bespoke 2.4-liter twin-turbocharged V6 engine designated as the AR24e.[6][7] The ARX-06 debuted alongside the BMW M Hybrid V8, Cadillac V-LMDh and Porsche 963 at the 2023 season opener of the IMSA SportsCar Championship at the Daytona International Speedway.[8][9]

Acura ARX-06
The No. 60 ARX-06 at the 2023 24 Hours of Daytona
Category GTP
Designer(s)David Salters (Technical Director, Honda Performance Development)[1]
Mark Crawford (Large Project Leader)[2]
Guy Melville-Brown (Exterior Project Lead)[3]
Bill Yex (Special Projects Lead)[3]
Jonathan Seaman (Lead Aerodynamicist)[3]
PredecessorAcura ARX-05
Technical specifications
ChassisLMP2-based carbon fibre monocoque
Suspension (front)Double wishbones, pushrods with power steering
Suspension (rear)Double wishbones, pushrods
Length5,100 mm (200.8 in)
Width2,000 mm (78.7 in)
Height1,060 mm (41.7 in)
Wheelbase3,148 mm (123.9 in)
EngineAcura AR24e 2.4 L (146.5 cu in) 90° V6 twin-turbocharged, 24valve, DOHC mid-engine, longitudinally-mounted
Electric motorRear-mounted 50 kW (68 PS; 67 hp) spec MGU supplied by Bosch
TransmissionXtrac P1359 7-speed sequential manual[4]
Power500 kW (680 PS; 671 hp)
Weight1,030 kg
FuelVP Racing Fuels
LubricantsMotul
BrakesAP Racing carbon with AP Racing Monobloc 6-piston calipers[4]
TyresMichelin slicks with Rotiform one-piece forged alloys[4]
Competition history
CompetitionIMSA SportsCar Championship
Notable entrants
Notable drivers
Debut2023 24 Hours of Daytona
First win2023 24 Hours of Daytona
Last win2023 Petit Le Mans
Last event2023 Petit Le Mans
RacesWinsPodiumsPolesF/Laps
93842

Background

In January 2021, Acura formally announced they would participate in IMSA's new GTP class in 2023 using an LMDh-compliant racing design.[10] On December 6, 2021, Acura announced it would work with Oreca as their chassis supplier, making Acura the first manufacturer in the LMDh ruleset to select Oreca as their partner.[11] It was also confirmed on the same day that Meyer Shank Racing and Wayne Taylor Racing would campaign the ARX-06 in the 2023 IMSA SportsCar Championship season.[12]

The ARX-06 completed its first shakedown at Circuit Paul Ricard in July 2022.[13] It was followed by the car's first full test at Circuit de Nevers Magny-Cours on 16 & 17 July 2022.[14] The car was revealed on August 17, 2022. It was also announced that the car would use a hybrid powertrain, consisting of a 90° twin-turbocharged V6 internal combustion engine and standardized hybrid drivetrain components provided by Williams Advanced Engineering, Bosch and Xtrac, for maximum possible combined output of 671 hp (500 KW).[15] No 24 hour tests were conducted due to supply-chain issues.[16]

Racing results

Complete IMSA SportsCar Championship results

(key) Races in bold indicates pole position. Races in italics indicates fastest lap.

Complete IMSA SportsCar Championship results
Year Entrant Class Drivers No. Rds. Rounds Pts. Pos.
1 2 3 4 5 6 7 8 9
2023 United States Meyer Shank Racing w/ Curb-Agajanian Performance Group GTP United Kingdom Tom Blomqvist
United States Colin Braun
Brazil Hélio Castroneves
France Simon Pagenaud		 60 All
All
1–2, 9
1		 DAY
1		 SEB
6		 LBH
6		 MON
6		 WGL
3		 MOS
1		 ELK
2		 IMS
5		 PET
1		 2333 6th
United States Wayne Taylor Racing w/ Andretti Autosport United States Ricky Taylor
Portugal Filipe Albuquerque
Switzerland Louis Delétraz
New Zealand Brendon Hartley		 10 All
All
1–2, 5, 9
1		 DAY
2		 SEB
4		 LBH
7		 MON
4		 WGL
6		 MOS
2		 ELK
3		 IMS
6		 PET
9		 2457 2nd

References
  1. Acura (August 17, 2022). "Acura Unveils All-New Electrified ARX-06 Race Car". Retrieved September 29, 2023.
  2. "Acura Unveils All-New Electrified ARX-06 Race Car". PR Newswire. August 17, 2022. Retrieved January 26, 2023.
  3. Honda Racing/HPD (January 25, 2023). "ARX-06 The Origin Story". Retrieved January 26, 2023 – via YouTube.
  4. "NO. 10 KONICA MINOLTA ACURA ARX-06 CAR SPECS". Wayne Taylor Racing. Retrieved July 13, 2023.
  5. Perkins, Chris (July 19, 2022). "Here's Our Best Look Yet at the Acura ARX-06 LMDh Car". Road & Track. Online. Retrieved July 20, 2022.
  6. "Inside the Rise of Acura's Radical ARX-06". Road & Track. March 17, 2023. Retrieved September 11, 2023.
  7. "Honda's new IMSA powerplant has IndyCar roots". RACER. August 29, 2022. Retrieved September 11, 2023.
  8. Thurkal, Rachit (July 20, 2022). "Acura completes first full test with 2023 ARX-06 LMDh car". motorsport.com. Retrieved July 22, 2022.
  9. Vijayenthiran, Viknesh (July 21, 2022). "2023 Acura ARX-06 LMDh race car completes first test". MotorAuthority. Retrieved July 22, 2022.
  10. Pryson, Mike (January 26, 2021). "Acura Added To LMDh Class List For 2023 IMSA WeatherTech SportsCar Championship". autoweek.com. Retrieved October 22, 2023.
  11. "Acura Confirm ORECA To Develop & Build LMDh-spec ARX 06". dailysportscar.com. December 6, 2021. Retrieved October 22, 2023.
  12. "Acura Confirms 2023 LMDh Plans & Partners". .speedsport.com. December 6, 2021. Retrieved October 22, 2023.
  13. Dagys, John (July 15, 2022). "Acura ARX-06 Completes Rollout in Paul Ricard". sportscar365.com. Retrieved October 22, 2023.
  14. Lloyd, Daniel (July 19, 2022). "Acura Completes Two-Day LMDh Test at Magny-Cours". sportscar365.com. Retrieved October 22, 2023.
  15. S. James, Richard (August 17, 2022). "Acura fully reveals ARX-06 LMDh IMSA GTP car". racer.com. Retrieved October 22, 2023.
  16. Dagys, John (January 16, 2023). "Acura: Strength of Teams 'Helps A Lot' Ahead of GTP Debut". sportscar365.com. Retrieved October 22, 2023.
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