2021 BMW 3 Series 2.0 M Sport

Price: £22,000. Fair price: £1,020 (4%) over the AskCar estimate of £20,980, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,814 priced BMW 3 Series adverts on AskCar as of 9 November 2026.

AskCar lists 7,087 used BMW 3 Series from 2,693 UK dealerships, as of 9 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 MHT M Sport Auto Euro 6 4dr
  • Year: 2021
  • Mileage: 54,001 miles
  • Fuel: Diesel, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres
  • Gearbox: Automatic
  • Colour: White
  • CO2: 129 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2021 BMW 3 Series M Sport is 54,001 miles. Its asking price of £22,000 is £1,020 above the AskCar estimate of £20,980. The AskCar estimate draws on 6,814 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 2 days ago. The government's MOT record matches its advertised mileage. You can find this car at Sytner Chigwell BMW in Loughton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Sytner Chigwell BMW is rated 4.4 out of 5 on Google.

Price

Fair price: £1,020 (4%) over the AskCar estimate of £20,980.

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 6,814 priced BMW 3 Series adverts across different ages and specifications, as of 9 November 2026.

Time on sale

AskCar first saw this 2021 BMW 3 Series advertised 2 days ago. About half of 2021 BMW 3 Series cars are gone from sale within a month of being advertised: 442 of the 945 first advertised between 10 July 2026 and 6 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £22,000. 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 9 November 2026: valid until 14 March 2027.

It has had 3 MOTs. The latest, on 16 February 2026, passed.

Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt; offside rear tyre worn close to legal limit/worn on edge across tread pattern, advise replacement; offside rear tyre slightly damaged/cracking or perishing on edges of tread pattern, advise replacement; and 1 more.

Mileage at that test: 50,886 miles, which matches the advertised 54,001 miles.

Advertised mileage is about 600 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

58 other 2021 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £12,700 to £25,495, as of 9 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 54,000 miles. Price: £20,975, £1,025 less than this car. Dealer: Players Cars in Leeds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-5d9741ee9737
  • 2021 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 55,541 miles. Price: £20,560, £1,440 less than this car. Dealer: Vehicle Select in Bolton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-23eb7030c018
  • 2021 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 56,000 miles. Price: £20,000, £2,000 less than this car. Dealer: Praters in Leighton Buzzard. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-42a6035914dc
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel saloon, white, 6 miles from this car. Mileage: 46,653 miles. Price: £18,288, £3,712 less than this car. Dealer: The Car Traders London in Romford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-4b6251382427

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

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As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.