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: 44,200 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

With 44,200 miles on the clock, this 2020 BMW 3 Series Sport has done roughly 15,800 fewer miles than a typical 2020 BMW 3 Series. Priced at £30,300, it is advertised £1,149 below the AskCar estimate of £31,449. The AskCar estimate uses UK dealer asking prices, including 6,902 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 37 days ago, and its asking price has since fallen by £1,200. Its advertised mileage matches the government's MOT record. You can find this car at Redgate Lodge in Newcastle Upon Tyne. 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: £1,149 (3%) under the AskCar estimate of £31,449.

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 37 days.

Price history

AskCar first saw this advert on 30 September 2026 at £31,500. Its asking price is now £30,300, £1,200 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 30 September 2026: £31,500
• 16 October 2026: £31,000
• 21 October 2026: £30,500
• 6 November 2026: £30,300

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 16 June 2027.

It failed its MOT on 9 June 2026 (nearside front lower suspension component ball joint excessively worn) and passed 8 days later, on 17 June 2026.

There were no advisories at the latest test.

Mileage at that test: 43,399 miles, which matches the advertised 44,200 miles.

Advertised mileage is about 15,800 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: 43,853 miles. Price: £31,890, £1,590 more than this car. Dealer: Walkers Of Selby in Selby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-3c61fb36c98d
• 2020 BMW 3 Series Sport, 3.0 petrol saloon, grey. Mileage: 46,500 miles. Price: £31,995, £1,695 more than this car. Dealer: Riviera Automotive in Cleckheaton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-bcb0f484d05e
• 2020 BMW 3 Series Sport, 3.0 petrol saloon, grey. Mileage: 53,000 miles. Price: £32,495, £2,195 more than this car. Dealer: Fitzroy Motor Co in Ringwood. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b547d4a47a6b

• The nearest: 2020 BMW 3 Series Sport, 3.0 petrol saloon, grey, 82 miles from this car. Mileage: 24,500 miles. Price: £34,995, £4,695 more than this car. Dealer: Cubitt Cars in Bingley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-bec1d8bbf66f