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 4dr
• Year: 2021
• Mileage: 41,999 miles
• Fuel: Diesel, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Colour: White
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport is advertised with 41,999 miles, approximately 13,200 below the typical mileage for its age. Priced at £20,989, it is advertised £1,557 below the AskCar estimate of £22,546. The AskCar estimate draws on 6,862 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 160 days ago. Its asking price has since fallen by £1,500. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Essex Prestige in Harlow. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,557 (6%) under the AskCar estimate of £22,546.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £22,489. Its asking price is now £20,989, £1,500 less. The latest price cut was seen on 15 September 2026.

Price changes recorded:

• 28 May 2026: £22,489
• 4 July 2026: £21,989
• 25 August 2026: £21,489
• 15 September 2026: £20,989

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 27 April 2027.

It has had 4 MOTs. The latest, on 28 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 40,499 miles, which matches the advertised 41,999 miles.

Advertised mileage is about 13,200 miles lower 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 £13,500 to £25,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 42,721 miles. Price: £22,495, £1,506 more than this car. Dealer: The Plough Garage in Farnham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-fd61162fcce3
• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 42,850 miles. Price: £25,449, £4,460 more than this car. Dealer: Paragon Cars London in Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-2b043aa67e19
• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 41,000 miles. Price: £24,995, £4,006 more than this car. Dealer: A C G Motors in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-cc6202b2ebe0

• The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel saloon, blue, 5 miles from this car. Mileage: 66,000 miles. Price: £20,989, the same price as this car. Dealer: Herts And Essex Motor Company in Hoddesdon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-9aca27c0790c