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: 38,400 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 38,400 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 16,700 fewer miles than a typical 2021 BMW 3 Series. Priced at £23,900, it is advertised £82 below the AskCar estimate of £23,982. To work out the AskCar estimate, we analyse UK dealer adverts for 6,886 BMW 3 Series cars across different ages and specifications. We first saw this car advertised 16 days ago. Its asking price has since fallen by £100. The government's MOT record matches its advertised mileage. You can find this car at nucar in Basildon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £82 (under 1%) under the AskCar estimate of £23,982.

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 6,886 priced BMW 3 Series adverts across different ages and specifications, as of 7 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 16 days.

Price history

AskCar first saw this advert on 22 October 2026 at £24,000. Its asking price is now £23,900, £100 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 22 October 2026: £24,000
• 7 November 2026: £23,900

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 1 October 2027.

It failed its MOT on 23 September 2026 (rear brake pad(s) worn down to wear indicator; central rear seat belt buckle not functioning as intended; nearside front headlamp aim projected beam image is obviously incorrect; and 2 more) and passed 9 days later, on 2 October 2026.

Advisories at the latest test: windscreen wiper blade defective; nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge; and 4 more.

Mileage at that test: 37,840 miles, which matches the advertised 38,400 miles.

Advertised mileage is about 16,700 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

142 other 2021 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £13,750 to £25,975, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 38,128 miles. Price: £21,299, £2,601 less than this car. Dealer: Lookers BMW Stoke-On-Trent in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-05fe836b37fa
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 38,861 miles. Price: £20,525, £3,375 less than this car. Dealer: West Riding Hyundai Colne in Colne. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-d135d62e9363
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 37,775 miles. Price: £19,499, £4,401 less than this car. Dealer: H.P.L. Motors - Oldham (Greater Manchester) in Oldham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a603ddeda3d1

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black, 10 miles from this car. Mileage: 42,440 miles. Price: £21,000, £2,900 less than this car. Dealer: Sytner Harold Wood BMW in Harold Wood. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-6ecaa41ba5d9