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: 69,323 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 is advertised with 69,323 miles, approximately 9,300 above the typical mileage for its age. The dealer is asking £26,495, which is £155 below the AskCar estimate of £26,650. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. We first recorded this advert 49 days ago, and its asking price has since fallen by £500. Its advertised mileage matches the government's MOT record. You can find this car at Penguin Cars in Shrewsbury. 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: £155 (under 1%) under the AskCar estimate of £26,650.

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 49 days.

Price history

AskCar first saw this advert on 18 September 2026 at £26,995. Its asking price is now £26,495, £500 less. The latest price cut was seen on 8 October 2026.

Price changes recorded:

• 18 September 2026: £26,995
• 8 October 2026: £26,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 28 April 2027.

It has had 5 MOTs. The latest, on 23 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 63,345 miles, which matches the advertised 69,323 miles.

Advertised mileage is about 9,300 miles higher 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 £27,950 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: 66,990 miles. Price: £27,950, £1,455 more than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-71d3b011b00e
• 2020 BMW 3 Series Sport, 3.0 petrol saloon, black. Mileage: 56,834 miles. Price: £30,699, £4,204 more than this car. Dealer: Lookers BMW Stoke-On-Trent in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-67e78443d43c
• 2020 BMW 3 Series Sport, 3.0 petrol saloon, grey. Mileage: 53,000 miles. Price: £32,495, £6,000 more than this car. Dealer: Fitzroy Motor Co in Ringwood. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b547d4a47a6b