2021 BMW 3 Series 2.0 320i M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320i M Sport Auto 4WD Euro 6 4dr (181 bhp)
• Year: 2021
• Mileage: 42,558 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport is advertised with 42,558 miles, approximately 12,300 below the typical mileage for its age. Its asking price of £20,850 is £1,003 below the AskCar estimate of £21,853. The AskCar estimate uses UK dealer asking prices, including 6,897 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 70 days ago. Its asking price has since fallen by £145. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Norwich Van Centre, based in Norwich. 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: £1,003 (4%) under the AskCar estimate of £21,853.

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 70 days.

Price history

AskCar first saw this advert on 27 August 2026 at £20,995. Its asking price is now £20,850, £145 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 27 August 2026: £20,995
• 30 August 2026: £22,995
• 10 September 2026: £21,995
• 20 September 2026: £20,985
• 22 September 2026: £22,985
• 26 September 2026: £21,250
• 2 October 2026: £20,985
• 30 October 2026: £21,250
• 5 November 2026: £20,850

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 3 March 2027.

It has had 4 MOTs. The latest, on 4 March 2026, passed.

Advisories at the latest test: front brake pad(s) wearing thin.

Mileage at that test: 42,548 miles, which matches the advertised 42,558 miles.

Advertised mileage is about 12,300 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

146 other 2021 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £14,000 to £26,950, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 42,445 miles. Price: £23,499, £2,649 more than this car. Dealer: Albans Motors in Hatfield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3ff59c7cd785
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 42,440 miles. Price: £21,000, £150 more than this car. Dealer: Sytner Harold Wood BMW in Harold Wood. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-8b1b2b00655d
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 42,772 miles. Price: £20,490, £360 less than this car. Dealer: Lloyd Colne BMW in Colne. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-29e51ca83ee4

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue, 62 miles from this car. Mileage: 33,143 miles. Price: £20,499, £351 less than this car. Dealer: Motorpoint Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3fa39139f8a3