The 469-hp CLS55 AMG and the 500-hp M6 illustrate perfectly the differing philosophies of the Mercedes-Benz AMG team and BMW's M Division. But however different they are, both rock.

Ballistic power and lavish trimmings combine to create a breed of four-seat supersedans—Audi RS7 vs. BMW M6 Gran Coupe, and Mercedes-Benz CLS63 AMG S-model.

The BMW M6 F12 and the Mercedes E63 AMG W212 go head-to-head in an acceleration showdown! Experience onboard speed, power, and sound as both cars unleash their full potential!

Watch the ultimate Autobahn showdown between the 612HP Mercedes E63 AMG and the 600HP BMW M6! 🚀💨 Experience blistering acceleration, high-speed runs, and a thrilling 0-300 km/h battle from a ...

EDITOR WES RAYNAL: This 2014 BMW M6 Gran Coupe starts at $115,225. A Mercedes-Benz CLS63 AMG , which is arguable among the closest competitors, starts at $99,500. First points go to Mercedes.

William Randolph Hearst's backyard plays host to a European summit of luxurious sports convertibles—2013 BMW M6 vs. 2013 Jaguar XKR-S, 2013 Mercedes-Benz SL63 AMG, and 2013 Porsche 911 Carrera S.

BMW says the M6 can go from zero to 60 mph in just 4.3 seconds on its way to an electronically limited top speed of 155 mph. ... but in the Mercedes-Benz CLS63 AMG and Porsche Panamera, ...

There are 3 reviews for the 2016 BMW M6 Gran Coupe, ... My CLS AMG 63 (s) is a better drive for me. Rating breakdown (out of 5): Comfort 4.0 Interior 4.0 Performance 3.0 ...

A stock BMW M6 of the E63 generation is a force to be reckon with even in 2013, with its epic-sounding S85 normally-aspirated V10 developing 507 hp and 520 Nm (384 lb ft) of torque.

The Mercedes-AMG GT R and the BMW M6 might be quite different, but when the drivers of such machines decide to engage in a drag race, nothing else matters.

What happens when you take a BMW M6 with 700 hp, a Mercedes-Benz C63 AMG with 800 hp, and a Corvette ZR1 to the dragstrip? 2,400-horspower of head-to-head fun.

The Mercedes-AMG E63 S is an absolute monster of a sedan. With its 4.0-liter twin-turbo V8 rated at 612 horsepower and 626 lb-ft of torque, the four-door supercar can sprint to 60 mph in just 3.3 ...