2021 BMW 4 Series 2.0 420d MHT M Sport

Price: £22,498. Fair price: £764 (3%) over the AskCar estimate of £21,734, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,814 priced BMW 4 Series adverts on AskCar as of 4 November 2026.

AskCar lists 1,865 used BMW 4 Series from 1,070 UK dealerships, as of 4 November 2026.

Overview

  • Make: BMW
  • Model: 4 Series
  • Trim: M Sport
  • Version: 2.0 420d MHT M Sport Auto Euro 6 (187 bhp)
  • Year: 2021
  • Mileage: 63,074 miles
  • Fuel: Diesel, mild hybrid
  • Body: Coupe
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Colour: Blue
  • CO2: 135 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 63,074 miles, this 2021 BMW 4 Series M Sport has covered about 19,000 more miles than other 2021 BMW 4 Series cars. Its asking price of £22,498 is £764 above the AskCar estimate of £21,734. To work out the AskCar estimate, we analyse UK dealer adverts for 1,814 BMW 4 Series cars across different ages and specifications. We have tracked this advert for 6 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is BMW Direct, based in Inverness. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £764 (3%) over the AskCar estimate of £21,734.

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 1,814 priced BMW 4 Series adverts across different ages and specifications, as of 4 November 2026.

A 2021 BMW 4 Series with the 2.0 diesel engine is typically advertised at £24,000: the median of the 144 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2021 BMW 4 Series advertised 6 days ago. About 4 in 10 of 2021 BMW 4 Series cars are gone from sale within a month of being advertised: 103 of the 239 first advertised between 11 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 29 October 2026 at £22,498. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 21 May 2027.

It has had 3 MOTs. The latest, on 8 May 2026, passed.

Advisories at the latest test: nearside front windscreen wiper blade defective smearing slightly; offside front windscreen wiper blade defective smearing slightly; nearside front brake disc worn, pitted or scored, but not seriously weakened inner braking surface; and 1 more.

Mileage at that test: 58,481 miles, which matches the advertised 63,074 miles.

Advertised mileage is about 19,000 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 4 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 63,319 miles. Price: £21,558, £940 less than this car. Dealer: Stebbings Car Superstore Kings Lynn in King's Lynn. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-05b46f15c150
  • 2021 BMW 4 Series M Sport, 2.0 diesel coupe, white. Mileage: 64,000 miles. Price: £20,490, £2,008 less than this car. Dealer: Car Choice Teeside in Teesside. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-4ddcbca29778
  • 2021 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 61,120 miles. Price: £19,490, £3,008 less than this car. Dealer: Imola Automotive in Bristol. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-8d2779064f3c
  • The nearest: 2021 BMW 4 Series M Sport, 2.0 diesel coupe, black, 104 miles from this car. Mileage: 52,485 miles. Price: £22,000, £498 less than this car. Dealer: Peoples Falkirk in Falkirk. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-6be077ca9c2a

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

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Photos

1 photo of this car is on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.