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: 27,124 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 27,124 miles, this 2021 BMW 3 Series M Sport has covered about 27,700 fewer miles than other 2021 BMW 3 Series cars. The AskCar estimate for this car is £22,889. It is priced at £21,956, which is £933 below that estimate. The AskCar estimate uses 6,897 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 56 days ago, and its asking price has since fallen by £136. Its advertised mileage matches the government's MOT record. The seller is Bentley Motor Group, based in Keighley. 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: £933 (4%) under the AskCar estimate of £22,889.

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 56 days.

Price history

AskCar first saw this advert on 10 September 2026 at £22,092. Its asking price is now £21,956, £136 less. The latest price cut was seen on 17 October 2026.

Price changes recorded:

• 10 September 2026: £22,092
• 17 October 2026: £21,956

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 11 August 2027.

It has had 3 MOTs. The latest, on 5 August 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge wearing on outer edge; offside rear tyre worn close to legal limit/worn on edge worn to depth indicator.

Mileage at that test: 26,633 miles, which matches the advertised 27,124 miles.

Advertised mileage is about 27,700 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: 27,050 miles. Price: £21,633, £323 less than this car. Dealer: Bowker BMW Preston in Preston. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-4a9e90755562
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 27,200 miles. Price: £23,990, £2,034 more than this car. Dealer: Harvey Cooper Cars in Ripon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-41b162f94a8c
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 27,320 miles. Price: £23,495, £1,539 more than this car. Dealer: V12 Sports & Classics Ltd -Worksop in Worksop. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-bd13162028a1

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white, 9 miles from this car. Mileage: 30,651 miles. Price: £20,995, £961 less than this car. Dealer: W R Cars in Bradford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-e1be059c5ae5