The 2000 BMW 528 is available as a 4-door, 5-seat sedan. Starting at $38,900, the 2000 BMW 528 i (M5) Sedan is powered by a 2.8L , 6 -cylinder engine mated to a manual transmission that returns an EPA estimated 21-mpg in the city and 29-mpg on the highway. The top of the line 2000BMW528iA (A5) Wagon , priced at $ 41,975 , is powered by a 2.8L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 26-mpg on the highway.