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Cadillac twin-turbo V6 and 8-speed transmission debut in 2014 CTS sedan

Green Car Congress

The Cadillac Twin-Turbo has 15% greater power density than BMW 535i’s turbocharged 3.0L six, which is rated at 300 horsepower (223 kW), for a ratio of 100 hp/liter (74 kW/liter), and even the BMW 550i’s TwinPower 4.4L mm sodium-filled exhaust valves enable the engine to process tremendous airflow. Large, 38.3-mm

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Cadillac launches new V-6 family; 3.0L Twin Turbo w/ cylinder deactivation and stop/start for CT6

Green Car Congress

Twin Turbo’s estimated 400 horsepower and 133 hp per liter is 27% greater than the BMW 740 Li’s 3.0L turbocharged I-6 (315 hp and 105 hp/L) and 29% more than the Audi A7’s 3.0L supercharged V-6 (310 hp and 103 hp/L). Twin Turbo is up to 5 dB quieter than the Audi 3.0L TFSI engine, while the 3.6L is up to 4 dB quieter than the Infiniti 3.7L

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