2018 BMW X3 3.0 M40i
Version: 3.0 M40i Auto 4WD Euro 6 (s/s) 5dr (355 bhp)
Price: £24,950. Fair price: £718 (2%) over the AskCar estimate of £24,232, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,993 priced BMW X3 adverts on AskCar as of 30 October 2026.
AskCar lists 3,047 used BMW X3 from 1,191 UK dealerships, as of 30 October 2026.
Overview
- Make
- BMW
- Model
- X3
- Version
- 3.0 M40i Auto 4WD Euro 6 (s/s) 5dr (355 bhp)
- Mileage
- 73,000 miles
- Year
- 2018
- Fuel type
- Petrol
- Body type
- SUV
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 355 bhp
- Seats
- 5
- CO2
- 188 g/km
- Colour
- Bronze
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Engine badge
- M40i
- Emissions standard
- Euro 6
About this car
At 73,000 miles, this 2018 BMW X3 has covered about 8,600 more miles than other 2018 BMW X3 cars. The dealer is asking £24,950, which is £718 above the AskCar estimate of £24,232. To work out the AskCar estimate, we analyse UK dealer adverts for 2,993 BMW X3 cars across different ages and specifications. It first appeared in our advert records 1 day ago. The seller is Tudor Prestige, based in Peterborough.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 29 October 2026, 1 day ago.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £24,950 |
| 30 October 2026 | £24,950 |
Price and mileage comparison
Fair price: £718 (2%) over the AskCar estimate of £24,232.
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 2,993 priced BMW X3 adverts across different ages and specifications, as of 30 October 2026.
Advertised mileage is about 8,600 miles higher than the median mileage of a 2018 BMW X3 on AskCar.
Other matching cars
5 other 2018 BMW X3 automatic petrol cars are for sale at UK dealers from £19,495 to £30,000, as of 30 October 2026.
- 2018 BMW X3. Price: £19,495. Mileage: 102,000 miles. Dealer: Autostrada in Congresbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-98e1f7457184
- 2018 BMW X3. Price: £19,995. Mileage: 43,500 miles. Dealer: Evo Motor Group in Watford. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-0ffa5da0e740
- 2018 BMW X3. Price: £20,990. Mileage: 58,000 miles. Dealer: Dorset Sports Cars in Bournemouth. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7bd32075e4b2
- 2018 BMW X3. Price: £24,999. Mileage: 70,000 miles. Dealer: Moss Prestige in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-db57c5e2d8a9
- 2018 BMW X3. Price: £30,000. Mileage: 33,530 miles. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-65fe3de1ba52
The 5 matching cars have covered 33,530 to 102,000 miles, compared with 73,000 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 cars for sale · 2018 BMW X3 price guide
More like this
Photos
20 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.