2020 BMW X3 3.0 M40d MHT

Overview

• Make: BMW
• Model: X3
• Version: 3.0 M40d MHT Auto 4WD Euro 6 (s/s) 5dr (335 bhp)
• Year: 2020
• Mileage: 65,000 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 180 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X3 is advertised with 65,000 miles, approximately 13,000 above the typical mileage for its age. Its asking price of £29,980 is £1,398 above the AskCar estimate of £28,582. The AskCar estimate uses UK dealer asking prices, including 3,033 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 57 days ago. Its asking price has since fallen by £2,000. Our records show an MOT expiry date of 5 November 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. It is advertised by Oakdene Collection in Alfreton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,398 (4%) over the AskCar estimate of £28,582.

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 3,033 priced BMW X3 adverts across different ages and specifications, as of 8 November 2026.

A 2020 BMW X3 with the 3.0 diesel engine is typically advertised at £30,000: the median of the 29 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2020 BMW X3 has been on sale for at least 57 days.

Price history

AskCar first saw this advert on 12 September 2026 at £31,980. Its asking price is now £29,980, £2,000 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 12 September 2026: £31,980
• 25 September 2026: £31,940
• 3 October 2026: £31,480
• 9 October 2026: £30,980
• 16 October 2026: £30,940
• 20 October 2026: £30,780
• 22 October 2026: £30,480
• 30 October 2026: £30,440
• 5 November 2026: £30,480
• 6 November 2026: £29,980

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: the latest record we hold ran out on 5 November 2026; ask the dealer for the current MOT.

It failed its MOT on 15 October 2025 (offside front tyre has a cut in excess of the requirements deep enough to reach the ply or cords; nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed 1 day later, on 16 October 2025.

There were no advisories at the latest test.

Mileage at that test: 59,044 miles, which matches the advertised 65,000 miles.

Advertised mileage is about 13,000 miles higher than the median mileage of a 2020 BMW X3 on AskCar.