Cadillac the concept car maker has revealed a new concept car 2011 Cadillac CTS-V Coupe that will be launched at the Detroit Auto Show on next month. The car is completely a new concept and variant of new 2011 Cadillac CTS coupe which has the Voltec-powered Converj as well as the 3 Series-fighting ATS.

The 2011 Cadillac CTS-V Coupe car is powered by a 6.2-liter supercharged V8 engine, with 556 horsepower and 551 lb-feet of torque, a choice of automatic and manual six-speed transmissions, a sport suspension with Magnetic Ride Control and standard 19-inch alloy wheels. The car adds the normal V-spec performance accessories to the drop-dead stunning CTS Coupe.

This latest concept advances the brands Art and Science philosophy that has included a series of acclaimed concept cars in recent years such as the Cadillac Sixteen CTS Coupe Concept and Converj.

BMW the German auto manufacturer announced first appearance of its 6-cylinder turbocharged version of the BMW 535i Gran Turismo at the 2010 Detroit Auto Show.

The BMW 535i Gran Turismo car is powered by BMW’s 3.0L 6-cylinder turbocharged engine creating 300-hp at 5,800 rpm with a maximum torque of 300 lb-ft existing from 1,200 to 5,000 rpm. The engine will permit the 535i Gran Turismo to go from 0-60 mph in 6.2 seconds.

“This is the same level of performance as the current 3.0-liter twin-turbo six-cylinder but with the modernism of double-scroll equipment and the incorporation of VALVETRONIC, this new engine will be even more fuel efficient,” said in a report by BMW spokesperson.