2021 BMW 3 Series 2.0 320i M Sport

Price: £17,990. Fair price: £198 (1%) under the AskCar estimate of £18,188, 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 320i M Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)
  • Year: 2021
  • Mileage: 64,800 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 146 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 64,800 miles, this 2021 BMW 3 Series M Sport has covered about 10,000 more miles than other 2021 BMW 3 Series cars. The AskCar estimate for this car is £18,188. It is priced at £17,990, which is £198 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. The asking price is now £1,000 lower than when we first recorded the advert 153 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is S James Prestige, based in Stamford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £198 (1%) under the AskCar estimate of £18,188.

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 153 days.

Price history

AskCar first saw this advert on 5 June 2026 at £18,990. Its asking price is now £17,990, £1,000 less. The latest price cut was seen on 28 August 2026.

Price changes recorded:

  • 5 June 2026: £18,990
  • 14 July 2026: £18,490
  • 28 August 2026: £17,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 10 June 2027.

It has had 6 MOTs. The latest, on 11 June 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge 2mm.

Mileage at that test: 64,781 miles, which matches the advertised 64,800 miles.

Advertised mileage is about 10,000 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

146 other 2021 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £14,000 to £26,950, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 65,119 miles. Price: £16,995, £995 less than this car. Dealer: Bridgend Ford in Bridgend. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a0165691f276
  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 64,163 miles. Price: £18,399, £409 more than this car. Dealer: Stratstone Bmw Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-6a54dbe4f0b5
  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 64,000 miles. Price: £18,300, £310 more than this car. Dealer: Car Valley in Redbridge. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-88a5464df34d
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white, under a mile from this car. Mileage: 34,300 miles. Price: £21,250, £3,260 more than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-05fc549b938f

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

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Photos

21 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.