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 Euro 6 (s/s) 2dr (187 bhp)
• Year: 2021
• Mileage: 95,385 miles
• Fuel: Diesel, mild hybrid
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Colour: Blue
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 95,385 miles, this 2021 BMW 4 Series M Sport has covered about 51,300 more miles than other 2021 BMW 4 Series cars. The dealer is asking £18,990, which is £2,357 above the AskCar estimate of £16,633. To work out the AskCar estimate, we analyse UK dealer adverts for 1,814 BMW 4 Series cars across different ages and specifications. The asking price is now £1,005 lower than when we first recorded the advert 158 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Elton Cars in Peterborough. 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

Above the going rate: £2,357 (14%) over the AskCar estimate of £16,633.

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 158 days.

Price history

AskCar first saw this advert on 30 May 2026 at £19,995. Its asking price is now £18,990, £1,005 less. The latest price cut was seen on 11 September 2026.

Price changes recorded:

• 31 May 2026: £19,995
• 16 June 2026: £19,900
• 14 July 2026: £19,748
• 3 September 2026: £19,490
• 11 September 2026: £18,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 16 February 2027.

It has had 4 MOTs. The latest, on 17 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 95,381 miles, which matches the advertised 95,385 miles.

Advertised mileage is about 51,300 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: 97,000 miles. Price: £17,490, £1,500 less than this car. Dealer: Ashley Vehicle Solutions in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-fcf11892de2e
• 2021 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 93,000 miles. Price: £20,995, £2,005 more than this car. Dealer: Goldstone Cars in Kempston. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-fb5941df7d1f
• 2021 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 85,144 miles. Price: £19,775, £785 more than this car. Dealer: Riverside Motor Company (2009) in Chesterfield. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-f36578f5ac10