2021 BMW 3 Series 2.0 M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 MHT M Sport Auto Euro 6 5dr
• Year: 2021
• Mileage: 46,093 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Colour: Blue
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 46,093 miles, this 2021 BMW 3 Series M Sport has covered about 8,700 fewer miles than other 2021 BMW 3 Series cars. The dealer is asking £22,995, which is £287 below the AskCar estimate of £23,282. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. We first saw this car advertised 72 days ago. Its asking price has since fallen by £2,005. The government's MOT record matches its advertised mileage. It is advertised by John Clark BMW Tayside in Dundee. 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: £287 (1%) under the AskCar estimate of £23,282.

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 72 days.

Price history

AskCar first saw this advert on 25 August 2026 at £25,000. Its asking price is now £22,995, £2,005 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 25 August 2026: £25,000
• 22 September 2026: £23,250
• 14 October 2026: £22,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 28 December 2026.

It failed its MOT on 29 December 2025 (electronic braking system warning device indicates a fault) and passed later the same day.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge; nearside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 39,970 miles, which matches the advertised 46,093 miles.

Advertised mileage is about 8,700 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

33 other 2021 BMW 3 Series M Sport 2.0 diesel automatic estates are for sale at UK dealers, from £13,750 to £29,950, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 diesel estate, black. Mileage: 46,292 miles. Price: £21,870, £1,125 less than this car. Dealer: Evans Halshaw Ford Coatbridge in Coatbridge. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-de91c917b398
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 46,692 miles. Price: £24,290, £1,295 more than this car. Dealer: Dick Lovett BMW Bristol in Bristol. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-30b7a51b5219
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, black. Mileage: 47,663 miles. Price: £17,999, £4,996 less than this car. Dealer: Berkeley Motor Group in Greenford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-87938ae16550

• The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel estate, white, 18 miles from this car. Mileage: 55,786 miles. Price: £22,490, £505 less than this car. Dealer: Eastern Western Motor Group Grassicks BMW in Perth. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-c1cd4a621498