2018 BMW 540
The 2018 BMW 540 is a 4-door, 5-seat Sedan, available in 2 trims, ranging from the RWD to the AWD. Upon introduction, the $57,700 RWD is equipped with a standard 3.0L, 6-cylinder, engine that achieves 20-mpg in the city and 30-mpg on the highway. an Automatic transmission is standard. The $60,000 AWD is equipped with a standard 3.0L, 6-cylinder, engine that achieves 20-mpg in the city and 29-mpg on the highway. an Automatic transmission is standard.