2021 BMW 3 Series 2.0 320d MHT M Sport
Price: £18,950. Fair price: £1,024 (5%) over the AskCar estimate of £17,926, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,902 priced BMW 3 Series adverts on AskCar as of 6 November 2026.
AskCar lists 7,204 used BMW 3 Series from 2,726 UK dealerships, as of 6 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Trim: M Sport
- Version: 2.0 320d MHT M Sport Auto 4WD Euro 6 4dr (187 bhp)
- Year: 2021
- Mileage: 87,009 miles
- Fuel: Diesel, mild hybrid
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: White
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 87,009 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 31,900 more miles than a typical 2021 BMW 3 Series. Its asking price of £18,950 is £1,024 above the AskCar estimate of £17,926. The AskCar estimate uses UK dealer asking prices, including 6,902 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 29 days. It is advertised by Ballinderry Car Sales in Moira. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £1,024 (5%) over the AskCar estimate of £17,926.
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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.
Time on sale
This 2021 BMW 3 Series has been on sale for at least 29 days.
Price history
AskCar first saw this advert on 8 October 2026 at £18,950. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 31,900 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 £12,700 to £25,995, as of 6 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 89,000 miles. Price: £16,389, £2,561 less than this car. Dealer: The Car Guys in Dunstable. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-9d378a0665af
- 2021 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 84,028 miles. Price: £17,685, £1,265 less than this car. Dealer: Bayer Car Sales in Fareham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-c63cc66c238b
- 2021 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 83,092 miles. Price: £17,500, £1,450 less than this car. Dealer: Magna Motor Group in Warrington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-8ddb171dcb59
- The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel saloon, white, 10 miles from this car. Mileage: 69,996 miles. Price: £18,890, £60 less than this car. Dealer: Lookers in Belfast. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a713dcba75ec
Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide
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Photos
40 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.