2021 BMW 3 Series 2.0 320i M Sport

Price: £15,995. Fair price: £1,135 (7%) over the AskCar estimate of £14,860, 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: 91,000 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: White
  • CO2: 146 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 91,000 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 36,200 more miles than a typical 2021 BMW 3 Series. Priced at £15,995, it is advertised £1,135 above the AskCar estimate of £14,860. 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 89 days ago. It is for sale at Rev It Up UK in Denbighshire. 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: £1,135 (7%) over the AskCar estimate of £14,860.

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 89 days.

Price history

AskCar first saw this advert on 8 August 2026 at £16,995. Its asking price is now £15,995, £1,000 less. The latest price cut was seen on 26 October 2026.

Price changes recorded:

  • 8 August 2026: £16,995
  • 8 October 2026: £16,450
  • 26 October 2026: £15,995

Mileage and MOT

Advertised mileage is about 36,200 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, black. Mileage: 91,000 miles. Price: £15,500, £495 less than this car. Dealer: Invicta Omoda Jaecoo Preston in Preston. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-e3b0a3be7c88
  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 88,796 miles. Price: £14,335, £1,660 less than this car. Dealer: Carbase Lympsham in Lympsham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-7990e9d432ea
  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 93,863 miles. Price: £14,000, £1,995 less than this car. Dealer: Junction Autopark - Winsford in Winsford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-645c5bc96690
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black, 22 miles from this car. Mileage: 47,237 miles. Price: £20,498, £4,503 more than this car. Dealer: Arnold Clark Liverpool Motorstore / MG / Chery in Liverpool. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-4471e912266d

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

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Photos

18 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.