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 4WD Euro 6 (s/s) 5dr Touring (187 bhp)
• Year: 2021
• Mileage: 47,910 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 138 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 47,910 miles, around 7,200 fewer miles than is typical for its age. Its asking price of £25,350 is £2,251 above the AskCar estimate of £23,099. The AskCar estimate uses UK dealer asking prices, including 6,862 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 53 days ago, and its asking price has since fallen by £1,540. Its advertised mileage matches the government's MOT record. The seller is Sytner Sheffield BMW, based in Sheffield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £2,251 (9%) over the AskCar estimate of £23,099.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 53 days.

Price history

AskCar first saw this advert on 12 September 2026 at £26,890. Its asking price is now £25,350, £1,540 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 12 September 2026: £26,890
• 7 October 2026: £26,250
• 20 October 2026: £25,750
• 1 November 2026: £25,350

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 5 January 2027.

It has had 5 MOTs. The latest, on 2 January 2026, passed.

Advisories at the latest test: offside front tyre slightly damaged/cracking or perishing cracking.

Mileage at that test: 41,066 miles, which matches the advertised 47,910 miles.

Advertised mileage is about 7,200 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

30 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 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 48,197 miles. Price: £23,499, £1,851 less than this car. Dealer: Fresh Motors in Watton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a0d90117e984
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 46,692 miles. Price: £24,290, £1,060 less than this car. Dealer: Dick Lovett BMW Bristol in Bristol. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-30b7a51b5219
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, black. Mileage: 49,135 miles. Price: £21,990, £3,360 less than this car. Dealer: Your Best Car (Bucks) in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-003f5aac586a

• The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel estate, grey, 10 miles from this car. Mileage: 111,015 miles. Price: £15,940, £9,410 less than this car. Dealer: German Motor Store in Chesterfield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-1ec326178adc