2021 BMW 3 Series 2.0 330i M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 330i M Sport Auto RWD Euro 6 4dr (254 bhp)
• Year: 2021
• Mileage: 57,833 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 148 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport is advertised with 57,833 miles, approximately 2,700 above the typical mileage for its age. The AskCar estimate for this car is £21,426. It is priced at £20,998, which is £428 below that estimate. The AskCar estimate draws on 6,862 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert today. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Stirling Volvo / GWM / BYD, based in Stirling. 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

Fair price: £428 (2%) under the AskCar estimate of £21,426.

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

AskCar first saw this 2021 BMW 3 Series advertised today. About half of 2021 BMW 3 Series cars are gone from sale within a month of being advertised: 418 of the 887 first advertised between 10 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £20,998. 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 4 November 2026: valid until 29 October 2027.

It has had 6 MOTs. The latest, on 30 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 57,838 miles, which matches the advertised 57,833 miles.

Advertised mileage is about 2,700 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 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 57,967 miles. Price: £19,895, £1,103 less than this car. Dealer: Motor Range Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3b10cd0945db
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 57,523 miles. Price: £17,190, £3,808 less than this car. Dealer: Evans Halshaw Omoda Jaecoo Gainsborough in Gainsborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-61e2708f9866
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 57,094 miles. Price: £18,899, £2,099 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