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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 V-6, GM said. This new, parallel-flow design maximizes heat extraction in the area of the upper deck, intake and exhaust valve bridges in the heads and integrated exhaust manifold with a minimal amount of coolant.

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

Green Car Congress

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 l/100 km) and 25 mpg highway (9.4

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