2020 BMW 3 Series 3.0 M340i Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: Sport
• Version: 3.0 M340i Sport Auto 4WD Euro 6 4dr (368 bhp)
• Year: 2020
• Mileage: 24,500 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 368 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 185 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series Sport has covered 24,500 miles, around 35,500 fewer miles than is typical for its age. Priced at £34,995, it is advertised £148 below the AskCar estimate of £35,143. The AskCar estimate uses 6,902 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 15 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Cubitt Cars in Bingley. 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: £148 (under 1%) under the AskCar estimate of £35,143.

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 6,902 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 15 days.

Price history

AskCar first saw this advert on 22 October 2026 at £34,995. 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 8 June 2027.

It has had 5 MOTs. The latest, on 11 May 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 23,990 miles, which matches the advertised 24,500 miles.

Advertised mileage is about 35,500 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

12 other 2020 BMW 3 Series Sport 3.0 petrol automatic saloons are for sale at UK dealers, from £26,495 to £37,950, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series Sport, 3.0 petrol saloon, grey. Mileage: 24,728 miles. Price: £33,985, £1,010 less than this car. Dealer: Stratstone Bmw Doncaster in Doncaster. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-5a609f2e913b
• 2020 BMW 3 Series Sport, 3.0 petrol saloon, blue. Mileage: 28,650 miles. Price: £31,995, £3,000 less than this car. Dealer: Ned Potter in Hereford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-252864b41ab9
• 2020 BMW 3 Series Sport, 3.0 petrol saloon, grey. Mileage: 29,600 miles. Price: £33,500, £1,495 less than this car. Dealer: Sytner Chigwell BMW in Chigwell. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-1be5efb77807

• The nearest: 2020 BMW 3 Series Sport, 3.0 petrol saloon, grey, 11 miles from this car. Mileage: 46,500 miles. Price: £31,995, £3,000 less than this car. Dealer: Riviera Automotive in Cleckheaton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-bcb0f484d05e