The 2012 BMW 528 is available as a 4-door, 5-seat sedan. Starting at $46,900, the 2012 BMW 528 RWD is powered by a 2.0L , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 23-mpg in the city and 34-mpg on the highway. The top of the line 2012BMW528AWD , priced at $ 49,200 , is powered by a 2.0L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 32-mpg on the highway.