The 2011 Corvette ZR1 also returned once more for the 2011 model year lineup. Powered by a unique, supercharged LS9 6.2L engine, the ZR1 continued to remain the fastest, most powerful production car ever offered by Chevrolet at that time in the automotive manufacturer’s history. You can see its full power on the video below as it goes toe-to-toe with a 2011 Porsche 911 Turbo.