2020 BMW 3 Series 3.0 M340i
Version: 3.0 M340i Touring Auto 4WD Euro 6 (s/s) 5dr (369 bhp)
Price: £27,250. Fair price: £1,107 (4%) over the AskCar estimate of £26,143, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,718 priced BMW 3 Series adverts on AskCar as of 31 October 2026.
AskCar lists 6,973 used BMW 3 Series from 2,626 UK dealerships, as of 31 October 2026.
Overview
- Make
- BMW
- Model
- 3 Series
- Version
- 3.0 M340i Touring Auto 4WD Euro 6 (s/s) 5dr (369 bhp)
- Mileage
- 78,000 miles
- Year
- 2020
- Fuel type
- Petrol
- Body type
- Estate
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 369 bhp
- Seats
- 5
- CO2
- 165 g/km
- Colour
- Grey
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Engine badge
- M340i
- Emissions standard
- Euro 6
About this car
This 2020 BMW 3 Series has covered 78,000 miles, around 18,800 more miles than is typical for its age. Priced at £27,250, it is advertised £1,107 above the AskCar estimate of £26,143. To work out the AskCar estimate, we analyse UK dealer adverts for 6,718 BMW 3 Series cars across different ages and specifications. It first appeared in our advert records today. MOT records show an expiry date of 21 October 2027, and the latest recorded mileage is consistent with the advert. You can find this car at Convent Motors in Ashford.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £27,250 |
Price and mileage comparison
Fair price: £1,107 (4%) over the AskCar estimate of £26,143.
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 6,718 priced BMW 3 Series adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 18,800 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 21 October 2027. 78,262 miles at the last test.
Other matching cars
23 other 2020 BMW 3 Series automatic petrol cars are for sale at UK dealers from £24,795 to £39,800, as of 31 October 2026.
The 5 cheapest:
- 2020 BMW 3 Series. Price: £24,795. Mileage: 76,580 miles. Dealer: Motors For Less in Bradford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-9346caf27021
- 2020 BMW 3 Series. Price: £24,990. Mileage: 74,000 miles. Dealer: Rovia Cars in Waltham Cross. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-9d3c23f6c20d
- 2020 BMW 3 Series. Price: £25,000. Mileage: 73,779 miles. Dealer: Invicta Chery Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-dcbb71e20498
- 2020 BMW 3 Series. Price: £25,990. Mileage: 64,170 miles. Dealer: Drakes Garage (Shiptonthorpe) in Market Weighton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-43d5bda35570
- 2020 BMW 3 Series. Price: £26,950. Mileage: 73,000 miles. Dealer: Arbat Motors in Bexleyheath. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-ba94af4c985b
The 23 matching cars have covered 18,000 to 76,580 miles, compared with 78,000 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BMW 3 Series cars for sale · 2020 BMW 3 Series price guide
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Photos
31 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.