The 2014 BMW 740 is available as a 4-door, 5-seat sedan. Starting at $74,000, the 2014 BMW 740 i RWD is powered by a 3.0L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 29-mpg on the highway. The top of the line 2014BMW740AWD , priced at $ 81,000 , is powered by a 3.0L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 28-mpg on the highway.