2020 BMW X3 M 3.0 Competition
Version: 3.0 i Competition Auto 4WD Euro 6 (s/s) 5dr (503 bhp)
Price: £42,495. Fair price: £42 (under 1%) under the AskCar estimate of £42,537, our expected asking price for this car from its model, age, mileage and specification, drawing on 126 priced BMW X3 M adverts on AskCar as of 29 October 2026.
AskCar lists 126 used BMW X3 M from 111 UK dealerships, as of 29 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
- 45,128 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
- Grey
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Engine badge
- Competition
- Emissions standard
- Euro 6
About this car
This 2020 BMW X3 M Competition has covered 45,128 miles. Its asking price of £42,495 is £42 below the AskCar estimate of £42,537. The AskCar estimate draws on 126 BMW X3 M adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. The latest recorded MOT expiry date is 13 October 2026, which has passed. Confirm its status with the dealer. The advertised mileage is consistent with the mileage at its latest MOT. It is for sale at EAG Specialist Cars in St Neots.
Stock data as of 29 October 2026.
Price history
AskCar first saw this advert on 29 October 2026.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £42,495 |
Price and mileage comparison
Fair price: £42 (under 1%) under the AskCar estimate of £42,537.
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 126 priced BMW X3 M adverts across different ages and specifications, as of 29 October 2026.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: the latest record we hold ran out on 13 October 2026; ask the dealer for the current MOT. 35,137 miles at the last test.
Other matching cars
16 other 2020 BMW X3 M Competition automatic petrol cars are for sale at UK dealers from £32,995 to £46,658, as of 29 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 16 matching cars have covered 21,618 to 86,000 miles, compared with 45,128 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
49 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 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.