2021 BMW 3 Series 2.0 320d M Sport
Price: £23,999. Fair price: £1,482 (5%) under the AskCar estimate of £25,481, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,862 priced BMW 3 Series adverts on AskCar as of 4 November 2026.
AskCar lists 7,147 used BMW 3 Series from 2,707 UK dealerships, as of 4 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: 27,496 miles
- Fuel: Diesel
- Body: Estate, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Blue
- CO2: 118 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 27,496 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 27,700 fewer miles than a typical 2021 BMW 3 Series. The AskCar estimate for this car is £25,481. It is priced at £23,999, which is £1,482 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. We have tracked this advert for 21 days. 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 4 November 2026.
Price
Fair price: £1,482 (5%) under the AskCar estimate of £25,481.
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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.
Time on sale
This 2021 BMW 3 Series has been on sale for at least 21 days.
Price history
AskCar first saw this advert on 14 October 2026 at £23,999. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 27,700 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.
Similar cars
30 other 2021 BMW 3 Series M Sport 2.0 diesel automatic estates are for sale at UK dealers, from £13,750 to £27,495, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 25,645 miles. Price: £27,495, £3,496 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
- 2021 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 30,820 miles. Price: £24,995, £996 more than this car. Dealer: Jones Motor Company in Chester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-e86db5e0c06d
- 2021 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 39,102 miles. Price: £24,290, £291 more than this car. Dealer: Stratstone Bmw Hull in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-b183aff8eb5e
- 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, £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
More like this
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- Used BMW 3 Series for sale near Dereham
Photos
53 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.