2021 BMW 3 Series 2.0 320i M Sport

Price: £21,549. Fair price: £1,118 (4%) under the AskCar estimate of £22,667, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,886 priced BMW 3 Series adverts on AskCar as of 7 November 2026.

AskCar lists 7,202 used BMW 3 Series from 2,724 UK dealerships, as of 7 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: 28,982 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 146 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 28,982 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 26,200 fewer miles than a typical 2021 BMW 3 Series. Its asking price of £21,549 is £1,118 below the AskCar estimate of £22,667. The AskCar estimate draws on 6,886 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Motorpoint Derby, based in Derby. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,118 (4%) under the AskCar estimate of £22,667.

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 6,886 priced BMW 3 Series adverts across different ages and specifications, as of 7 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: 436 of the 925 first advertised between 10 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £21,549. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 27 August 2027.

It has had 4 MOTs. The latest, on 20 August 2026, passed.

Advisories at the latest test: offside front tyre slightly damaged/cracking or perishing; rear brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 27,523 miles, which matches the advertised 28,982 miles.

Advertised mileage is about 26,200 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

142 other 2021 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £13,750 to £25,975, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 29,000 miles. Price: £22,495, £946 more than this car. Dealer: Auto Bazaa in Enfield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-dad18b5273bb
  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 29,000 miles. Price: £23,995, £2,446 more than this car. Dealer: Goldstone Cars in Kempston. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-8df7528481e4
  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 28,806 miles. Price: £21,488, £61 less than this car. Dealer: CarSupermarket.com Barnsley in Barnsley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-2ef6031a7abe
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue, under a mile from this car. Mileage: 39,637 miles. Price: £22,799, £1,250 more than this car. Dealer: Motorpoint Derby in Derby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-973459fcda58

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

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Photos

45 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.