2021 BMW 4 Series Gran Coupe 2.0 420i M Sport
Version: 2.0 420i M Sport Auto RWD Euro 6 (s/s) 5dr (181 bhp)
Price: £25,736. Fair price: £23 (under 1%) under the AskCar estimate of £25,759, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,153 priced BMW 4 Series Gran Coupe adverts on AskCar as of 30 October 2026.
AskCar lists 1,177 used BMW 4 Series Gran Coupe from 741 UK dealerships, as of 30 October 2026.
Overview
- Make
- BMW
- Model
- 4 Series Gran Coupe
- Trim
- M Sport
- Version
- 2.0 420i M Sport Auto RWD Euro 6 (s/s) 5dr (181 bhp)
- Mileage
- 16,733 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- Hatchback
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 181 bhp
- Seats
- 5
- CO2
- 156 g/km
- Colour
- Black
- Doors
- 5
- Driven wheels
- Rear Wheel Drive
- Engine badge
- 420i
- Emissions standard
- Euro 6
About this car
At 16,733 miles, this 2021 BMW 4 Series Gran Coupe M Sport has covered about 29,700 fewer miles than other 2021 BMW 4 Series Gran Coupe cars. The dealer is asking £25,736, which is £23 below the AskCar estimate of £25,759. To work out the AskCar estimate, we analyse UK dealer adverts for 1,153 BMW 4 Series Gran Coupe cars across different ages and specifications. This car was first seen in our listings data today. Its MOT is recorded as valid until 5 October 2027. The advertised mileage is consistent with the latest MOT reading. It is advertised by Hedin Automotive Woolwich BMW in London.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 30 October 2026.
| Date observed | Asking price |
|---|---|
| 30 October 2026 | £25,736 |
Price and mileage comparison
Fair price: £23 (under 1%) under the AskCar estimate of £25,759.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 1,153 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 30 October 2026.
Advertised mileage is about 29,700 miles lower than the median mileage of a 2021 BMW 4 Series Gran Coupe on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 5 October 2027. 16,282 miles at the last test.
Other matching cars
16 other 2021 BMW 4 Series Gran Coupe M Sport automatic petrol cars are for sale at UK dealers from £16,995 to £53,950, as of 30 October 2026.
The 5 cheapest:
- 2021 BMW 4 Series Gran Coupe. Price: £16,995. Mileage: 51,460 miles. Dealer: Shelldrakes Specialist Cars in Shefford. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2021-a15acf6b8c80
- 2021 BMW 4 Series Gran Coupe. Price: £16,995. Mileage: 51,800 miles. Dealer: DGA Cars in Downham Market. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2021-b34f097e98bd
- 2021 BMW 4 Series Gran Coupe. Price: £16,999. Mileage: 48,905 miles. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2021-472a14bbbcfd
- 2021 BMW 4 Series Gran Coupe. Price: £21,990. Mileage: 54,554 miles. Dealer: Harwoods Southampton Audi in Southampton. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2021-6ef8f0312ae1
- 2021 BMW 4 Series Gran Coupe. Price: £22,000. Mileage: 10,600 miles. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2021-3c9b6112b0c1
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BMW 4 Series Gran Coupe cars for sale · 2021 BMW 4 Series Gran Coupe price guide
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Photos
4 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.