2020 BMW X3 M 3.0 Competition

Price: £38,750. Fair price: £1,671 (4%) under the AskCar estimate of £40,421, our expected asking price for this car from its model, age, mileage and specification, drawing on 129 priced BMW X3 M adverts on AskCar as of 8 November 2026.

AskCar lists 130 used BMW X3 M from 112 UK dealerships, as of 8 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: 53,000 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

This 2020 BMW X3 M Competition is advertised with 53,000 miles, approximately 3,900 above the typical mileage for its age. The AskCar estimate for this car is £40,421. It is priced at £38,750, which is £1,671 below that estimate. The AskCar estimate uses 129 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 today. The recorded MOT expired on 13 April 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Farlan Automotive in Wembley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,671 (4%) under the AskCar estimate of £40,421.

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 129 priced BMW X3 M adverts across different ages and specifications, as of 8 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 8 November 2026.

Time on sale

AskCar first saw this 2020 BMW X3 M advertised today.

Price history

AskCar first saw this advert on 8 November 2026 at £38,750. 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 8 November 2026: the latest record we hold ran out on 13 April 2026; ask the dealer for the current MOT.

It failed its MOT on 12 April 2025 (offside front tyre has ply or cords exposed) and passed 2 days later, on 14 April 2025.

Advisories at the latest test: nearside front brake pad(s) wearing thin; offside front brake pad(s) wearing thin.

Mileage at that test: 43,613 miles, which matches the advertised 53,000 miles.

Advertised mileage is about 3,900 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 £34,999 to £44,990, as of 8 November 2026.

The 3 closest to this car in mileage:

2020 BMW X3 M Competition, 3.0 petrol SUV, grey. Mileage: 57,000 miles. Price: £37,895, £855 less than this car. Dealer: HK Performance in Manchester. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-7449fbb13909
2020 BMW X3 M Competition, 3.0 petrol SUV, grey. Mileage: 45,128 miles. Price: £42,495, £3,745 more than this car. Dealer: EAG Specialist Cars in St Neots. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-02169c93987a
2020 BMW X3 M Competition, 3.0 petrol SUV, blue. Mileage: 43,499 miles. Price: £41,399, £2,649 more than this car. Dealer: Acorn Specialist Cars in Stone. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-6a7f3887ec94

The nearest: 2020 BMW X3 M Competition, 3.0 petrol SUV, black, 11 miles from this car. Mileage: 83,230 miles. Price: £37,995, £755 less than this car. Dealer: Macphersons & Sons in Fulmer. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2020-b7eef1de0cd1

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