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: 6,823 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

At 6,823 miles, this 2021 BMW 3 Series M Sport has covered about 47,400 fewer miles than other 2021 BMW 3 Series cars. Its asking price of £28,000 is £155 below the AskCar estimate of £28,155. The AskCar estimate draws on 6,886 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 today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Stevenage BMW, based in Stevenage. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 14 November 2026.

How we estimate prices and check cars

Price

Fair price: £155 (under 1%) under the AskCar estimate of £28,155.

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 6,886 priced BMW 3 Series adverts across different ages and specifications, as of 14 November 2026.

Time on sale

AskCar first saw this 2021 BMW 3 Series advertised today. About half of 2021 BMW 3 Series cars are gone from sale within a month of being advertised: 457 of the 981 first advertised between 14 July 2026 and 11 October 2026.

Price history

AskCar first saw this advert on 14 November 2026 at £28,000. 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 14 November 2026: valid until 24 September 2027.

It failed its MOT on 23 September 2026 (electronic stability control warning lamp indicates a fault; offside front tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed 2 days later, on 25 September 2026.

There were no advisories at the latest test.

Mileage at that test: 6,813 miles, which matches the advertised 6,823 miles.

Advertised mileage is about 47,400 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 £27,495, as of 14 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 15,500 miles. Price: £23,999, £4,001 less than this car. Dealer: HPL Stockport in Stockport. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-fd281daf5c61
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 25,645 miles. Price: £27,495, £505 less than this car. Dealer: Park's Motor Group Douglas Park BMW Stirling in Stirling. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-c2035ab00343
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 27,430 miles. Price: £26,950, £1,050 less than this car. Dealer: Stratstone Bmw Harrogate in Harrogate. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-8800a472eb03

• The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel estate, white, 11 miles from this car. Mileage: 87,499 miles. Price: £16,989, £11,011 less than this car. Dealer: The Hertford Car Company in Hertford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-d93819a03e68