We knew what to expect, but now the specifications for the 2009 Cadillac CTS-V are official. Its 6.2-liter supercharged V8 produces 556 horsepower at 6,100rpm and 551 pound-feet of torque at 3,800rpm. Cadillac claims the CTS-V sedan will go from 0-to-60mph in just 3.9 seconds and through the quarter mile in 12 seconds flat.
Top speed [...]