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Mercedes AMG GT gets new 503 bhp Twin-Turbo 4.0 litre V8 (video)

The new Mercedes AMG GT (pictured) gets the new 503 bhp Twin-Turbo 4.0 litre V8 We’ve speculated that the new Mercedes AMG GT – and, for that matter, futures ’63′ AMGs – will get a new twin-turbo V8 to provide the power as Mercedes look to move away from the naturally aspirated 6.2 litre V8 in cars like the SLS. And this is it. A new 4.0 litre twin-turbo V8 – the M178 engine – has been developed to replace the 6.2 litre V8 and, in initial tune, develops 503 bhp at 6250 rpm and 479lb/ft of torque from just 1750 rpm.

Nissan shakes off the rust at 24 Hours of Le Mans test

Nissan took another step toward competing in this year's 24 Hours of Le Mans on Monday. The company saw 15 cars running with Nissan power in the test, including the DeltaWing. The day also saw the return of Martin Brundle to the Circuit de la Sarthe.

Microsoft increases stake in auto industry

Having reshaped a big piece of the world's economy around its Windows software, Microsoft Corp. now wants to do the same thing in the car business. What the Seattle giant sees there says as much about the future of cars as it does about itself.