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: 70,000 miles
• Fuel: Diesel, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Colour: Grey
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 70,000 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 14,900 more miles than a typical 2021 BMW 3 Series. Its asking price of £19,999 is £1,251 above the AskCar estimate of £18,748. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. This car was first seen in our listings data 27 days ago. The latest recorded MOT expiry date is 16 October 2026, which has passed. Confirm its status with the dealer. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by J R R Cars in Chorley. 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: £1,251 (6%) over the AskCar estimate of £18,748.

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 27 days.

Price history

AskCar first saw this advert on 8 October 2026 at £19,999. 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 4 November 2026: the latest record we hold ran out on 16 October 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 17 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 51,220 miles, which matches the advertised 70,000 miles.

Advertised mileage is about 14,900 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 £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, white. Mileage: 69,996 miles. Price: £18,890, £1,109 less than this car. Dealer: Lookers in Belfast. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a713dcba75ec
• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 70,694 miles. Price: £18,998, £1,001 less than this car. Dealer: Arnold Clark Oldbury Fiat / Motorstore / Jeep / Abarth / BYD in Oldbury. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-dfb7529875cd
• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 71,089 miles. Price: £19,799, £200 less than this car. Dealer: Wearside Autoparc in Sunderland. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3fc30d62e984

• The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel saloon, grey, 2 miles from this car. Mileage: 36,233 miles. Price: £20,995, £996 more than this car. Dealer: TF Car Centre in Euxton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-dbfa2cd553ed