The GTO concept has a 6.3-liter V-8 engine with 500 horsepower at 5200 rpm and 500 lb.-ft. of torque at 5000 rpm. It also has a six-speed manual transmission, modified brakes, bigger wheels and tires and new exhaust. The bright orange exterior features a new hood, fender, quarter panel, spoiler, front and rear fascia and rockers.