Note: The dimensions shown above are for the BMW 420i 20I M Sport, 2.0L, Premium Unleaded Petrol, 8 SPEED AUTO STEPTRONIC SPORT. To display dimensions about another variant, click on one of the rows ...

The BMW 4 Series is great to drive, smart inside and roomier than you might imagine. With its powerful engine, the M440i is great fun, but the 420i strikes the best balance between performance and ...

The BMW 4 Series Convertible is very accomplished ... and a classy interior. We think the 420i M Sport gives the best balance between performance and running costs. M Sport trim comes with plenty ...