2020 BMW 3 Series 3.0 M340d Sport
Price: £27,000. Above the going rate: £2,432 (9%) over the AskCar estimate of £24,568, 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
- Trim: Sport
- Version: 3.0 M340d Sport Auto 4WD Euro 6 4dr (335 bhp)
- Year: 2020
- Mileage: 52,001 miles
- Fuel: Diesel
- Body: Saloon, 4 doors, 5 seats
- Engine: 3.0 litres, 335 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Blue
- CO2: 159 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 52,001 miles on the clock, this 2020 BMW 3 Series Sport has done roughly 6,400 fewer miles than a typical 2020 BMW 3 Series. Its asking price of £27,000 is £2,432 above the AskCar estimate of £24,568. 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 7 days ago. The seller is Sytner Cardiff BMW, based in Cardiff. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 14 November 2026.
Sytner Cardiff BMW is rated 4.4 out of 5 on Google.
Price
Above the going rate: £2,432 (9%) over the AskCar estimate of £24,568.
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
This 2020 BMW 3 Series has been on sale for at least 7 days.
Price history
AskCar first saw this advert on 7 November 2026 at £27,000. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 6,400 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.
Similar cars
1 other 2020 BMW 3 Series Sport 3.0 diesel automatic saloon is for sale at UK dealers, as of 14 November 2026.
The closest to this car in mileage:
- 2020 BMW 3 Series Sport, 3.0 diesel saloon, white. Mileage: 37,604 miles. Price: £23,990, £3,010 less than this car. Dealer: Car City UK Catterick in Catterick. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-742d95d2cff2
Browse all BMW 3 Series cars for sale · 2020 BMW 3 Series price guide
More like this
- Used BMW 3 Series Sport prices
- Used BMW 3 Series for sale under £30,000
- Used automatic BMW 3 Series for sale
- Used diesel BMW 3 Series for sale
- Used BMW 3 Series for sale near Cardiff
Photos
21 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.