The BMW 6 Series Gran Coupe is a luxury 4-door sedan that was first introduced in 2012. It is a larger version of BMW's 5 Series, featuring a more powerful engine, more interior space and more luxury features. The 6 Series Gran Coupe is available with a range of gasoline and diesel engines, along with an 8-speed automatic transmission. It also has features such as a panoramic sunroof, adaptive cruise control, keyless entry and start, and an advanced iDrive interface.