BMW 4 SERIES GRAN COUPE (2017-21) 420I 5DR GRAN COUPE 2.0 SS 184 EU6 M SPORT AUTO8

Buyer's Guide & Data from our Checks
The BMW 4 Series Gran Coupe (2017-21) 420I 5DR Gran Coupe 2.0 SS 184 EU6 M Sport Auto8 is a stylish and practical hatchback-style coupe that appeals to drivers looking for a blend of sporty appeal and everyday usability. Positioned as a premium coupe in the UK market, it offers a sleek design with a spacious five-door layout, making it suitable for both commuting and small families. Its popularity in used car searches, with over 3,800 lookups and nearly 1,700 different VINs, indicates strong interest among buyers seeking reliable and stylish vehicles.
This model is typically chosen by individuals who enjoy a comfortable driving experience without sacrificing fuel efficiency. With an average mileage of around 39,000 miles and a history of approximately 8,000 miles driven yearly, it suggests a car used for both daily commuting and occasional leisure trips. Its M Sport trim adds a sporty touch, making it a favorite among those who value design and driving dynamics.
What sets the BMW 4 Series Gran Coupe apart is its blend of elegant design, dynamic handling, and reputation for reliability. It often outperforms rivals like the Audi A5 or Mercedes-Benz CLA in driver engagement and build quality. Known for its standout style and quality, this model is ideal for those wanting a distinctive car with versatile appeal, suitable for both personal use and city driving.
Don’t risk buying a BMW 4 Series Coupe without checking for hidden finance, write-offs, or mileage discrepancies. Enter the reg now to stay protected and make an informed decision before you commit.
Key Findings
The following statistics are drawn from our checks of 1,698 different vehicles, run between February 17th 2021 and April 30th 2026. These real-world insights provide context for this vehicle's place in the market, as well as its typical usage.
3,841
Lookups
Lookups
135
Hidden Histories
Hidden Histories
47k
Average Mileage
Average Mileage
£18,100
Average Valuation
Average Valuation












