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: 37,000 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

This 2021 BMW 3 Series M Sport is advertised with 37,000 miles, approximately 17,800 below the typical mileage for its age. Its asking price of £24,490 is £151 above the AskCar estimate of £24,339. The AskCar estimate uses 6,897 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 21 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Stratus in Hook. 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: £151 (under 1%) over the AskCar estimate of £24,339.

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 21 days.

Price history

AskCar first saw this advert on 15 October 2026 at £24,490. 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 5 November 2026: valid until 16 August 2027.

It failed its MOT on 3 August 2026 (offside front tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed 1 day later, on 4 August 2026.

There were no advisories at the latest test.

Mileage at that test: 37,095 miles, which matches the advertised 37,000 miles.

Advertised mileage is about 17,800 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, black. Mileage: 37,248 miles. Price: £21,950, £2,540 less than this car. Dealer: M B Cars London in St Albans. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-d165e6eb854a
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, orange. Mileage: 37,499 miles. Price: £21,444, £3,046 less than this car. Dealer: Dick Lovett Porsche Centre Swindon in Swindon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3f68d7d6d114
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 36,500 miles. Price: £21,890, £2,600 less than this car. Dealer: Oakley Prestige in Newbury. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-42d9f16dcbb0

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black, 3 miles from this car. Mileage: 54,437 miles. Price: £20,499, £3,991 less than this car. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3a2e12458c14