2021 BMW 3 Series 3.0 330d MHT M Sport
Price: £23,995. Fair price: £925 (4%) over the AskCar estimate of £23,070, 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: 65,524 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 65,524 miles, around 10,400 more miles than is typical for its age. The AskCar estimate for this car is £23,070. It is priced at £23,995, which is £925 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. The asking price is now £1,000 lower than when we first recorded the advert 44 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Hartlepool Motor Company, based in Hartlepool. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £925 (4%) over the AskCar estimate of £23,070.
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 44 days.
Price history
AskCar first saw this advert on 23 September 2026 at £24,995. Its asking price is now £23,995, £1,000 less. The latest price cut was seen on 20 October 2026.
Price changes recorded:
- 23 September 2026: £24,995
- 20 October 2026: £23,995
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 27 August 2027.
It has had 5 MOTs. The latest, on 19 August 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 65,153 miles, which matches the advertised 65,524 miles.
Advertised mileage is about 10,400 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, white. Mileage: 72,000 miles. Price: £23,950, the same price as this car. Dealer: M J Motors in Belfast. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-2bcedfdd0e76
- 2021 BMW 3 Series M Sport, 3.0 diesel saloon, black. Mileage: 56,200 miles. Price: £22,990, £1,005 less than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-0b2ad93fecb7
- 2021 BMW 3 Series M Sport, 3.0 diesel saloon, black. Mileage: 54,028 miles. Price: £25,194, £1,199 more than this car. Dealer: Phoenix Cars in Winchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-efcfe966352c
- The nearest: 2021 BMW 3 Series M Sport, 3.0 diesel saloon, blue, 73 miles from this car. Mileage: 34,405 miles. Price: £23,850, £145 less than this car. Dealer: Stoneacre Hull Mazda/Suzuki in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-2c9b88001a2b
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 Middlesbrough
Photos
35 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.