The BMW 6 Series is a range of grand tourers produced by BMW since 1976. The fourth generation 6 Series debuted in mid-2017 and is offered only as a fastback body style to complement the BMW 5 Series sedan/wagon. The BMW fourth generation 6 Series went on sale in 2017. The body style of the 4th generation is a 5-door fastback and it is marketed as "6 Series Gran Turismo" (replacing the previous generation 5 Series Gran Turismo). it was first introduced online on 14 June 2017 and launched at the 2017 Frankfurt Auto Show in September. The range of engines consist of turbocharged 4-cylinder petrol, 6-cylinder petrol and 6-cylinder diesel engines. Most models are rear-wheel drive, with all-wheel drive, called "xDrive" by BMW, available as an option for some models.