2021 BMW 3 Series 2.0 318d MHT M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 318d MHT M Sport Auto RWD Euro 6 (s/s) 5dr Touring (148 bhp)
• Year: 2021
• Mileage: 15,500 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 15,500 miles, around 39,300 fewer miles than is typical for its age. The AskCar estimate for this car is £23,966. It is priced at £23,999, which is £33 above that estimate. 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 155 days ago, the asking price has dropped by £1,000. Its advertised mileage matches the government's MOT record. The seller is HPL Stockport, based in Stockport. 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: £33 (under 1%) over the AskCar estimate of £23,966.

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 155 days.

Price history

AskCar first saw this advert on 3 June 2026 at £24,999. Its asking price is now £23,999, £1,000 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 3 June 2026: £24,999
• 30 October 2026: £23,999

Mileage and MOT

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

It has had 2 MOTs. The latest, on 6 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 13,653 miles, which matches the advertised 15,500 miles.

Advertised mileage is about 39,300 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: 25,645 miles. Price: £27,495, £3,496 more 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: £29,950, £5,951 more than this car. Dealer: Stratstone Bmw Harrogate in Harrogate. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-8800a472eb03
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 27,496 miles. Price: £23,999, the same price as this car. Dealer: Fresh Motors in Watton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-bc96f46a083f

• The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel estate, blue, 3 miles from this car. Mileage: 55,141 miles. Price: £24,995, £996 more than this car. Dealer: Motorvana in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a1364fcdb94b