2020 BMW 3 Series 3.0 M340i
Price: £26,950. Fair price: £431 (1%) over the AskCar estimate of £26,519, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,864 priced BMW 3 Series adverts on AskCar as of 10 November 2026.
AskCar lists 7,127 used BMW 3 Series from 2,713 UK dealerships, as of 10 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Version: 3.0 M340i Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
- Year: 2020
- Mileage: 73,000 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 3.0 litres, 369 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 162 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 73,000 miles, this 2020 BMW 3 Series has covered about 13,800 more miles than other 2020 BMW 3 Series cars. Its asking price of £26,950 is £431 above the AskCar estimate of £26,519. The AskCar estimate draws on 6,864 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 48 days ago. Its asking price has since fallen by £1,000. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arbat Motors, based in Bexleyheath. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 10 November 2026.
Arbat Motors is rated 4.9 out of 5 on Google.
Price
Fair price: £431 (1%) over the AskCar estimate of £26,519.
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 6,864 priced BMW 3 Series adverts across different ages and specifications, as of 10 November 2026.
A 2020 BMW 3 Series with the 3.0 petrol engine is typically advertised at £27,800: the median of the 61 for sale on AskCar, as of 10 November 2026.
Time on sale
This 2020 BMW 3 Series has been on sale for at least 48 days.
Price history
AskCar first saw this advert on 23 September 2026 at £27,950. Its asking price is now £26,950, £1,000 less. The latest price cut was seen on 28 October 2026.
Price changes recorded:
- 23 September 2026: £27,950
- 12 October 2026: £27,450
- 28 October 2026: £26,950
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 22 September 2027.
It has had 6 MOTs. The latest, on 23 September 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 72,357 miles, which matches the advertised 73,000 miles.
Advertised mileage is about 13,800 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
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Photos
74 photos of this car are on its AskCar page.
As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.