The 2013 BMW 6-Series Gran Coupe has made its long-awaited debut at the 2012 Geneva Motor Show. BMW has just given their new 2013 BMW 6-Series Gran Coupe its much-anticipated debut at the 2012 Geneva Motor Show.The big 4-door coupe (a BMW first) sports a new front fascia, some thick hips and a big rear-end.As the newest addition to the German automaker\'s 6-series lineup, the Gran Coupe will be powered by BMW\'s N55 3.0-liter turbocharged inline 6-clyinder rated at 315hp and 330 lb-ft of torque. Paired to an eight-speed automatic transmission, the 650i is 4.4-inches longer than its two-door predecessor.The interior features seriously good-looking two-tone leather surfacing with plenty of space in the rear for your passengers.The 2013 BMW 6-Series Gran Coupe will start pricing at (in 640i guise) $76,895 (tack on an additional $895 for Destination and Handling charges). An xDrive and 8-cylinder 650i model will both be making their way out later this year. Photos courtesy of Steven J. Ewing/autoblog.