Cadillac twin-turbo V6 and 8-speed transmission debut in 2014 CTS sedan
Green Car Congress
MARCH 18, 2013
GM estimated fuel economy for the CTS with Twin-Turbo is 17 mpg city (13.8 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 Strengthened connecting rods.
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