2021 BMW 4 Series 2.0 420d MHT M Sport

Price: £19,490. Good value: £2,602 (11%) under the AskCar estimate of £22,092, 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 RWD Euro 6 (s/s) 2dr (187 bhp)
  • Year: 2021
  • Mileage: 61,120 miles
  • Fuel: Diesel, mild hybrid
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 122 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 4 Series M Sport has covered 61,120 miles, around 17,100 more miles than is typical for its age. The dealer is asking £19,490, which is £2,602 below the AskCar estimate of £22,092. To work out the AskCar estimate, we analyse UK dealer adverts for 1,833 BMW 4 Series cars across different ages and specifications. We first recorded this advert 159 days ago, and its asking price has since fallen by £2,000. Its advertised mileage matches the government's MOT record. The seller is Imola Automotive, based in Bristol. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Good value: £2,602 (11%) under the AskCar estimate of £22,092.

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 159 days.

Price history

AskCar first saw this advert on 30 May 2026 at £21,490. Its asking price is now £19,490, £2,000 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

  • 31 May 2026: £21,490
  • 2 June 2026: £20,990
  • 23 June 2026: £20,490
  • 17 July 2026: £19,990
  • 25 August 2026: £20,990
  • 30 September 2026: £19,990
  • 31 October 2026: £19,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 8 March 2027.

It has had 3 MOTs. The latest, on 9 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 61,091 miles, which matches the advertised 61,120 miles.

Advertised mileage is about 17,100 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 £17,490 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, white. Mileage: 60,895 miles. Price: £21,998, £2,508 more than this car. Dealer: Arnold Clark Edinburgh Seafield MG / OMODA / JAECOO in Edinburgh. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-e6217e4cd414
  • 2021 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 60,520 miles. Price: £22,295, £2,805 more than this car. Dealer: Group 1 Cambridge BMW in Cambridge. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-081344220a6c
  • 2021 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 63,074 miles. Price: £22,498, £3,008 more than this car. Dealer: BMW Direct in Inverness. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-4949c9dace72
  • The nearest: 2021 BMW 4 Series M Sport, 2.0 diesel coupe, grey, 62 miles from this car. Mileage: 24,428 miles. Price: £25,995, £6,505 more than this car. Dealer: Partridge BMW in Eastleigh. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-bcb8f2603746

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

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Photos

61 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.