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: 67,900 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

With 67,900 miles on the clock, this 2020 BMW X3 M Competition has done roughly 16,800 more miles than a typical 2020 BMW X3 M. Its asking price of £36,990 is £17 above the AskCar estimate of £36,973. The AskCar estimate uses 128 UK dealer adverts for the BMW X3 M, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 160 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Monaco Motorsports in Bolton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £17 (under 1%) over the AskCar estimate of £36,973.

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 128 priced BMW X3 M adverts across different ages and specifications, as of 4 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 4 November 2026.

Time on sale

This 2020 BMW X3 M has been on sale for at least 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £36,990. 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 4 November 2026: valid until 17 March 2027.

It has had 5 MOTs. The latest, on 5 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 66,134 miles, which matches the advertised 67,900 miles.

Advertised mileage is about 16,800 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 4 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW X3 M Competition, 3.0 petrol SUV, black. Mileage: 64,000 miles. Price: £37,490, £500 more than this car. Dealer: German Motors in Leeds. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-6712dbd3bd46
• 2020 BMW X3 M Competition, 3.0 petrol SUV, grey. Mileage: 63,000 miles. Price: £38,995, £2,005 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, £3,005 more than this car. Dealer: Empire Autos in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-612656bebaf8

• The nearest: 2020 BMW X3 M Competition, 3.0 petrol SUV, blue, 9 miles from this car. Mileage: 38,938 miles. Price: £38,998, £2,008 more than this car. Dealer: Arnold Clark Manchester Vauxhall in Manchester. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-ba74876be31e