2021 BMW 3 Series 2.0 M Sport

Price: £18,990. Fair price: £908 (5%) over the AskCar estimate of £18,082, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,902 priced BMW 3 Series adverts on AskCar as of 6 November 2026.

AskCar lists 7,204 used BMW 3 Series from 2,726 UK dealerships, as of 6 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 MHT M Sport Auto RWD Euro 6 4dr
  • Year: 2021
  • Mileage: 64,000 miles
  • Fuel: Diesel, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 121 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 64,000 miles, this 2021 BMW 3 Series M Sport has covered about 8,900 more miles than other 2021 BMW 3 Series cars. The AskCar estimate for this car is £18,082. It is priced at £18,990, which is £908 above that estimate. The AskCar estimate uses 6,902 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 8 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Dawn Motors in Canterbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £908 (5%) over the AskCar estimate of £18,082.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 8 days.

Price history

AskCar first saw this advert on 29 October 2026 at £17,990. Its asking price is now £18,990, £1,000 more.

Price changes recorded:

  • 29 October 2026: £17,990
  • 30 October 2026: £18,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 7 June 2027.

It has had 3 MOTs. The latest, on 8 June 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge; offside front outer tyre has a cut but not deep enough to reach the ply or cords.

Mileage at that test: 62,975 miles, which matches the advertised 64,000 miles.

Advertised mileage is about 8,900 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

59 other 2021 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £12,700 to £25,995, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 63,507 miles. Price: £20,500, £1,510 more than this car. Dealer: Eakin Brothers in Londonderry. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-4301f7100f0b
  • 2021 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 63,000 miles. Price: £18,995, the same price as this car. Dealer: House Of Motors in Romford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-9b4e92fdc195
  • 2021 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 65,142 miles. Price: £20,999, £2,009 more than this car. Dealer: MINI UK at Cotswold Hereford in Hereford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-ae6712f0ed9d
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel saloon, grey, 3 miles from this car. Mileage: 75,000 miles. Price: £18,980, the same price as this car. Dealer: Kent Vehicles in Herne Common. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-db1edad3a28a

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

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Photos

33 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.