2021 BMW 3 Series 2.0 320d MHT M Sport
Price: £17,500. Fair price: £151 (under 1%) over the AskCar estimate of £17,349, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,897 priced BMW 3 Series adverts on AskCar as of 5 November 2026.
AskCar lists 7,194 used BMW 3 Series from 2,714 UK dealerships, as of 5 November 2026.
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: 83,092 miles
- Fuel: Diesel, mild hybrid
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Black
- CO2: 129 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 83,092 miles, this 2021 BMW 3 Series M Sport has covered about 28,300 more miles than other 2021 BMW 3 Series cars. Its asking price of £17,500 is £151 above the AskCar estimate of £17,349. The AskCar estimate uses UK dealer asking prices, including 6,897 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 56 days ago. Its asking price has since fallen by £1,495. The government's MOT record matches its advertised mileage. You can find this car at Magna Motor Group in Warrington. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £151 (under 1%) over the AskCar estimate of £17,349.
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 6,897 priced BMW 3 Series adverts across different ages and specifications, as of 5 November 2026.
Time on sale
This 2021 BMW 3 Series has been on sale for at least 56 days.
Price history
AskCar first saw this advert on 10 September 2026 at £18,995. Its asking price is now £17,500, £1,495 less. The latest price cut was seen on 5 November 2026.
Price changes recorded:
- 10 September 2026: £18,995
- 19 September 2026: £18,595
- 24 September 2026: £17,995
- 29 September 2026: £17,500
- 8 October 2026: £17,250
- 13 October 2026: £16,995
- 16 October 2026: £16,800
- 20 October 2026: £16,500
- 24 October 2026: £15,995
- 30 October 2026: £17,995
- 5 November 2026: £17,500
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 25 January 2027.
It has had 3 MOTs. The latest, on 26 January 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 75,190 miles, which matches the advertised 83,092 miles.
Advertised mileage is about 28,300 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 5 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 84,028 miles. Price: £17,685, £185 more 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, grey. Mileage: 81,496 miles. Price: £17,798, £298 more than this car. Dealer: Arnold Clark Stoke-on-Trent Vauxhall / Peugeot / Vanstore in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-f0b20af75579
- 2021 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 80,000 miles. Price: £17,750, £250 more than this car. Dealer: PMA Cars NI in Newry. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-710722457db2
- The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel saloon, blue, under a mile from this car. Mileage: 40,000 miles. Price: £21,975, £4,475 more than this car. Dealer: Cottrell Motor Co in Warrington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-f6b4d8670c3f
Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide
More like this
- Used BMW 3 Series M Sport prices
- Used BMW 3 Series for sale under £20,000
- Used automatic BMW 3 Series for sale
- Used diesel BMW 3 Series for sale
- Used BMW 3 Series for sale near Warrington
Photos
44 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.