2021 BMW 3 Series 3.0 M340i MHT
Price: £22,995. Good value: £3,984 (14%) under the AskCar estimate of £26,979, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,906 priced BMW 3 Series adverts on AskCar as of 12 November 2026.
AskCar lists 7,172 used BMW 3 Series from 2,715 UK dealerships, as of 12 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Version: 3.0 M340i MHT Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
- Year: 2021
- Mileage: 68,678 miles
- Fuel: Petrol, mild hybrid
- Body: Saloon, 4 doors, 5 seats
- Engine: 3.0 litres, 369 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 176 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 BMW 3 Series is advertised with 68,678 miles, approximately 14,100 above the typical mileage for its age. The AskCar estimate for this car is £26,979. It is priced at £22,995, which is £3,984 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,906 BMW 3 Series cars across different ages and specifications. We have tracked this advert for 1 day. It is advertised by MB Motor Group in Bradford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 12 November 2026.
Price
Good value: £3,984 (14%) under the AskCar estimate of £26,979.
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 6,906 priced BMW 3 Series adverts across different ages and specifications, as of 12 November 2026.
A 2021 BMW 3 Series with the 3.0 petrol engine is typically advertised at £28,400: the median of the 154 for sale on AskCar, as of 12 November 2026.
Time on sale
AskCar first saw this 2021 BMW 3 Series advertised 1 day ago. About half of 2021 BMW 3 Series cars are gone from sale within a month of being advertised: 457 of the 981 first advertised between 12 July 2026 and 9 October 2026.
Price history
AskCar first saw this advert on 11 November 2026 at £22,995. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 14,100 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.
Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide
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Photos
26 photos of this car are on its AskCar page.
As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.