2021 BMW 3 Series 2.0 320d MHT M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320d MHT M Sport Auto RWD Euro 6 (s/s) 4dr (187 bhp)
• Year: 2021
• Mileage: 71,089 miles
• Fuel: Diesel, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 71,089 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 15,900 more miles than a typical 2021 BMW 3 Series. Priced at £19,799, it is advertised £677 above the AskCar estimate of £19,122. The AskCar estimate uses 6,862 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 21 days. Its advertised mileage matches the government's MOT record. It is advertised by Wearside Autoparc in Sunderland. 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: £677 (3%) over the AskCar estimate of £19,122.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 21 days.

Price history

AskCar first saw this advert on 14 October 2026 at £19,799. 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 4 November 2026: valid until 16 January 2027.

It has had 4 MOTs. The latest, on 9 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 67,362 miles, which matches the advertised 71,089 miles.

Advertised mileage is about 15,900 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

59 other 2021 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £13,500 to £25,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 70,694 miles. Price: £18,998, £801 less than this car. Dealer: Arnold Clark Oldbury Fiat / Motorstore / Jeep / Abarth / BYD in Oldbury. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-dfb7529875cd
• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 70,000 miles. Price: £19,999, £200 more than this car. Dealer: J R R Cars in Leyland. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-233bf6e77e84
• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 69,996 miles. Price: £18,890, £909 less than this car. Dealer: Lookers in Belfast. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a713dcba75ec

• The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel saloon, black, 1 miles from this car. Mileage: 77,000 miles. Price: £16,895, £2,904 less than this car. Dealer: Autosmith N.e in Sunderland. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-d43f1697be8c