BMW M6 Gran Coupe set for Detroit debut
Slick four-door packs turbocharged V8 power.
Set to rival the Mercedes-Benz CLS63 AMG, Porsche Panamera Turbo and upcoming Audi RS7, the latest M-car sets out to broaden the scope of the existing M6 lineup, providing added levels of practicality and improved comfort through the adoption of two extra doors and greater rear seat accommodation than its coupe and convertible siblings, alongside which it will be produced at BMW's Dingolfing factory in Germany from early 2013.
The car arrives in North America in early summer of next year with a price tag around $110,000.
The M6 Gran Coupe is distinguishable from lesser versions of the 6-series Gran Coupe revealed earlier this year by exterior styling cues developed under the guise of BMW M division's longtime head of design, Uwe Weidehase.
Included is a deeper front bumper with sizeble cooling ducts for the engine bay and front brakes, altered kidney grille with twinned horizontal slates and M6 identification, adaptive headlamps, widened front wheel arches, a chromed indicator lamp surround within the front wings, deeper sills underneath the four doors, aerodynamically optimized mirror housings and a carbon fiber-reinforced plastic roof panel.
At the rear, the machine receives more M6 identification on the trunk lid and a deep, uniquely profiled bumper housing a carbon fiber-reinforced plastic diffuser element shaped to draw hot air away from the rear differential and a quartet of chromed tailpipes. Wheels are 20 inches in diameter—9.5 inches wide up front and 10.5 inches at the rear. They come shod with standard 265/35 and 295/30 profile tires.
The M6 Gran Coupe is based around a high strength steel platform that boasts the same wheelbase as the M5. As is customary for all cars wearing the revered M badge, it receives tracks that have been widened significantly compared with the standard 6-series Gran Coupe.
The powertrain is completed with a seven-speed dual clutch gearbox—a combination first seen in the M5 and more recently brought to the M6 coupe and cabriolet, Torque swells to 500 lb-ft in the M6 Gran Coupe.
BMW claims its new super sedan is marginally faster than its keenest four-door performance car rivals on the run from 0-60 mph, with an official time of 4.1 seconds. Top speed is nominally limited to 155 mph. However, buyers can increase it to 189 mph through an optional driver's package, which also brings high-performance tires.
Further straight-line performance claims include a 50-75 mph fourth gear time of 3.6 seconds. With standard fuel-saving functions such as stop/start and brake energy recuperation, the M6 Gran Coupe's average fuel consumption is put at 23.8 mpg on the European test cycle.
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