Radical PR6 chassis number 28 is a team grey car with a 1500cc engine. It has the optional Intrax single adjustable dampers, MBE ECU, and 48L aluminum fuel tank. This car was the last PR6 to have a K7 engine, MBE 992 ECU, and pre -2009 chassis. This was also the last car to use the PRO6 designation in the chassis number, with all following cars using PR6. In July 2023 the car was located in Florida.