2021 BMW 3 Series 3.0 330d MHT M Sport
Price: £23,950. Above the going rate: £2,002 (9%) over the AskCar estimate of £21,948, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,902 priced BMW 3 Series adverts on AskCar as of 6 November 2026.
AskCar lists 7,204 used BMW 3 Series from 2,726 UK dealerships, as of 6 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Trim: M Sport
- Version: 3.0 330d MHT M Sport Auto 4WD Euro 6 (s/s) 4dr (282 bhp)
- Year: 2021
- Mileage: 72,000 miles
- Fuel: Diesel, mild hybrid
- Body: Saloon, 4 doors, 5 seats
- Engine: 3.0 litres, 282 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: White
- CO2: 146 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 BMW 3 Series M Sport has covered 72,000 miles, around 16,900 more miles than is typical for its age. The AskCar estimate for this car is £21,948. It is priced at £23,950, which is £2,002 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. We first recorded this car for sale 36 days ago. The government's MOT record matches its advertised mileage. You can find this car at M J Motors in Belfast. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Above the going rate: £2,002 (9%) over the AskCar estimate of £21,948.
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 36 days.
Price history
AskCar first saw this advert on 1 October 2026 at £23,950. 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 12 February 2027.
It has had one MOT, on 13 February 2025, and passed.
There were no advisories at the latest test.
Mileage at that test: 48,848 miles, which matches the advertised 72,000 miles.
Advertised mileage is about 16,900 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.
Similar cars
9 other 2021 BMW 3 Series M Sport 3.0 diesel automatic saloons are for sale at UK dealers, from £17,700 to £26,250, as of 6 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW 3 Series M Sport, 3.0 diesel saloon, grey. Mileage: 77,786 miles. Price: £23,495, £455 less than this car. Dealer: Top Cars Telford in Dawley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3c9d9b22a88e
- 2021 BMW 3 Series M Sport, 3.0 diesel saloon, white. Mileage: 65,524 miles. Price: £23,995, the same price as this car. Dealer: Hartlepool Motor Company in Hartlepool. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-b630305b899f
- 2021 BMW 3 Series M Sport, 3.0 diesel saloon, black. Mileage: 56,200 miles. Price: £22,990, £960 less than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-0b2ad93fecb7
Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide
More like this
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- Used BMW 3 Series for sale near Belfast
Photos
33 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.