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: 32,920 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport is advertised with 32,920 miles, approximately 22,200 below the typical mileage for its age. Priced at £21,799, it is advertised £1,350 below the AskCar estimate of £23,149. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. The asking price is now £1,200 lower than when we first recorded the advert 71 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Lookers BMW Stafford, based in Stafford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,350 (5%) under the AskCar estimate of £23,149.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 71 days.

Price history

AskCar first saw this advert on 25 August 2026 at £22,999. Its asking price is now £21,799, £1,200 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 25 August 2026: £22,999
• 3 September 2026: £23,199
• 8 September 2026: £22,999
• 15 September 2026: £22,899
• 17 September 2026: £22,499
• 21 September 2026: £22,999
• 29 September 2026: £22,699
• 4 October 2026: £22,799
• 6 October 2026: £22,599
• 11 October 2026: £22,399
• 17 October 2026: £21,999
• 25 October 2026: £21,899
• 4 November 2026: £21,799

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 29 June 2027.

It has had 3 MOTs. The latest, on 22 June 2026, passed.

Advisories at the latest test: nearside front tyre has a cut but not deep enough to reach the ply or cords; rear brake pad(s) wearing thin.

Mileage at that test: 31,101 miles, which matches the advertised 32,920 miles.

Advertised mileage is about 22,200 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 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 33,143 miles. Price: £20,499, £1,300 less than this car. Dealer: Motorpoint Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3fa39139f8a3
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 33,352 miles. Price: £23,995, £2,196 more than this car. Dealer: Dick Lovett BMW Hungerford in Hungerford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-571d0052193d
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 33,800 miles. Price: £21,495, £304 less than this car. Dealer: Vertu BMW Exeter in Exeter. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-fbdf98ae1ed1

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white, under a mile from this car. Mileage: 31,500 miles. Price: £22,399, £600 more than this car. Dealer: Lookers BMW Stafford in Stafford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-adfe708c5ca3