The HSV GTSR W1 is the ultimate high-performance version of the Holden Commodore, built by Holden Special Vehicles as the final flagship of Australian muscle car production. It is powered by a 6.2-liter supercharged LS9 V8—the same engine used in the Chevrolet Corvette ZR1 (C6)—producing 474 kW (635 hp) and 815 Nm (601 lb-ft) of torque. Power is sent to the rear wheels through a close-ratio 6-speed manual transmission, allowing the sedan to accelerate from 0–100 km/h (0–62 mph) in about 4.2 seco