The 2021 BMW 330 is available as a 4-door, 5-seat sedan. Starting at $41,250, the 2021 BMW 330 RWD is powered by a 2.0LL , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 26-mpg in the city and 36-mpg on the highway. The top of the line 2021BMW330(NA) AWD , priced at $ 43,250 , is powered by a 2.0LL , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 25-mpg in the city and 34-mpg on the highway.