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 4WD Euro 6 4dr (181 bhp)
• Year: 2021
• Mileage: 31,460 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 31,460 miles, this 2021 BMW 3 Series M Sport has covered about 23,400 fewer miles than other 2021 BMW 3 Series cars. The dealer is asking £22,370, which is £977 below the AskCar estimate of £23,347. 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 saw this car advertised 85 days ago. Its asking price has since fallen by £879. The government's MOT record matches its advertised mileage. You can find this car at Carsa Cannock in Cannock Chase. 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: £977 (4%) under the AskCar estimate of £23,347.

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 85 days.

Price history

AskCar first saw this advert on 12 August 2026 at £23,249. Its asking price is now £22,370, £879 less. The latest price cut was seen on 26 August 2026.

Price changes recorded:

• 12 August 2026: £23,249
• 25 August 2026: £22,544
• 26 August 2026: £22,370

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 9 July 2027.

It has had 3 MOTs. The latest, on 10 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 30,063 miles, which matches the advertised 31,460 miles.

Advertised mileage is about 23,400 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: 31,500 miles. Price: £22,399, the same price as this car. Dealer: Lookers BMW Stafford in Stafford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-adfe708c5ca3
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 31,312 miles. Price: £20,949, £1,421 less than this car. Dealer: Motorpoint Burnley in Burnley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-2688e420b9cf
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 31,097 miles. Price: £21,298, £1,072 less than this car. Dealer: Eastern Western Motor Group Car Deal Warehouse Superstore Newbridge in Edinburgh. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-912205e40b58

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black, 7 miles from this car. Mileage: 60,340 miles. Price: £19,695, £2,675 less than this car. Dealer: V12 Sports & Classics Ltd - Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-efe710a59a1f