The heaviest car on Performance Shootout 2021 is hustled round Killarney International Raceway by race ace Deon Joubert. With 522 kW courtesy of a supercharged V8 engine, let's see how the American titan puts its power down through the corners.

*Grab a copy of the January 2021 issue of CAR magazine to get the full Performance Shootout (sponsored by Bridgestone, OUTsurance and Sabat) experience…