2020 BMW 3 Series 3.0 M340i

Overview

• Make: BMW
• Model: 3 Series
• Version: 3.0 M340i Touring Auto 4WD Euro 6 (s/s) 5dr (369 bhp)
• Year: 2020
• Mileage: 73,439 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 369 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 165 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series is advertised with 73,439 miles, approximately 13,400 above the typical mileage for its age. The dealer is asking £27,991, which is £367 above the AskCar estimate of £27,624. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. The asking price is now £1,009 lower than when we first recorded the advert 112 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Newton and Lee Automotive in Consett. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £367 (1%) over the AskCar estimate of £27,624.

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 112 days.

Price history

AskCar first saw this advert on 17 July 2026 at £29,000. Its asking price is now £27,991, £1,009 less. The latest price cut was seen on 7 October 2026.

Price changes recorded:

• 18 July 2026: £29,000
• 22 July 2026: £30,000
• 15 August 2026: £29,000
• 7 October 2026: £27,991

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 31 March 2027.

It has had 4 MOTs. The latest, on 1 April 2026, passed.

Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt; front brake pad(s) wearing thin; rear brake pad(s) wearing thin.

Mileage at that test: 71,218 miles, which matches the advertised 73,439 miles.

Advertised mileage is about 13,400 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.