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: 35,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 239 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X3 M Competition is advertised with 35,000 miles, approximately 10,100 below the typical mileage for its age. The dealer is asking £44,000, which is £389 below the AskCar estimate of £44,389. To work out the AskCar estimate, we analyse UK dealer adverts for 125 BMW X3 M cars across different ages and specifications. We first recorded this advert 10 days ago, and its asking price has since fallen by £1,000. The government's MOT record matches its advertised mileage. It is advertised by Kobra Imports in Birmingham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Fair price: £389 (under 1%) under the AskCar estimate of £44,389.

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 125 priced BMW X3 M adverts across different ages and specifications, as of 12 November 2026.

A 2020 BMW X3 M with the 3.0 petrol engine is typically advertised at £40,000: the median of the 17 for sale on AskCar, as of 12 November 2026.

Time on sale

This 2020 BMW X3 M has been on sale for at least 10 days.

Price history

AskCar first saw this advert on 2 November 2026 at £45,000. Its asking price is now £44,000, £1,000 less. The latest price cut was seen on 12 November 2026.

Price changes recorded:

• 2 November 2026: £45,000
• 12 November 2026: £44,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 12 November 2026: valid until 2 February 2027.

It has had one MOT, on 3 February 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 23,840 miles, which matches the advertised 35,000 miles.

Advertised mileage is about 10,100 miles lower than the median mileage of a 2020 BMW X3 M on AskCar.

Similar cars

15 other 2020 BMW X3 M Competition 3.0 petrol automatic SUVs are for sale at UK dealers, from £34,999 to £44,990, as of 12 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW X3 M Competition, 3.0 petrol SUV, grey. Mileage: 33,755 miles. Price: £44,990, £990 more than this car. Dealer: Saltmarine Cars in Dungannon. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-e759a98cab26
• 2020 BMW X3 M Competition, 3.0 petrol SUV, black. Mileage: 33,717 miles. Price: £42,999, £1,001 less than this car. Dealer: Sandles Cars in King's Lynn. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-4e4ea5f14505
• 2020 BMW X3 M Competition, 3.0 petrol SUV, black. Mileage: 31,112 miles. Price: £43,990, the same price as this car. Dealer: Stratstone Bmw Chesterfield in Chesterfield. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-3a736e182bd8

• The nearest: 2020 BMW X3 M Competition, 3.0 petrol SUV, grey, 32 miles from this car. Mileage: 31,024 miles. Price: £41,500, £2,500 less than this car. Dealer: Cotswold Group Select in Tewkesbury. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-d9f1f69b5442