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 4WD Euro 6 (s/s) 2dr (187 bhp)
• Year: 2021
• Mileage: 57,000 miles
• Fuel: Diesel, mild hybrid
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 57,000 miles, this 2021 BMW 4 Series M Sport has covered about 12,900 more miles than other 2021 BMW 4 Series cars. Its asking price of £22,990 is £506 above the AskCar estimate of £22,484. The AskCar estimate uses UK dealer asking prices, including 1,814 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 46 days ago. Its asking price has since fallen by £505. The government's MOT record matches its advertised mileage. It is advertised by My Next Car in Sandy. 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: £506 (2%) over the AskCar estimate of £22,484.

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 46 days.

Price history

AskCar first saw this advert on 19 September 2026 at £23,495. Its asking price is now £22,990, £505 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 19 September 2026: £23,495
• 30 October 2026: £22,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 17 July 2027.

It has had 3 MOTs. The latest, on 14 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 53,643 miles, which matches the advertised 57,000 miles.

Advertised mileage is about 12,900 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: 57,500 miles. Price: £22,950, the same price as this car. Dealer: Danson Motors in Sidcup. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-0df77e286ef4
• 2021 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 54,749 miles. Price: £23,490, £500 more than this car. Dealer: Stratstone BMW Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-da04ff4afc6e
• 2021 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 60,520 miles. Price: £22,295, £695 less than this car. Dealer: Group 1 Cambridge BMW in Cambridge. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-081344220a6c

• The nearest: 2021 BMW 4 Series M Sport, 2.0 diesel coupe, blue, 8 miles from this car. Mileage: 93,000 miles. Price: £20,995, £1,995 less than this car. Dealer: Goldstone Cars in Kempston. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-fb5941df7d1f