2020 BMW X3 3.0 M40d

Overview

• Make: BMW
• Model: X3
• Version: 3.0 M40d Auto 4WD Euro 6 (s/s) 5dr (322 bhp)
• Year: 2020
• Mileage: 65,295 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 322 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X3 is advertised with 65,295 miles, approximately 13,700 above the typical mileage for its age. The dealer is asking £25,499, which is £2,296 below the AskCar estimate of £27,795. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 107 days, and its asking price has been cut by £2,500. Its advertised mileage matches the government's MOT record. The seller is Halliwell Jones Warrington BMW, based in Warrington. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Good value: £2,296 (8%) under the AskCar estimate of £27,795.

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 2,992 priced BMW X3 adverts across different ages and specifications, as of 2 November 2026.

A 2020 BMW X3 with the 3.0 diesel engine is typically advertised at £30,200: the median of the 35 for sale on AskCar, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2020 BMW X3 has been on sale for at least 107 days, and its asking price has been cut by £2,500. About 6 in 10 of 2020 BMW X3 cars are gone from sale within a month of being advertised: 125 of the 226 first advertised between 11 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 18 July 2026 at £27,999. Its asking price is now £25,499, £2,500 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 18 July 2026: £27,999
• 8 August 2026: £27,499
• 30 August 2026: £26,999
• 14 October 2026: £26,799
• 24 October 2026: £25,859
• 29 October 2026: £25,768
• 31 October 2026: £25,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 26 March 2027.

It has had 6 MOTs. The latest, on 9 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 60,155 miles, which matches the advertised 65,295 miles.

Advertised mileage is about 13,700 miles higher than the median mileage of a 2020 BMW X3 on AskCar.