2021 BMW 3 Series 2.0 M SPORT

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 M Sport Auto
• Year: 2021
• Mileage: 39,000 miles
• Fuel: Hybrid (petrol)
• Engine: 2.0 litres
• Gearbox: Automatic
• Colour: Blue
• CO2: 146 g/km

About this car

At 39,000 miles, this 2021 BMW 3 Series M Sport has covered about 15,800 fewer miles than other 2021 BMW 3 Series cars. Priced at £20,990, it is advertised £1,459 below the AskCar estimate of £22,449. 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 161 days ago. Its asking price has since fallen by £1,000. The latest recorded MOT expiry date is 29 September 2026, which has passed. Confirm its status with the dealer. Its advertised mileage matches the government's MOT record. The seller is Dorset Sports Cars, based in Wimborne. 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: £1,459 (6%) under the AskCar estimate of £22,449.

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 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £21,990. Its asking price is now £20,990, £1,000 less. The latest price cut was seen on 13 August 2026.

Price changes recorded:

• 28 May 2026: £21,990
• 13 August 2026: £20,990

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 29 September 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 13 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 39,096 miles, which matches the advertised 39,000 miles.

Advertised mileage is about 15,800 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.