A new month and a new leak for the BMW Group (original link here). With just a week to go before its world debut, the stunning BMW 8 Series Gran Coupe shows up on social media. The images leaked give us a detailed side and rear view of the 8er Gran Coupe and reaffirms our initial statement – This is one of the best looking BMWs in the last decade. The design builds upon the new 8 Series Coupe, as one would expect, but it adds the extra touches of a four-door coupe – a sloping roofline and an elegant, elongated rear.

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The added space will mean much improved space inside, especially for back seat passengers. The Gran Coupe will be the most expensive member of BMW’s 8 Series lineup and will be the largest model in the range.

Not officially confirmed, but we can already assume that engines are shared across the 8 Series range. That means two Gran Coupe models will be offered: the 840d and M850i. The diesel will be the cheaper of the two and powered by a 3.0-liter six-cylinder engine producing 315 hp and 502 pound-feet (680 Newton-meters) of torque.

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The M Performance version will use a 4.4 liter V8 powerplant with 523 horsepower and 553 pound-feet (750 Newton-meters).. Both will have an eight-speed automatic gearbox and four-wheel drive to get the power to the road.

Next year, BMW will also introduce a M8 Gran Coupe, aimed at taking on the Porsche Panamera Turbo and Mercedes-AMG GT 4-door.

For more info on the stunning BMW 8 Series Gran Coupe, stay tuned for the official launch in the next few days.