2020 BMW X4 M 3.0 Competition

Price: £36,950. Fair price: £502 (1%) under the AskCar estimate of £37,452, our expected asking price for this car from its model, age, mileage and specification, drawing on 86 priced BMW X4 M adverts on AskCar as of 5 November 2026.

AskCar lists 86 used BMW X4 M from 78 UK dealerships, as of 5 November 2026.

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: 54,640 miles
Fuel: Petrol
Body: SUV, 5 doors, 5 seats
Engine: 3.0 litres, 503 bhp
Gearbox: Automatic
Drive: Four-wheel drive
Colour: Black
CO2: 239 g/km
Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X4 M Competition is advertised with 54,640 miles, approximately 18,300 above the typical mileage for its age. The dealer is asking £36,950, which is £502 below the AskCar estimate of £37,452. To work out the AskCar estimate, we analyse UK dealer adverts for 86 BMW X4 M cars across different ages and specifications. This car was first seen in our listings data 23 days ago. Its advertised mileage matches the government's MOT record. It is for sale at J S Exclusive Motors in Milton Keynes. 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: £502 (1%) under the AskCar estimate of £37,452.

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 23 days.

Price history

AskCar first saw this advert on 13 October 2026 at £36,950. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 17 June 2027.

It failed its MOT on 11 June 2026 (nearside front track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt; offside front track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt) and passed 5 days later, on 16 June 2026.

There were no advisories at the latest test.

Mileage at that test: 52,164 miles, which matches the advertised 54,640 miles.

Advertised mileage is about 18,300 miles higher 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, red. Mileage: 54,000 miles. Price: £38,500, £1,550 more than this car. Dealer: NJ Cars in Rainham. AskCar page: https://askcar.co.uk/car/bmw-x4-m-2020-3d6e794a585d
2020 BMW X4 M Competition, 3.0 petrol SUV, black. Mileage: 53,125 miles. Price: £36,995, the same price as this car. Dealer: Stratstone Bmw Derby in Derby. AskCar page: https://askcar.co.uk/car/bmw-x4-m-2020-c646b2ce38b5
2020 BMW X4 M Competition, 3.0 petrol SUV, blue. Mileage: 45,987 miles. Price: £39,491, £2,541 more than this car. Dealer: David James in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-x4-m-2020-04fd0d0aff99

The nearest: 2020 BMW X4 M Competition, 3.0 petrol SUV, grey, 11 miles from this car. Mileage: 69,200 miles. Price: £36,779, £171 less than this car. Dealer: FTR Performance in Tring. AskCar page: https://askcar.co.uk/car/bmw-x4-m-2020-5ea851bdd5bd

Browse all BMW X4 M cars for sale · 2020 BMW X4 M price guide