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 (s/s) 4dr (187 bhp)
• Year: 2021
• Mileage: 81,496 miles
• Fuel: Diesel, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 81,496 miles, around 26,700 more miles than is typical for its age. Its asking price of £17,798 is £245 above the AskCar estimate of £17,553. The AskCar estimate draws on 6,822 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 10 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Arnold Clark Stoke-on-Trent Vauxhall / Peugeot / Vanstore in Stoke on Trent. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £245 (1%) over the AskCar estimate of £17,553.

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 6,822 priced BMW 3 Series adverts across different ages and specifications, as of 8 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 10 days.

Price history

AskCar first saw this advert on 29 October 2026 at £17,798. 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 8 November 2026: valid until 29 May 2027.

It has had 4 MOTs. The latest, on 26 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 76,561 miles, which matches the advertised 81,496 miles.

Advertised mileage is about 26,700 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 £12,700 to £25,495, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 80,000 miles. Price: £17,750, the same price as this car. Dealer: PMA Cars NI in Newry. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-710722457db2
• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 80,000 miles. Price: £17,995, £197 more than this car. Dealer: Ilex Car Sales in Limavady. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-0c07b048caed
• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 83,092 miles. Price: £16,995, £803 less than this car. Dealer: Magna Motor Group in Warrington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-8ddb171dcb59

• The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel saloon, black, 24 miles from this car. Mileage: 48,000 miles. Price: £20,995, £3,197 more than this car. Dealer: Top Tier Autos in Cheadle. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-67de26e40fa9