2021 BMW 3 Series 2.0 320i M Sport

Price: £17,020. Fair price: £1,369 (7%) under the AskCar estimate of £18,389, 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: 63,377 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

At 63,377 miles, this 2021 BMW 3 Series M Sport has covered about 8,500 more miles than other 2021 BMW 3 Series cars. Its asking price of £17,020 is £1,369 below the AskCar estimate of £18,389. The AskCar estimate uses 6,897 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 15 days ago, and its asking price has since fallen by £190. Its advertised mileage matches the government's MOT record. The seller is Evans Halshaw Citroen Hull, based in Hull. 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: £1,369 (7%) under the AskCar estimate of £18,389.

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 15 days.

Price history

AskCar first saw this advert on 21 October 2026 at £17,210. Its asking price is now £17,020, £190 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

  • 21 October 2026: £17,210
  • 27 October 2026: £17,130
  • 3 November 2026: £17,020

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 30 July 2027.

It has had 4 MOTs. The latest, on 30 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 61,779 miles, which matches the advertised 63,377 miles.

Advertised mileage is about 8,500 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, white. Mileage: 62,859 miles. Price: £18,399, £1,379 more than this car. Dealer: H.P.L. Motors - Oldham (Greater Manchester) in Oldham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-256341625360
  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 64,000 miles. Price: £18,300, £1,280 more than this car. Dealer: Car Valley in Redbridge. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-88a5464df34d
  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 64,163 miles. Price: £18,399, £1,379 more than this car. Dealer: Stratstone Bmw Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-6a54dbe4f0b5
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue, under a mile from this car. Mileage: 46,530 miles. Price: £19,590, £2,570 more than this car. Dealer: Evans Halshaw Omoda Jaecoo Hull in Hessle. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-caf5c8652167

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

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Photos

27 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.