2018 Tesla Model X 100D
Price: £28,995. Fair price: £1,435 (5%) over the AskCar estimate of £27,560, our expected asking price for this car from its model, age, mileage and specification, drawing on 87 priced Tesla Model X adverts on AskCar as of 2 November 2026.
AskCar lists 90 used Tesla Model X from 73 UK dealerships, as of 2 November 2026.
Overview
- Make: Tesla
- Model: Model X
- Version: 100D 4WDE Auto 4WD 5dr (Dual Motor) (417 bhp)
- Year: 2018
- Mileage: 29,000 miles
- Fuel: Electric
- Body: SUV, 5 doors, 5 seats
- Engine: 417 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 0 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Tesla Model X is advertised with 29,000 miles, approximately 36,400 below the typical mileage for its age. Priced at £28,995, it is advertised £1,435 above the AskCar estimate of £27,560. To work out the AskCar estimate, we analyse UK dealer adverts for 87 Tesla Model X cars across different ages and specifications. We have tracked this advert for 2 days. Its advertised mileage matches the government's MOT record. The seller is Saline Motors, based in Comrie. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £1,435 (5%) over the AskCar estimate of £27,560.
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 87 priced Tesla Model X adverts across different ages and specifications, as of 2 November 2026.
Time on sale
AskCar first saw this 2018 Tesla Model X advertised 2 days ago.
Price history
AskCar first saw this advert on 31 October 2026 at £28,995. 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 2 November 2026: valid until 13 November 2026.
It has had 5 MOTs. The latest, on 14 November 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 28,687 miles, which matches the advertised 29,000 miles.
Advertised mileage is about 36,400 miles lower than the median mileage of a 2018 Tesla Model X on AskCar.
Browse all Tesla Model X cars for sale · 2018 Tesla Model X price guide
Photos
2 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.