2021 BMW 4 Series 2.0 420d MHT M Sport
Price: £17,490. Fair price: £622 (3%) over the AskCar estimate of £16,868, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,833 priced BMW 4 Series adverts on AskCar as of 5 November 2026.
AskCar lists 1,879 used BMW 4 Series from 1,081 UK dealerships, as of 5 November 2026.
Overview
- Make: BMW
- Model: 4 Series
- Trim: M Sport
- Version: 2.0 420d MHT M Sport Auto 4WD Euro 6 (s/s) 2dr (187 bhp)
- Year: 2021
- Mileage: 97,000 miles
- Fuel: Diesel, mild hybrid
- Body: Coupe, 2 doors, 4 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Blue
- CO2: 135 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 97,000 miles, this 2021 BMW 4 Series M Sport has covered about 52,900 more miles than other 2021 BMW 4 Series cars. Its asking price of £17,490 is £622 above the AskCar estimate of £16,868. The AskCar estimate uses 1,833 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 28 days ago, the asking price has dropped by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Ashley Vehicle Solutions, based in Peterborough. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £622 (3%) over the AskCar estimate of £16,868.
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 1,833 priced BMW 4 Series adverts across different ages and specifications, as of 5 November 2026.
A 2021 BMW 4 Series with the 2.0 diesel engine is typically advertised at £24,000: the median of the 149 for sale on AskCar, as of 5 November 2026.
Time on sale
This 2021 BMW 4 Series has been on sale for at least 28 days.
Price history
AskCar first saw this advert on 8 October 2026 at £18,490. Its asking price is now £17,490, £1,000 less. The latest price cut was seen on 30 October 2026.
Price changes recorded:
- 8 October 2026: £18,490
- 16 October 2026: £17,900
- 30 October 2026: £17,490
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 28 June 2027.
It has had 4 MOTs. The latest, on 18 June 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 92,306 miles, which matches the advertised 97,000 miles.
Advertised mileage is about 52,900 miles higher than the median mileage of a 2021 BMW 4 Series on AskCar.
Similar cars
35 other 2021 BMW 4 Series M Sport 2.0 diesel automatic coupes are for sale at UK dealers, from £18,900 to £26,500, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 95,385 miles. Price: £18,900, £1,410 more than this car. Dealer: Elton Cars in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-2efc3e00610e
- 2021 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 93,000 miles. Price: £20,995, £3,505 more than this car. Dealer: Goldstone Cars in Kempston. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-fb5941df7d1f
- 2021 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 85,144 miles. Price: £19,775, £2,285 more than this car. Dealer: Riverside Motor Company (2009) in Chesterfield. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-f36578f5ac10
Browse all BMW 4 Series cars for sale · 2021 BMW 4 Series price guide
More like this
- Used BMW 4 Series M Sport prices
- Used BMW 4 Series for sale under £20,000
- Used diesel BMW 4 Series for sale
- Used BMW 4 Series for sale near Peterborough
Photos
47 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.