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: 59,225 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

This 2021 BMW 3 Series M Sport has covered 59,225 miles, around 4,500 more miles than is typical for its age. Priced at £20,450, it is advertised £342 below the AskCar estimate of £20,792. The AskCar estimate uses UK dealer asking prices, including 6,864 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. Its advertised mileage matches the government's MOT record. You can find this car at Gormley Car Sales in Maghera. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £342 (1%) under the AskCar estimate of £20,792.

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 6,864 priced BMW 3 Series adverts across different ages and specifications, as of 10 November 2026.

Time on sale

AskCar first saw this 2021 BMW 3 Series advertised today. About half of 2021 BMW 3 Series cars are gone from sale within a month of being advertised: 455 of the 963 first advertised between 10 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £20,450. 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 10 November 2026: valid until 7 May 2027.

It has had one MOT, on 8 May 2025, and passed.

There were no advisories at the latest test.

Mileage at that test: 41,707 miles, which matches the advertised 59,225 miles.

Advertised mileage is about 4,500 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 £12,700 to £25,495, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 59,224 miles. Price: £18,150, £2,300 less than this car. Dealer: Evans Halshaw BYD Mansfield in Mansfield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-7c144ef5e598
• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 59,813 miles. Price: £20,795, £345 more than this car. Dealer: Crawford Clarke Cars in Belfast. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-153a10b2e350
• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 57,347 miles. Price: £21,000, £550 more than this car. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-2dd0aa390260

• The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel saloon, black, 12 miles from this car. Mileage: 80,000 miles. Price: £17,995, £2,455 less than this car. Dealer: Ilex Car Sales in Limavady. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-0c07b048caed