2021 BMW 3 Series 2.0 320d M Sport
Price: £24,999. Fair price: £393 (1%) under the AskCar estimate of £25,392, 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 M Sport Auto RWD Euro 6 (s/s) 5dr Touring (187 bhp)
- Year: 2021
- Mileage: 28,192 miles
- Fuel: Diesel
- Body: Estate, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Grey
- CO2: 118 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 28,192 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 26,600 fewer miles than a typical 2021 BMW 3 Series. Its asking price of £24,999 is £393 below the AskCar estimate of £25,392. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. We have tracked this advert today. You can find this car at Fresh Motors in Thetford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £393 (1%) under the AskCar estimate of £25,392.
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
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: 429 of the 907 first advertised between 10 July 2026 and 2 October 2026.
Price history
AskCar first saw this advert on 5 November 2026 at £24,999. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 26,600 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.
Similar cars
33 other 2021 BMW 3 Series M Sport 2.0 diesel automatic estates are for sale at UK dealers, from £13,750 to £29,950, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 27,496 miles. Price: £23,999, £1,000 less than this car. Dealer: Fresh Motors in Watton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-bc96f46a083f
- 2021 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 27,430 miles. Price: £29,950, £4,951 more than this car. Dealer: Stratstone Bmw Harrogate in Harrogate. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-8800a472eb03
- 2021 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 25,645 miles. Price: £27,495, £2,496 more than this car. Dealer: Park's Motor Group Douglas Park BMW Stirling in Stirling. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-c2035ab00343
- The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel estate, grey, under a mile from this car. Mileage: 48,197 miles. Price: £23,499, £1,500 less than this car. Dealer: Fresh Motors in Watton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a0d90117e984
Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide
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- Used BMW 3 Series for sale near Dereham
Photos
25 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.