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: 56,011 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 56,011 miles. Its asking price of £23,190 is £1,302 above the AskCar estimate of £21,888. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. We first recorded this car for sale 1 day ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone BMW Bury St Edmunds, based in Bury St Edmunds. 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: £1,302 (5%) over the AskCar estimate of £21,888.

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

AskCar first saw this 2021 BMW 3 Series advertised 1 day ago. About half of 2021 BMW 3 Series cars are gone from sale within a month of being advertised: 429 of the 907 first advertised between 10 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £23,190. 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 4 March 2027.

It has had 3 MOTs. The latest, on 26 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 52,034 miles, which matches the advertised 56,011 miles.

Advertised mileage is about 1,200 miles higher 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, white. Mileage: 55,786 miles. Price: £22,490, £700 less than this car. Dealer: Eastern Western Motor Group Grassicks BMW in Perth. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-c1cd4a621498
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 55,538 miles. Price: £19,900, £3,290 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, blue. Mileage: 55,141 miles. Price: £24,995, £1,805 more than this car. Dealer: Motorvana in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a1364fcdb94b

• The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel estate, grey, 22 miles from this car. Mileage: 28,192 miles. Price: £24,999, £1,809 more than this car. Dealer: Fresh Motors in Watton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-4de77df75324