2020 BMW 3 Series 3.0 M340i
Price: £27,795. Good value: £2,643 (8%) under the AskCar estimate of £30,438, 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
- Version: 3.0 M340i Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
- Year: 2020
- Mileage: 53,000 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 3.0 litres, 369 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: White
- CO2: 162 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 BMW 3 Series is advertised with 53,000 miles, approximately 7,000 below the typical mileage for its age. The AskCar estimate for this car is £30,438. It is priced at £27,795, which is £2,643 below 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. We have tracked this advert for 30 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at NYA Auto Sales in Oldbury. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Good value: £2,643 (8%) under the AskCar estimate of £30,438.
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 2020 BMW 3 Series with the 3.0 petrol engine is typically advertised at £28,000: the median of the 63 for sale on AskCar, as of 6 November 2026.
Time on sale
This 2020 BMW 3 Series has been on sale for at least 30 days.
Price history
AskCar first saw this advert on 7 October 2026 at £27,795. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 9 March 2027.
It has had 5 MOTs. The latest, on 2 March 2026, passed.
Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge 3mm.
Mileage at that test: 52,156 miles, which matches the advertised 53,000 miles.
Advertised mileage is about 7,000 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
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Photos
4 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.