Radical RXC Spyder chassis number 6 is a black car with a 3.5L twin turbo Eco boost engine (serial number RPG-047). It has the optional antiskid and traction control, power steering, and Intrax triple adjustable dampers. This car was a factory demonstrator car and originally had a V8 engine. It was upgraded by the Radical factory to 2019 specifications, including the addition of a V6 Turbo engine, before being sold to a U.S. Customer. After a the U.S. owner used the car in a couple of track days the Quaife transmission was upgraded to a new Hewland transmission. In March 2021 the car was located at Wisko Racing in Virginia. In September 2022 the was in Miami and had 133 total hours and 11602 km on the chassis and had 95 hours and 7401 Km since the car was converted to V6 specification. The engine had 28 hours since overhaul.