2021 BMW 3 Series 2.0 320d M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320d M Sport Auto RWD Euro 6 (s/s) 5dr Touring (187 bhp)
• Year: 2021
• Mileage: 52,235 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 52,235 miles, this 2021 BMW 3 Series M Sport has covered about 2,400 fewer miles than other 2021 BMW 3 Series cars. The AskCar estimate for this car is £21,967. It is priced at £21,499, which is £468 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,814 BMW 3 Series cars across different ages and specifications. The asking price is now £500 lower than when we first recorded the advert 22 days ago. It is for sale at Fresh Motors in Thetford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £468 (2%) under the AskCar estimate of £21,967.

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 6,814 priced BMW 3 Series adverts across different ages and specifications, as of 9 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 22 days.

Price history

AskCar first saw this advert on 18 October 2026 at £21,999. Its asking price is now £21,499, £500 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 18 October 2026: £21,999
• 7 November 2026: £21,499

Mileage and MOT

Advertised mileage is about 2,400 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 £29,950, as of 9 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 54,180 miles. Price: £22,498, £999 more than this car. Dealer: Arnold Clark Armadale Citroen Leapmotor Vanstore in Armadale. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-47d501d10cbc
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 55,141 miles. Price: £24,995, £3,496 more than this car. Dealer: Motorvana in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a1364fcdb94b
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, black. Mileage: 49,135 miles. Price: £21,990, £491 more 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, under a mile from this car. Mileage: 28,192 miles. Price: £24,999, £3,500 more than this car. Dealer: Fresh Motors in Watton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-4de77df75324