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: 64,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 64,000 miles, around 9,200 more miles than is typical for its age. The dealer is asking £18,300, the same as the AskCar estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. We first recorded this advert 21 days ago, and its asking price has since fallen by £200. The government's MOT record matches its advertised mileage. You can find this car at Car Valley in Woodford Green. 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: the same as the AskCar estimate of £18,300.

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 £18,500. Its asking price is now £18,300, £200 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 15 October 2026: £18,500
• 23 October 2026: £18,300

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 1 May 2027.

It failed its MOT on 20 April 2026 (nearside rear brake pad(s) less than 1.5 mm thick; rear brake pad(s) worn down to wear indicator) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 57,536 miles, which matches the advertised 64,000 miles.

Advertised mileage is about 9,200 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 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 64,163 miles. Price: £18,399, £99 more than this car. Dealer: Stratstone Bmw Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-6a54dbe4f0b5
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 63,377 miles. Price: £17,020, £1,280 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
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 64,800 miles. Price: £17,990, £310 less than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a2d320d1dc39

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue, 6 miles from this car. Mileage: 72,595 miles. Price: £17,350, £950 less than this car. Dealer: SKV Motors in Romford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-57a338fb67b5