2021 BMW 3 Series 2.0 318d MHT M Sport
Price: £18,150. Fair price: £184 (1%) over the AskCar estimate of £17,966, 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 318d MHT M Sport Auto RWD Euro 6 4dr Step (147 bhp)
- Year: 2021
- Mileage: 59,224 miles
- Fuel: Diesel, mild hybrid
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 147 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Blue
- CO2: 121 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 59,224 miles, this 2021 BMW 3 Series M Sport has covered about 4,400 more miles than other 2021 BMW 3 Series cars. Its asking price of £18,150 is £184 above the AskCar estimate of £17,966. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. We first saw this car advertised 30 days ago. Its asking price has since fallen by £141. The latest recorded MOT expiry date is 17 October 2026, which has passed. Confirm its status with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Evans Halshaw BYD Mansfield, based in Mansfield. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £184 (1%) over the AskCar estimate of £17,966.
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 30 days.
Price history
AskCar first saw this advert on 6 October 2026 at £18,291. Its asking price is now £18,150, £141 less. The latest price cut was seen on 27 October 2026.
Price changes recorded:
- 6 October 2026: £18,291
- 7 October 2026: £19,010
- 13 October 2026: £18,820
- 21 October 2026: £18,430
- 27 October 2026: £18,150
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 17 October 2026; ask the dealer for the current MOT.
It has had 4 MOTs. The latest, on 8 October 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 50,336 miles, which matches the advertised 59,224 miles.
Advertised mileage is about 4,400 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: 59,813 miles. Price: £20,795, £2,645 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, £2,850 more than this car. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-2dd0aa390260
- 2021 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 61,113 miles. Price: £23,495, £5,345 more than this car. Dealer: Top Cars Telford in Dawley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-7cf302f2574f
- The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel saloon, blue, 22 miles from this car. Mileage: 101,229 miles. Price: £16,495, £1,655 less than this car. Dealer: Car Bazaar in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-78d49da53858
Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide
More like this
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- Used BMW 3 Series for sale near Mansfield
Photos
23 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.