BMW 4 Series Coupe

Drive With six engine options across the range, the BMW 4 Series powertrain has something for everyone. Petrol choices include the 181bhp 2.0-litre four-cylinder 420i, the 242bhp 428i, and the 3.0-litre six-cylinder 435i. The diesel line-up consists of the 181bhp turbodiesel 420d, a 3.0-litre six-cylinder 430d, and a 309bhp 435d, which comes exclusively with the BMW's xDrive all-wheel drive system. Emissions are good across the range with the 420d recording CO2 emissions of 124g/km and 60.1mpg on the combined cycle.