2021 BMW 3 Series 3.0 330d MHT M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 3.0 330d MHT M Sport Auto Euro 6 5dr (281 bhp)
• Year: 2021
• Mileage: 44,238 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 281 bhp
• Gearbox: Automatic
• Colour: White
• CO2: 143 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport is advertised with 44,238 miles, approximately 10,900 below the typical mileage for its age. Its asking price of £25,799 is £966 below the AskCar estimate of £26,765. The AskCar estimate uses 6,902 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 9 days. Its advertised mileage matches the government's MOT record. The seller is Williams Bolton Bmw, based in Bolton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £966 (3%) under the AskCar estimate of £26,765.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

A 2021 BMW 3 Series with the 3.0 diesel engine is typically advertised at £28,500: the median of the 146 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 9 days.

Price history

AskCar first saw this advert on 28 October 2026 at £25,799. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 24 August 2027.

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

There were no advisories at the latest test.

Mileage at that test: 41,976 miles, which matches the advertised 44,238 miles.

Advertised mileage is about 10,900 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

7 other 2021 BMW 3 Series M Sport 3.0 diesel automatic estates are for sale at UK dealers, from £18,700 to £28,890, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 3.0 diesel estate, black. Mileage: 51,535 miles. Price: £23,900, £1,899 less than this car. Dealer: Sytner Select Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-c68d85eabdc6
• 2021 BMW 3 Series M Sport, 3.0 diesel estate, black. Mileage: 56,000 miles. Price: £22,950, £2,849 less than this car. Dealer: Charles Hurst Usedirect Portadown in Belfast. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-1807564595f5
• 2021 BMW 3 Series M Sport, 3.0 diesel estate, black. Mileage: 31,935 miles. Price: £27,495, £1,696 more than this car. Dealer: Simpson Motors in Dunfermline. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-66271d365b22

• The nearest: 2021 BMW 3 Series M Sport, 3.0 diesel estate, white, 59 miles from this car. Mileage: 27,127 miles. Price: £28,890, £3,091 more than this car. Dealer: Stratstone Derby BMW in Derby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-de5f2dfe675d