BMW 4 SERIES COUPE (2017-20) 420I 2DR COUPE 2.0 SS 184 EU6 M SPORT AUTO8

Buyer's Guide & Data from our Checks
The BMW 4 SERIES COUPE (2017-20) 420I 2DR COUPE 2.0 SS 184 EU6 M SPORT AUTO8 is a premium, two-door petrol coupe, sitting between everyday family cars and more costly grand tourers in the UK market. Its sleek styling and M Sport appearance give it a sportier feel than a conventional saloon, while the automatic gearbox makes it easy to drive.
In mycarcheck.com data, 1,989 checks covered 883 different VINs, a substantial sample. Recorded cars averaged 42,000 miles and about 9,000 miles a year, with roughly 1.8 previous keepers; the average private-sale valuation was £18,000. These figures offer useful context, not a guarantee of any individual car’s condition or price. The 420i suits commuters and couples wanting comfort and style, and can handle occasional passengers or luggage, though rear access and space are less convenient than in a four-door car.
Against Audi A5 rivals, BMW balances comfort, style and driving.
Buying a BMW 4 Series Coupe? Outstanding finance, write-offs, hidden damage, mileage problems or theft could turn a smart purchase into a costly mistake. Enter the reg now and check before you commit.
Key Findings
The following statistics are drawn from our checks of 883 different vehicles, run between February 17th 2021 and October 31st 2026. These real-world insights provide context for this vehicle's place in the market, as well as its typical usage.
1,989
Lookups
Lookups
63
Hidden Histories
Hidden Histories
48k
Average Mileage
Average Mileage
£18,000
Average Valuation
Average Valuation












