2021 BMW 3 Series 2.0 320d MHT M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320d MHT M Sport Auto RWD Euro 6 5dr (187 bhp)
• Year: 2021
• Mileage: 46,292 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 46,292 miles, around 8,500 fewer miles than is typical for its age. Its asking price of £21,870 is £1,323 below the AskCar estimate of £23,193. The AskCar estimate uses 6,897 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 13 days ago, the asking price has dropped by £560. We checked its advertised mileage against the government's MOT record, and they match. The seller is Evans Halshaw Ford Coatbridge, based in Coatbridge. 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: £1,323 (5%) under the AskCar estimate of £23,193.

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 13 days.

Price history

AskCar first saw this advert on 23 October 2026 at £22,430. Its asking price is now £21,870, £560 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 23 October 2026: £22,430
• 27 October 2026: £22,250
• 3 November 2026: £21,870

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 18 September 2027.

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

There were no advisories at the latest test.

Mileage at that test: 45,530 miles, which matches the advertised 46,292 miles.

Advertised mileage is about 8,500 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, blue. Mileage: 46,093 miles. Price: £22,995, £1,125 more than this car. Dealer: John Clark BMW Tayside in Dundee. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-548c703fec05
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 46,692 miles. Price: £24,290, £2,420 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, £3,871 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, grey, 12 miles from this car. Mileage: 54,180 miles. Price: £22,498, £628 more than this car. Dealer: Arnold Clark Armadale Citroen Leapmotor Vanstore in Armadale. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-47d501d10cbc