2021 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: 2021
• Mileage: 47,380 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 259 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X4 M Competition has covered 47,380 miles. Its asking price of £37,200 is £3,061 below the AskCar estimate of £40,261. To work out the AskCar estimate, we analyse UK dealer adverts for 86 BMW X4 M cars across different ages and specifications. Since we first spotted the advert 35 days ago, the asking price has dropped by £800. Our latest MOT record expired on 5 May 2026. Check the current position with the dealer. Its advertised mileage matches the government's MOT record. You can find this car at Saxtons.co.uk in Chelmsford. 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: £3,061 (7%) under the AskCar estimate of £40,261.

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 2021 BMW X4 M with the 3.0 petrol engine is typically advertised at £40,000: the median of the 12 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 BMW X4 M has been on sale for at least 35 days.

Price history

AskCar first saw this advert on 1 October 2026 at £38,000. Its asking price is now £37,200, £800 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 1 October 2026: £38,000
• 13 October 2026: £37,700
• 22 October 2026: £37,500
• 3 November 2026: £37,200

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 5 May 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 6 May 2025, passed.

Advisories at the latest test: nearside rear brake pad(s) wearing thin; offside rear brake pad(s) wearing thin.

Mileage at that test: 40,578 miles, which matches the advertised 47,380 miles.

Advertised mileage is about 1,500 miles lower than the median mileage of a 2021 BMW X4 M on AskCar.

Similar cars

11 other 2021 BMW X4 M Competition 3.0 petrol automatic SUVs are for sale at UK dealers, from £32,890 to £48,990, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X4 M Competition, 3.0 petrol SUV, grey. Mileage: 47,999 miles. Price: £40,990, £3,790 more than this car. Dealer: Best4U Motors in Brentwood. AskCar page: https://askcar.co.uk/car/bmw-x4-m-2021-b908eb0fa4a0
• 2021 BMW X4 M Competition, 3.0 petrol SUV, black. Mileage: 46,627 miles. Price: £38,720, £1,520 more than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-x4-m-2021-f255fe033287
• 2021 BMW X4 M Competition, 3.0 petrol SUV, blue. Mileage: 49,682 miles. Price: £41,500, £4,300 more than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-x4-m-2021-93f1580696ed

• The nearest: 2021 BMW X4 M Competition, 3.0 petrol SUV, black, under a mile from this car. Mileage: 33,449 miles. Price: £43,500, £6,300 more than this car. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/bmw-x4-m-2021-ae025ea116bc