The 2011 BMW 740 is available as a 4-door, 5-seat sedan. Starting at $70,650, the 2011 BMW 740 i is powered by a 3.0L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 25-mpg on the highway. The top of the line 2011BMW740Li , priced at $ 75,050 , is powered by a 3.0L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 25-mpg on the highway.