2020 BMW X3 3.0 30d M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 3.0 30d M Sport Auto 4WD Euro 6 (s/s) 5dr (261 bhp)
• Year: 2020
• Mileage: 37,687 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X3 M Sport has covered 37,687 miles, around 14,400 fewer miles than is typical for its age. The AskCar estimate for this car is £28,287. It is priced at £27,995, which is £292 below that estimate. The AskCar estimate uses UK dealer asking prices, including 3,076 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 146 days ago. Its asking price has since fallen by £2,000. Our latest MOT record expired on 22 October 2026. Check the current position with the dealer. Its advertised mileage matches the government's MOT record. You can find this car at Hamptons of Surrey in Farnham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £292 (1%) under the AskCar estimate of £28,287.

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 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 November 2026.

A 2020 BMW X3 with the 3.0 diesel engine is typically advertised at £30,500: the median of the 31 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 BMW X3 has been on sale for at least 146 days.

Price history

AskCar first saw this advert on 12 June 2026 at £29,995. Its asking price is now £27,995, £2,000 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 7 July 2026: £29,995
• 13 July 2026: £28,995
• 22 October 2026: £27,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 22 October 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 13 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 32,877 miles, which matches the advertised 37,687 miles.

Advertised mileage is about 14,400 miles lower than the median mileage of a 2020 BMW X3 on AskCar.

Similar cars

7 other 2020 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £22,490 to £29,400, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 32,314 miles. Price: £29,400, £1,405 more than this car. Dealer: John Clark BMW Aberdeen in Aberdeen. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-fd01b5971560
• 2020 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 45,613 miles. Price: £27,499, £496 less than this car. Dealer: HPL Preston in Preston. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-453ab0dc1be7
• 2020 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 52,264 miles. Price: £24,495, £3,500 less than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-e31eb4e1dea0

• The nearest: 2020 BMW X3 M Sport, 3.0 diesel SUV, black, 16 miles from this car. Mileage: 53,400 miles. Price: £24,950, £3,045 less than this car. Dealer: J.A. Jarvis in Fernhurst. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-e092cb035a89