“The new Cadillac Twin-Turbo brings a new dimension of technologically advanced
performance to the all-new 2014 Cadillac CTS sedan,” said David Leone,
executive chief engineer.
Rated at a SAE-certified 420 horsepower and 430 pound-feet of torque, it is the most powerful V-6 ever from GM. It also has 15 percent greater power density than BMW 535i’s turbocharged 3.0L Six, which is rated at 300 horsepower, for a ratio of 100 horsepower per liter – and even the BMW 550i’s TwinPower 4.4L V8, rated at 400 horsepower or 91 horsepower per liter.
Power density is a measure of efficiency
for an engine’s size.
A pair of smaller turbochargers and an efficient charge air cooler help provide more immediate power delivery. Additionally, approximately 90 percent of the 3.6L Twin-Turbo’s peak torque is available from 2,500 rpm to 5,500 rpm, giving the engine a broad torque curve that customers will feel as strong, willing power in almost all driving conditions, such as accelerating or overtaking traffic on the highway.
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