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: 50,631 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 148 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 50,631 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 4,500 fewer miles than a typical 2021 BMW 3 Series. The AskCar estimate for this car is £22,366. It is priced at £22,390, which is £24 above that estimate. The AskCar estimate uses 6,862 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 82 days ago. Its asking price has since fallen by £510. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is MINI UK at Stratstone Hull, based in Hull. 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: £24 (under 1%) over the AskCar estimate of £22,366.

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 82 days.

Price history

AskCar first saw this advert on 14 August 2026 at £22,900. Its asking price is now £22,390, £510 less. The latest price cut was seen on 17 September 2026.

Price changes recorded:

• 14 August 2026: £22,900
• 17 September 2026: £22,290
• 2 October 2026: £22,390

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 June 2027.

It has had 4 MOTs. The latest, on 25 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 50,357 miles, which matches the advertised 50,631 miles.

Advertised mileage is about 4,500 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 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 50,512 miles. Price: £19,995, £2,395 less than this car. Dealer: Group 1 Hailsham BMW in Hailsham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-4dd71b613bfd
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 50,948 miles. Price: £23,000, £610 more than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-4f09b36cb499
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 51,581 miles. Price: £18,325, £4,065 less than this car. Dealer: Grange. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-5712d3a146bb

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white, 4 miles from this car. Mileage: 63,377 miles. Price: £17,020, £5,370 less than this car. Dealer: Evans Halshaw Citroen Hull in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-256b9c38dad8