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: 72,900 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

This 2021 BMW 4 Series M Sport is advertised with 72,900 miles, approximately 28,800 above the typical mileage for its age. Priced at £19,490, it is advertised £780 below the AskCar estimate of £20,270. The AskCar estimate draws on 1,833 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 73 days ago. Its asking price has since fallen by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is S James Prestige, based in Stamford. 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

Fair price: £780 (3%) under the AskCar estimate of £20,270.

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 73 days.

Price history

AskCar first saw this advert on 24 August 2026 at £19,990. Its asking price is now £19,490, £500 less. The latest price cut was seen on 6 October 2026.

Price changes recorded:

• 24 August 2026: £19,990
• 6 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 6 January 2027.

It has had 3 MOTs. The latest, on 6 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 62,450 miles, which matches the advertised 72,900 miles.

Advertised mileage is about 28,800 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, blue. Mileage: 73,131 miles. Price: £19,350, £140 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-8e45bfc0e270
• 2021 BMW 4 Series M Sport, 2.0 diesel coupe, white. Mileage: 68,500 miles. Price: £21,270, £1,780 more 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, blue. Mileage: 68,086 miles. Price: £20,450, £960 more than this car. Dealer: Parkway Motor Group in Edwinstowe. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-e6e428864a36

• The nearest: 2021 BMW 4 Series M Sport, 2.0 diesel coupe, blue, 11 miles from this car. Mileage: 97,000 miles. Price: £17,490, £2,000 less than this car. Dealer: Ashley Vehicle Solutions in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-fcf11892de2e