2021 BMW 4 Series 2.0 420d MHT M Sport

Price: £24,995. Fair price: £716 (2%) under the AskCar estimate of £25,711, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,825 priced BMW 4 Series adverts on AskCar as of 7 November 2026.

AskCar lists 1,882 used BMW 4 Series from 1,079 UK dealerships, as of 7 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: 32,600 miles
  • Fuel: Diesel, mild hybrid
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 135 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 4 Series M Sport is advertised with 32,600 miles, approximately 11,500 below the typical mileage for its age. The AskCar estimate for this car is £25,711. It is priced at £24,995, which is £716 below that estimate. The AskCar estimate draws on 1,825 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 150 days ago, the asking price has dropped by £1,000. The government's MOT record matches its advertised mileage. You can find this car at NEO Motor Company in Warrington. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £716 (2%) under the AskCar estimate of £25,711.

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 1,825 priced BMW 4 Series adverts across different ages and specifications, as of 7 November 2026.

A 2021 BMW 4 Series with the 2.0 diesel engine is typically advertised at £24,000: the median of the 143 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 BMW 4 Series has been on sale for at least 150 days.

Price history

AskCar first saw this advert on 10 June 2026 at £25,995. Its asking price is now £24,995, £1,000 less. The latest price cut was seen on 13 July 2026.

Price changes recorded:

  • 22 June 2026: £25,995
  • 13 July 2026: £24,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 23 December 2026.

It has had 2 MOTs. The latest, on 22 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 29,920 miles, which matches the advertised 32,600 miles.

Advertised mileage is about 11,500 miles lower than the median mileage of a 2021 BMW 4 Series on AskCar.

Similar cars

34 other 2021 BMW 4 Series M Sport 2.0 diesel automatic coupes are for sale at UK dealers, from £17,490 to £26,500, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 4 Series M Sport, 2.0 diesel coupe, white. Mileage: 32,290 miles. Price: £24,495, £500 less than this car. Dealer: Roadside Motors Edwin May Portadown in Portadown. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-cb936a91bed3
  • 2021 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 34,848 miles. Price: £23,995, £1,000 less than this car. Dealer: A1 Auto Solutions in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-5e810c1fe515
  • 2021 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 30,035 miles. Price: £24,849, £146 less than this car. Dealer: Ocean Plymouth in Plymouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-bcaf664107a0
  • The nearest: 2021 BMW 4 Series M Sport, 2.0 diesel coupe, green, 28 miles from this car. Mileage: 46,000 miles. Price: £26,500, £1,505 more than this car. Dealer: Q Performance Ltd / My1stcar.org in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-4151f00452e9

Browse all BMW 4 Series cars for sale · 2021 BMW 4 Series price guide

More like this

Photos

52 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.