2021 BMW 3 Series 2.0 M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 MHT M Sport Auto Euro 6 5dr
• Year: 2021
• Mileage: 88,801 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Colour: Grey
• CO2: 130 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 88,801 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 34,000 more miles than a typical 2021 BMW 3 Series. The dealer is asking £17,995, which is £834 above the AskCar estimate of £17,161. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. The asking price is now £1,000 lower than when we first recorded the advert 64 days ago. Its advertised mileage matches the government's MOT record. The seller is A1 Auto Solutions, based in Maidenhead. 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: £834 (4%) over the AskCar estimate of £17,161.

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 64 days.

Price history

AskCar first saw this advert on 2 September 2026 at £18,995. Its asking price is now £17,995, £1,000 less. The latest price cut was seen on 17 October 2026.

Price changes recorded:

• 2 September 2026: £18,995
• 7 October 2026: £18,495
• 17 October 2026: £17,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 27 May 2027.

It has had 7 MOTs. The latest, on 28 May 2026, passed.

Advisories at the latest test: offside front track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt; nearside front seat belt webbing slightly damaged or frayed.

Mileage at that test: 86,485 miles, which matches the advertised 88,801 miles.

Advertised mileage is about 34,000 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

33 other 2021 BMW 3 Series M Sport 2.0 diesel automatic estates are for sale at UK dealers, from £13,750 to £29,950, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 90,000 miles. Price: £15,995, £2,000 less than this car. Dealer: Jefferies Farm Car Sales in Billingshurst. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-5ec33771a27b
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 87,499 miles. Price: £17,489, £506 less than this car. Dealer: The Hertford Car Company in Hertford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-d93819a03e68
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 94,000 miles. Price: £18,990, £995 more than this car. Dealer: Rosso Performance in Leeds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-7514a3a6323c

• The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel estate, black, 5 miles from this car. Mileage: 49,135 miles. Price: £21,990, £3,995 more than this car. Dealer: Your Best Car (Bucks) in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-003f5aac586a