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: 54,180 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 54,180 miles. The AskCar estimate for this car is £22,128. It is priced at £22,498, which is £370 above that estimate. The AskCar estimate draws on 6,897 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 9 days. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Armadale Citroen Leapmotor Vanstore, based in Armadale. 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: £370 (1%) over the AskCar estimate of £22,128.

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 9 days.

Price history

AskCar first saw this advert on 27 October 2026 at £22,498. 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 5 November 2026: valid until 22 October 2027.

It has had 4 MOTs. The latest, on 23 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 54,192 miles, which matches the advertised 54,180 miles.

Advertised mileage is about 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, blue. Mileage: 55,141 miles. Price: £24,995, £2,497 more than this car. Dealer: Motorvana in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a1364fcdb94b
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 55,538 miles. Price: £19,900, £2,598 less than this car. Dealer: Evans Halshaw Hyundai Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-cd3139f14089
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 55,786 miles. Price: £22,490, the same price as this car. Dealer: Eastern Western Motor Group Grassicks BMW in Perth. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-c1cd4a621498

• The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel estate, black, 12 miles from this car. Mileage: 46,292 miles. Price: £21,870, £628 less than this car. Dealer: Evans Halshaw Ford Coatbridge in Coatbridge. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-de91c917b398