BMW 4 SERIES GRAN COUPE (2017-21) 420I 5DR GRAN COUPE 2.0 SS 184 EU6 SPORT 6SPD

Buyer's Guide & Data from our Checks
The BMW 4 SERIES GRAN COUPE (2017-21) 420I 5DR GRAN COUPE 2.0 SS 184 EU6 SPORT 6SPD is a stylish and practical hatchback designed for drivers seeking a blend of sporty looks and everyday usability. Known for its sleek coupe-like appearance with four doors, it sits comfortably within the premium compact car market in the UK. Its distinctive design and refined features make it popular among those wanting a sophisticated vehicle that also delivers a fun driving experience.
According to mycarcheck.com data, this model has been looked up 26 times with 20 different VINs, indicating a steady level of interest among used car buyers. It’s typically used by professionals and small families who value comfort, fuel efficiency, and a driver-focused ride. The average recorded mileage of around 52,000 suggests it’s well-suited for daily commuting and longer journeys while maintaining good reliability.
What makes this particular BMW stand out is its combination of sporty performance and stylish design, along with a reputation for quality and durability in its class. When compared to its rivals, it’s recognized for its engaging drive, premium features, and solid build. The average value of around £12,500 reflects its popularity in the used market, making it an attractive option for those looking for a premium yet practical vehicle.
Key Findings
The following statistics are drawn from our checks of 20 different vehicles, run between January 6th 2024 and December 31st 2025. These real-world insights provide context for this vehicle's place in the market, as well as its typical usage.
26
Lookups
Lookups
1
Hidden Histories
Hidden Histories
56k
Average Mileage
Average Mileage
£12,500
Average Valuation
Average Valuation












