2020 BMW 3 Series 3.0 M340i
Price: £34,295. Fair price: £756 (2%) under the AskCar estimate of £35,051, 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 7 November 2026.
AskCar lists 7,202 used BMW 3 Series from 2,724 UK dealerships, as of 7 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Version: 3.0 M340i Touring Auto 4WD Euro 6 (s/s) 5dr (369 bhp)
- Year: 2020
- Mileage: 37,295 miles
- Fuel: Petrol
- Body: Estate, 5 doors, 5 seats
- Engine: 3.0 litres, 369 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 165 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 37,295 miles, this 2020 BMW 3 Series has covered about 22,000 fewer miles than other 2020 BMW 3 Series cars. The AskCar estimate for this car is £35,051. It is priced at £34,295, which is £756 below that estimate. The AskCar estimate uses UK dealer asking prices, including 6,886 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data today. The seller is Park's Motor Group Douglas Park BMW Edinburgh, based in Edinburgh. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £756 (2%) under the AskCar estimate of £35,051.
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 7 November 2026.
A 2020 BMW 3 Series with the 3.0 petrol engine is typically advertised at £28,000: the median of the 65 for sale on AskCar, as of 7 November 2026.
Time on sale
AskCar first saw this 2020 BMW 3 Series advertised today. About half of 2020 BMW 3 Series cars are gone from sale within a month of being advertised: 345 of the 721 first advertised between 7 July 2026 and 4 October 2026.
Price history
AskCar first saw this advert on 7 November 2026 at £34,295. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 22,000 miles lower 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
- Used automatic BMW 3 Series for sale
- Used petrol BMW 3 Series for sale
- Used BMW 3 Series for sale near Edinburgh
Photos
1 photo of this car is on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.