2020 BMW 3 Series 3.0 M340d MHT
Price: £26,990. Above the going rate: £2,753 (11%) over the AskCar estimate of £24,237, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,886 priced BMW 3 Series adverts on AskCar as of 14 November 2026.
AskCar lists 7,157 used BMW 3 Series from 2,692 UK dealerships, as of 14 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Version: 3.0 M340d MHT Auto 4WD Euro 6 (s/s) 4dr (335 bhp)
- Year: 2020
- Mileage: 75,130 miles
- Fuel: Diesel, mild hybrid
- Body: Saloon, 4 doors, 5 seats
- Engine: 3.0 litres, 335 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 160 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 75,130 miles, this 2020 BMW 3 Series has covered about 16,700 more miles than other 2020 BMW 3 Series cars. Priced at £26,990, it is advertised £2,753 above the AskCar estimate of £24,237. The AskCar estimate draws on 6,886 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 2 days ago. The seller is Monaco Motorsports, based in Bolton. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 14 November 2026.
Monaco Motorsports is rated 4.9 out of 5 on Google.
Price
Above the going rate: £2,753 (11%) over the AskCar estimate of £24,237.
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 14 November 2026.
A 2020 BMW 3 Series with the 3.0 diesel engine is typically advertised at £27,800: the median of the 65 for sale on AskCar, as of 14 November 2026.
Time on sale
AskCar first saw this 2020 BMW 3 Series advertised 2 days ago. About half of 2020 BMW 3 Series cars are gone from sale within a month of being advertised: 365 of the 779 first advertised between 14 July 2026 and 11 October 2026.
Price history
AskCar first saw this advert on 12 November 2026 at £26,990. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 16,700 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.
Browse all BMW 3 Series cars for sale · 2020 BMW 3 Series price guide
More like this
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Photos
36 photos of this car are on its AskCar page.
As of 14 November 2026, AskCar lists 600,711 cars and vans from 12,770 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.