2020 BMW X4 M 3.0 Competition

Overview

• Make: BMW
• Model: X4 M
• Trim: Competition
• Version: 3.0 i Competition Auto 4WD Euro 6 (s/s) 5dr (503 bhp)
• Year: 2020
• Mileage: 31,065 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 X4 M Competition is advertised with 31,065 miles, approximately 5,200 below the typical mileage for its age. Priced at £39,995, it is advertised £2,700 below the AskCar estimate of £42,695. The AskCar estimate draws on 86 BMW X4 M adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 68 days ago, the asking price has dropped by £1,000. Our records show an MOT expiry date of 28 July 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. You can find this car at Agnew Group Bavarian BMW in Belfast. 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: £2,700 (6%) under the AskCar estimate of £42,695.

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 86 priced BMW X4 M adverts across different ages and specifications, as of 5 November 2026.

A 2020 BMW X4 M with the 3.0 petrol engine is typically advertised at £40,000: the median of the 17 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 BMW X4 M has been on sale for at least 68 days.

Price history

AskCar first saw this advert on 29 August 2026 at £40,995. Its asking price is now £39,995, £1,000 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 29 August 2026: £40,995
• 2 September 2026: £41,995
• 10 October 2026: £40,995
• 22 October 2026: £39,995

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 28 July 2026; ask the dealer for the current MOT.

It has had one MOT, on 29 July 2024, and passed.

There were no advisories at the latest test.

Mileage at that test: 22,082 miles, which matches the advertised 31,065 miles.

Advertised mileage is about 5,200 miles lower than the median mileage of a 2020 BMW X4 M on AskCar.

Similar cars

16 other 2020 BMW X4 M Competition 3.0 petrol automatic SUVs are for sale at UK dealers, from £36,779 to £64,990, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW X4 M Competition, 3.0 petrol SUV, black. Mileage: 34,308 miles. Price: £43,980, £3,985 more than this car. Dealer: Phantom Motor Company in Hindley Green. AskCar page: https://askcar.co.uk/car/bmw-x4-m-2020-d9af9d10f492
• 2020 BMW X4 M Competition, 3.0 petrol SUV, white. Mileage: 34,500 miles. Price: £40,985, £990 more than this car. Dealer: James Glen Car Sales in Airdrie. AskCar page: https://askcar.co.uk/car/bmw-x4-m-2020-9394f6487d07
• 2020 BMW X4 M Competition, 3.0 petrol SUV, grey. Mileage: 34,580 miles. Price: £44,290, £4,295 more than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-x4-m-2020-ad01329068a0