The 2008 BMW 750 is available as a 4-door, 5-seat sedan. Starting at $76,800, the 2008 BMW 750 i is powered by a 4.8LL , 8 -cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 23-mpg on the highway. The top of the line 2008BMW750Li , priced at $ 79,900 , is powered by a 4.8LL , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 23-mpg on the highway.