2020 BMW X3 M 3.0 Competition

Price: £37,490. Fair price: £525 (1%) under the AskCar estimate of £38,015, our expected asking price for this car from its model, age, mileage and specification, drawing on 128 priced BMW X3 M adverts on AskCar as of 4 November 2026.

AskCar lists 128 used BMW X3 M from 112 UK dealerships, as of 4 November 2026.

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: 64,000 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 X3 M Competition is advertised with 64,000 miles, approximately 12,900 above the typical mileage for its age. The AskCar estimate for this car is £38,015. It is priced at £37,490, which is £525 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 128 BMW X3 M cars across different ages and specifications. The asking price is now £500 lower than when we first recorded the advert 5 days ago. You can find this car at German Motors in Leeds. 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: £525 (1%) under the AskCar estimate of £38,015.

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

AskCar first saw this 2020 BMW X3 M advertised 5 days ago.

Price history

AskCar first saw this advert on 30 October 2026 at £37,990. Its asking price is now £37,490, £500 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 30 October 2026: £37,990
  • 4 November 2026: £37,490

Mileage and MOT

Advertised mileage is about 12,900 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, grey. Mileage: 63,000 miles. Price: £38,995, £1,505 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, £2,505 more than this car. Dealer: Empire Autos in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-612656bebaf8
  • 2020 BMW X3 M Competition, 3.0 petrol SUV, grey. Mileage: 67,900 miles. Price: £36,990, £500 less than this car. Dealer: Monaco Motorsports in Bolton. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-9296fc00599e

Browse all BMW X3 M cars for sale · 2020 BMW X3 M price guide

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Photos

45 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.