2023 BMW X3 M 3.0 Competition
Price: £58,000. Fair price: £3,329 (6%) over the AskCar estimate of £54,671, 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 1 November 2026.
AskCar lists 127 used BMW X3 M from 112 UK dealerships, as of 1 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: 2023
- Mileage: 42,000 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 3.0 litres, 503 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 247 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 42,000 miles on the clock, this 2023 BMW X3 M Competition has done roughly 14,600 more miles than a typical 2023 BMW X3 M. Priced at £58,000, it is advertised £3,329 above the AskCar estimate of £54,671. The AskCar estimate draws on 127 BMW X3 M adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 25 days. Its advertised mileage matches the government's MOT record. The seller is Sytner Stevenage BMW, based in Stevenage. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 1 November 2026.
Price
Fair price: £3,329 (6%) over the AskCar estimate of £54,671.
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 1 November 2026.
Time on sale
This 2023 BMW X3 M has been on sale for at least 25 days.
Price history
AskCar first saw this advert on 7 October 2026 at £58,000. 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 1 November 2026: valid until 1 June 2027.
It has had one MOT, on 1 June 2026, and passed.
There were no advisories at the latest test.
Mileage at that test: 37,933 miles, which matches the advertised 42,000 miles.
Advertised mileage is about 14,600 miles higher than the median mileage of a 2023 BMW X3 M on AskCar.
Similar cars
15 other 2023 BMW X3 M Competition 3.0 petrol automatic SUVs are for sale at UK dealers, from £46,995 to £63,990, as of 1 November 2026.
The 3 closest to this car in mileage:
- 2023 BMW X3 M Competition, 3.0 petrol SUV, blue. Mileage: 32,700 miles. Price: £59,990, £1,990 more than this car. Dealer: Auto Venue in Newport. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-35a018a12f75
- 2023 BMW X3 M Competition, 3.0 petrol SUV, blue. Mileage: 32,000 miles. Price: £57,480, £520 less than this car. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-846d7a218ca7
- 2023 BMW X3 M Competition, 3.0 petrol SUV, black. Mileage: 30,923 miles. Price: £57,799, £201 less than this car. Dealer: cinch in Bournemouth. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-5da3ca7a9edc
- The nearest: 2023 BMW X3 M Competition, 3.0 petrol SUV, blue, 14 miles from this car. Mileage: 22,000 miles. Price: £58,950, £950 more than this car. Dealer: AutoVero in Much Hadham. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-ef0630bbaf80
Browse all BMW X3 M cars for sale · 2023 BMW X3 M price guide
Photos
23 photos of this car are on its AskCar page.
As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.