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 RWD Euro 6 (s/s) 4dr (181 bhp)
• Year: 2021
• Mileage: 56,900 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport is advertised with 56,900 miles, approximately 2,100 above the typical mileage for its age. Its asking price of £18,995 is £231 below the AskCar estimate of £19,226. The AskCar estimate uses 6,897 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 122 days ago, and its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Auto Bazaa in Enfield. 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: £231 (1%) under the AskCar estimate of £19,226.

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 122 days.

Price history

AskCar first saw this advert on 6 July 2026 at £19,995. Its asking price is now £18,995, £1,000 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 6 July 2026: £19,995
• 20 August 2026: £19,495
• 5 November 2026: £18,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 18 November 2026.

It failed its MOT on 19 November 2025 (offside headlamp aim too high) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 48,059 miles, which matches the advertised 56,900 miles.

Advertised mileage is about 2,100 miles higher 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, black. Mileage: 57,094 miles. Price: £18,899, £96 less than this car. Dealer: Eastern Western Motor Group Car Deal Warehouse Stirling in Stirling. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-2b6d4f121f3f
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 56,286 miles. Price: £18,955, the same price as this car. Dealer: Hippo Motor Group Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-093977257541
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 56,280 miles. Price: £19,999, £1,004 more than this car. Dealer: Ron Skinner & Sons (Tredegar) in Tredegar. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-ac8a6962b702

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white, under a mile from this car. Mileage: 29,000 miles. Price: £22,495, £3,500 more than this car. Dealer: Auto Bazaa in Enfield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-dad18b5273bb