[2018 IMSA CHAMPIONSHIP EDITION CADILLAC CTS-V SEDAN Powered by 6.2L (376 CI) SUPERCHARGED V8 DIRECT INJECTION WITH VARIABLE VALVE TIMING AND Active Fuel Management ENGINE DELIVERING 640 hp @ 6400 rpm, 630 lb-ft of torque @ 3600 rpm). As performance enhanced, the LT4 engine now delivers over 1,000 HP and 910 ft lbs of torque to the crank.]