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: 66,700 miles
• Fuel: Diesel, mild hybrid
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 66,700 miles, this 2021 BMW 4 Series M Sport has covered about 22,600 more miles than other 2021 BMW 4 Series cars. The AskCar estimate for this car is £20,983. It is priced at £21,499, which is £516 above that estimate. The AskCar estimate uses 1,825 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 146 days ago. The government's MOT record matches its advertised mileage. You can find this car at Blakedown Car Company in Wolverhampton. 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: £516 (2%) over the AskCar estimate of £20,983.

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 146 days.

Price history

AskCar first saw this advert on 14 June 2026 at £22,999. Its asking price is now £21,499, £1,500 less.

Price changes recorded:

• 10 July 2026: £22,999
• 6 August 2026: £22,499
• 7 September 2026: £21,999
• 9 October 2026: £21,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 1 June 2027.

It has had 3 MOTs. The latest, on 2 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 66,385 miles, which matches the advertised 66,700 miles.

Advertised mileage is about 22,600 miles higher 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, blue. Mileage: 68,086 miles. Price: £20,450, £1,049 less than this car. Dealer: Parkway Motor Group in Edwinstowe. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-e6e428864a36
• 2021 BMW 4 Series M Sport, 2.0 diesel coupe, white. Mileage: 68,500 miles. Price: £21,270, £229 less than this car. Dealer: Motionmotorgroup in Market Harborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-9cb90111166c
• 2021 BMW 4 Series M Sport, 2.0 diesel coupe, white. Mileage: 64,000 miles. Price: £20,490, £1,009 less than this car. Dealer: Car Choice Teeside in Teesside. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-4ddcbca29778

• The nearest: 2021 BMW 4 Series M Sport, 2.0 diesel coupe, grey, 58 miles from this car. Mileage: 32,600 miles. Price: £24,995, £3,496 more than this car. Dealer: NEO Motor Company in Warrington. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-1b975623a225