2020 BMW X3 M 3.0 Competition
Version: 3.0 i Competition Auto 4WD Euro 6 (s/s) 5dr (503 bhp)
Price: £37,990. Fair price: £213 (under 1%) under the AskCar estimate of £38,203, our expected asking price for this car from its model, age, mileage and specification, drawing on 127 priced BMW X3 M adverts on AskCar as of 30 October 2026.
AskCar lists 127 used BMW X3 M from 112 UK dealerships, as of 30 October 2026.
Overview
- Make
- BMW
- Model
- X3 M
- Trim
- Competition
- Version
- 3.0 i Competition Auto 4WD Euro 6 (s/s) 5dr (503 bhp)
- Mileage
- 64,000 miles
- Year
- 2020
- Fuel type
- Petrol
- Body type
- SUV
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 503 bhp
- Seats
- 5
- CO2
- 239 g/km
- Colour
- Black
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Engine badge
- Competition
- Emissions standard
- Euro 6
About this car
This 2020 BMW X3 M Competition is advertised with 64,000 miles, approximately 17,900 above the typical mileage for its age. The AskCar estimate for this car is £38,203. It is priced at £37,990, which is £213 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 127 BMW X3 M cars across different ages and specifications. This car was first seen in our listings data today. The seller is German Motors, based in Leeds.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 30 October 2026.
| Date observed | Asking price |
|---|---|
| 30 October 2026 | £37,990 |
Price and mileage comparison
Fair price: £213 (under 1%) under the AskCar estimate of £38,203.
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 127 priced BMW X3 M adverts across different ages and specifications, as of 30 October 2026.
Advertised mileage is about 17,900 miles higher than the median mileage of a 2020 BMW X3 M on AskCar.
Other matching cars
17 other 2020 BMW X3 M Competition automatic petrol cars are for sale at UK dealers from £32,995 to £46,658, as of 30 October 2026.
The 5 cheapest:
- 2020 BMW X3 M. Price: £32,995. Mileage: 86,000 miles. Dealer: Apex Performance Cars in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-4532b19016f8
- 2020 BMW X3 M. Price: £34,999. Mileage: 79,000 miles. Dealer: Waterways Prestige in Leighton Buzzard. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-c720a0736060
- 2020 BMW X3 M. Price: £36,990. Mileage: 67,900 miles. Dealer: Monaco Motorsports in Bolton. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-9296fc00599e
- 2020 BMW X3 M. Price: £37,895. Mileage: 57,000 miles. Dealer: HK Performance in Manchester. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-7449fbb13909
- 2020 BMW X3 M. Price: £37,995. Mileage: 83,230 miles. Dealer: Macphersons & Sons in Fulmer. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-b7eef1de0cd1
The 17 matching cars have covered 21,618 to 86,000 miles, compared with 64,000 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BMW X3 M cars for sale · 2020 BMW X3 M price guide
Photos
45 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.