2021 BMW 3 Series 2.0 320i M Sport

Price: £23,899. Fair price: £598 (2%) over the AskCar estimate of £23,301, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,864 priced BMW 3 Series adverts on AskCar as of 10 November 2026.

AskCar lists 7,127 used BMW 3 Series from 2,713 UK dealerships, as of 10 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: 23,585 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

This 2021 BMW 3 Series M Sport is advertised with 23,585 miles, approximately 31,100 below the typical mileage for its age. Priced at £23,899, it is advertised £598 above the AskCar estimate of £23,301. The AskCar estimate uses UK dealer asking prices, including 6,864 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 9 days ago. Its asking price has since fallen by £100. The government's MOT record matches its advertised mileage. You can find this car at Lookers BMW Stoke-On-Trent in Stoke on Trent. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Lookers BMW Stoke-On-Trent is rated 4.5 out of 5 on Google.

Price

Fair price: £598 (2%) over the AskCar estimate of £23,301.

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 6,864 priced BMW 3 Series adverts across different ages and specifications, as of 10 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 9 days.

Price history

AskCar first saw this advert on 1 November 2026 at £23,999. Its asking price is now £23,899, £100 less. The latest price cut was seen on 10 November 2026.

Price changes recorded:

  • 1 November 2026: £23,999
  • 10 November 2026: £23,899

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 21 June 2027.

It has had 3 MOTs. The latest, on 22 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 21,977 miles, which matches the advertised 23,585 miles.

Advertised mileage is about 31,100 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

143 other 2021 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £13,750 to £27,698, as of 10 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 23,100 miles. Price: £21,495, £2,404 less than this car. Dealer: Next Drive Motorz in Oldham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-8ead9b25be79
  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 24,255 miles. Price: £25,975, £2,076 more than this car. Dealer: Group 1 Borehamwood BMW in Borehamwood. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-98bfeab328b7
  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 22,891 miles. Price: £23,352, £547 less than this car. Dealer: Halliwell Jones Warrington BMW in Warrington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-72595b264e0a
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black, 4 miles from this car. Mileage: 67,000 miles. Price: £19,350, £4,549 less than this car. Dealer: Mylson Stoke in Newcastle-under-Lyme. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-e8907af7781b

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

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Photos

41 photos of this car are on its AskCar page.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.