2021 BMW 4 Series 2.0 420d MHT M Sport

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: 64,000 miles
• Fuel: Diesel, mild hybrid
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 64,000 miles on the clock, this 2021 BMW 4 Series M Sport has done roughly 19,900 more miles than a typical 2021 BMW 4 Series. Its asking price of £20,490 is £1,149 below the AskCar estimate of £21,639. 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 11 days. Its advertised mileage matches the government's MOT record. It is for sale at Car Choice Teeside in Middlesbrough. 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: £1,149 (5%) under the AskCar estimate of £21,639.

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

This 2021 BMW 4 Series has been on sale for at least 11 days.

Price history

AskCar first saw this advert on 24 October 2026 at £20,490. 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 20 November 2026.

It has had 3 MOTs. The latest, on 14 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 48,112 miles, which matches the advertised 64,000 miles.

Advertised mileage is about 19,900 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 £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, £1,068 more 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, blue. Mileage: 63,074 miles. Price: £22,498, £2,008 more than this car. Dealer: BMW Direct in Inverness. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-4949c9dace72
• 2021 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 66,700 miles. Price: £21,499, £1,009 more than this car. Dealer: Blakedown Car Company in Wombourne. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-f99fead5c83d

• The nearest: 2021 BMW 4 Series M Sport, 2.0 diesel coupe, black, 40 miles from this car. Mileage: 37,900 miles. Price: £22,995, £2,505 more than this car. Dealer: Yorkshire Vehicle Solutions in York. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-f62467d64221