2014 Cadillac CTS to boast twin-turbo V6

2014 Cadillac CTS to boast twin-turbo V6

The redesigned 2014 Cadillac CTS sedan will have a 420-hp twin-turbo 3.6-liter V6 as an option, General Motors said Monday. The redesigned CTS will be unveiled later this month at the New York auto show. The intercooled, direct-injection, all-aluminum engine will be mated to a new eight-speed automatic transmission that has the capability to skip one or more gears during shifting for performance or better fuel economy. The transmission also includes paddle shifters on the steering wheel for manual control.

OneShift Editorial Team
OneShift Editorial Team
19 Mar 2013

The twin-turbo V6 makes its peak horsepower at 5,750 rpm and reaches peak torque of 582 Nm at 3,500 rpm. Official fuel-economy ratings from the Environmental Protection Agency haven't been set, but Cadillac expects the new CTS engine will be rated at 17 mpg city and 25 mpg highway, running on required premium fuel. It will be available only in a rear-wheel-drive layout. The twin-turbo will be the highest output V6 engine in GM history, said Richard Bartlett, the engine's assistant chief engineer. The V6 twin-turbo will also be an option on the 2014 Cadillac XTS sedan this fall. The XTS is equipped with front-drive or all-wheel drive.

Cadillac says the twin-turbo V6 will propel the redesigned, larger CTS sedan from 0-60 mph in 4.6 seconds. With the engine, the new CTS will have a top speed of 270 Km/h. The twin-turbo V6 is the most powerful of three engines announced for the redesigned CTS. The engine lineup also includes a naturally aspirated 3.6-liter V6, rated at 321 hp at 6,800 rpm and 275 lb-ft of torque at 4,800 rpm; and a turbocharged 2.0-liter four-cylinder, rated at 272 hp at 5,500 rpm and 295 lb-ft at 1,700 rpm.

The turbocharged four and naturally aspirated V6 will be offered in rear-drive or all-wheel-drive configurations. The rear-drive naturally aspirated V6 will also be mated to the new eight-speed transmission, while the all-wheel-drive variant and the turbocharged four-cylinder will be mated to a six-speed automatic transmission.

All three engines for the new CTS use aluminum blocks and cylinder heads, direct fuel injection, variable valve timing, dual overhead camshafts and four valves per cylinder. The turbo four can run on regular unleaded gasoline but premium is recommended, while the naturally aspirated V6 is set up for regular unleaded or E85.


Writer: Dale Jewett, Angie Fisher
Source: Autoweek


Related Article: Cadillac ELR to debut at Detroit

Credits: Oneshift News Team

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