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 RWD Euro 6 5dr Step (281 bhp)
• Year: 2021
• Mileage: 56,000 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 281 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 56,000 miles. The AskCar estimate for this car is £23,239. It is priced at £22,950, which is £289 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,886 BMW 3 Series cars across different ages and specifications. We first recorded this advert 15 days ago, and its asking price has since fallen by £49. Its advertised mileage matches the government's MOT record. You can find this car at Charles Hurst Usedirect Portadown in Belfast. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £289 (1%) under the AskCar estimate of £23,239.

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 6,886 priced BMW 3 Series adverts across different ages and specifications, as of 7 November 2026.

A 2021 BMW 3 Series with the 3.0 diesel engine is typically advertised at £28,300: the median of the 148 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 15 days.

Price history

AskCar first saw this advert on 23 October 2026 at £22,999. Its asking price is now £22,950, £49 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 23 October 2026: £22,999
• 6 November 2026: £22,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 29 June 2027.

It has had 3 MOTs. The latest, on 11 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 53,228 miles, which matches the advertised 56,000 miles.

Advertised mileage is about 900 miles higher 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 £18,400 to £28,890, as of 7 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: £23,400, £450 more 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, white. Mileage: 44,238 miles. Price: £25,799, £2,849 more than this car. Dealer: Williams Bolton Bmw in Bolton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-5656f6fa2a65
• 2021 BMW 3 Series M Sport, 3.0 diesel estate, black. Mileage: 69,074 miles. Price: £24,942, £1,992 more than this car. Dealer: Ocean Plymouth in Plymouth. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-22df3f34c741

• The nearest: 2021 BMW 3 Series M Sport, 3.0 diesel estate, black, 142 miles from this car. Mileage: 31,935 miles. Price: £27,495, £4,545 more than this car. Dealer: Simpson Motors in Dunfermline. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-66271d365b22