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: 46,000 miles
• Fuel: Diesel, mild hybrid
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Green
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 4 Series M Sport has covered 46,000 miles. Its asking price of £26,500 is £2,425 above the AskCar estimate of £24,075. The AskCar estimate uses 1,833 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 161 days. The latest MOT recorded 46,772 miles, above the advertised mileage. Check this with the dealer. MOT records show an expiry date of 26 February 2027. It is advertised by Q Performance Ltd / My1stcar.org in Blackburn. 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

Above the going rate: £2,425 (10%) over the AskCar estimate of £24,075.

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 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £26,500. 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 5 November 2026: valid until 26 February 2027.

It has had 4 MOTs. The latest, on 27 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 46,772 miles. The advert says 46,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 1,900 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 £26,495, 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: 46,557 miles. Price: £23,498, £3,002 less than this car. Dealer: Arnold Clark Livingston Vauxhall in Livingston. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-6b9d6c6f4ec2
• 2021 BMW 4 Series M Sport, 2.0 diesel coupe, white. Mileage: 44,115 miles. Price: £22,490, £4,010 less than this car. Dealer: Lloyd Select Blackpool in Blackpool. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-45734addecd2
• 2021 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 44,000 miles. Price: £23,490, £3,010 less than this car. Dealer: Stratus in Basingstoke. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-90689fd0709d

• The nearest: 2021 BMW 4 Series M Sport, 2.0 diesel coupe, grey, under a mile from this car. Mileage: 48,000 miles. Price: £26,495, the same price as this car. Dealer: Q Performance Ltd / My1stcar.org in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-4-series-2021-dd807ced0fa6