The 2022 BMW 840 Gran Coupe is available as a 4-door, 5-seat sedan. Starting at $85,000, the 2022 BMW 840 Gran Coupe RWD is powered by a 3.0LL , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 29-mpg on the highway. The top of the line 2022BMW840 Gran CoupeAWD , priced at $ 87,900 , is powered by a 3.0LL , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 27-mpg on the highway.