Mercedes-Benz SLS AMG

Although we've seen a version of this engine in previous AMG cars, this latest hand-crafted 6.3-liter V-8 in the SLS AMG is refined even further. Horsepower is up at 571, while torque is 480 pound-feet. That kind of power gets the light SLS AMG to 62 mph in just 3.8 seconds, while the top speed is given as 197 mph.