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: 34,314 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

With 34,314 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 20,500 fewer miles than a typical 2021 BMW 3 Series. The dealer is asking £20,799, which is £1,197 below the AskCar estimate of £21,996. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. Since we first spotted the advert 26 days ago, the asking price has dropped by £1,250. Our latest MOT record expired on 10 October 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Motorpoint Newport, based in Newport. 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: £1,197 (5%) under the AskCar estimate of £21,996.

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 26 days.

Price history

AskCar first saw this advert on 10 October 2026 at £22,049. Its asking price is now £20,799, £1,250 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 10 October 2026: £22,049
• 13 October 2026: £20,749
• 15 October 2026: £20,949
• 24 October 2026: £20,849
• 31 October 2026: £20,799

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 10 October 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 9 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 22,390 miles, which matches the advertised 34,314 miles.

Advertised mileage is about 20,500 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 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 34,300 miles. Price: £21,250, £451 more than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-05fc549b938f
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 34,278 miles. Price: £21,199, £400 more than this car. Dealer: Motorpoint Oldbury in Oldbury. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-fee4b6de3163
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 34,100 miles. Price: £21,950, £1,151 more than this car. Dealer: M B Cars London in St Albans. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-507da5e20e47

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue, 13 miles from this car. Mileage: 70,370 miles. Price: £19,250, £1,549 less than this car. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-0308fdaa6b61