2021 BMW 3 Series 2.0 320i M Sport

Price: £21,990. Fair price: £7 (under 1%) under the AskCar estimate of £21,997, 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 320i M Sport Auto RWD Euro 6 (s/s) 5dr Touring (181 bhp)
  • Year: 2021
  • Mileage: 45,398 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 153 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 45,398 miles, around 9,800 fewer miles than is typical for its age. The dealer is asking £21,990, which is £7 below the AskCar estimate of £21,997. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. We first recorded this car for sale 48 days ago. You can find this car at Direct Cars in Sheffield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £7 (under 1%) under the AskCar estimate of £21,997.

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 48 days.

Price history

AskCar first saw this advert on 19 September 2026 at £21,990. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 9,800 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 petrol automatic estates are for sale at UK dealers, from £13,995 to £29,990, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 3 Series M Sport, 2.0 petrol estate, blue. Mileage: 46,170 miles. Price: £23,995, £2,005 more than this car. Dealer: V12 Sports & Classics Ltd -Worksop in Worksop. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-d99ec2808e84
  • 2021 BMW 3 Series M Sport, 2.0 petrol estate, grey. Mileage: 46,311 miles. Price: £20,999, £991 less than this car. Dealer: Halliwell Jones Wilmslow BMW in Wilmslow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3fc068825827
  • 2021 BMW 3 Series M Sport, 2.0 petrol estate, black. Mileage: 47,100 miles. Price: £22,990, £1,000 more than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-013473fc06e4
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol estate, grey, 10 miles from this car. Mileage: 88,760 miles. Price: £17,795, £4,195 less than this car. Dealer: V12 Sports & Classics Ltd -Worksop in Worksop. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-c2a009257fb5

Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide

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Photos

46 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.