2020 BMW X3 M 3.0 Competition

Overview

• Make: BMW
• Model: X3 M
• Trim: Competition
• Version: 3.0 i Competition Auto 4WD Euro 6 (s/s) 5dr (503 bhp)
• Year: 2020
• Mileage: 57,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 239 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X3 M Competition has covered 57,000 miles, around 5,900 more miles than is typical for its age. The AskCar estimate for this car is £39,814. It is priced at £37,895, which is £1,919 below that estimate. The AskCar estimate uses UK dealer asking prices, including 130 BMW X3 M adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 87 days ago. Its asking price has since fallen by £3,100. The latest recorded MOT expiry date is 2 June 2026, which has passed. Confirm its status with the dealer. Its advertised mileage matches the government's MOT record. You can find this car at HK Performance in Manchester. 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: £1,919 (4%) under the AskCar estimate of £39,814.

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

A 2020 BMW X3 M with the 3.0 petrol engine is typically advertised at £39,500: the median of the 16 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 BMW X3 M has been on sale for at least 87 days.

Price history

AskCar first saw this advert on 10 August 2026 at £40,995. Its asking price is now £37,895, £3,100 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 10 August 2026: £40,995
• 28 September 2026: £39,995
• 15 October 2026: £39,990
• 28 October 2026: £37,895

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 2 June 2026; ask the dealer for the current MOT.

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

There were no advisories at the latest test.

Mileage at that test: 50,765 miles, which matches the advertised 57,000 miles.

Advertised mileage is about 5,900 miles higher than the median mileage of a 2020 BMW X3 M on AskCar.

Similar cars

13 other 2020 BMW X3 M Competition 3.0 petrol automatic SUVs are for sale at UK dealers, from £31,995 to £44,990, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW X3 M Competition, 3.0 petrol SUV, grey. Mileage: 63,000 miles. Price: £38,995, £1,100 more than this car. Dealer: CSH Performance in Elland. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-95f2224d9280
• 2020 BMW X3 M Competition, 3.0 petrol SUV, white. Mileage: 63,000 miles. Price: £39,995, £2,100 more than this car. Dealer: Empire Autos in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-612656bebaf8
• 2020 BMW X3 M Competition, 3.0 petrol SUV, black. Mileage: 64,000 miles. Price: £37,490, £405 less than this car. Dealer: German Motors in Leeds. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-6712dbd3bd46

• The nearest: 2020 BMW X3 M Competition, 3.0 petrol SUV, blue, 7 miles from this car. Mileage: 38,938 miles. Price: £38,998, £1,103 more than this car. Dealer: Arnold Clark Manchester Vauxhall in Manchester. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-ba74876be31e