2018 Tesla Model X 100D

Price: £29,995. Above the going rate: £2,701 (9%) over the AskCar estimate of £27,294, 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 Auto 5dr (417 bhp)
  • Year: 2018
  • Mileage: 34,000 miles
  • Fuel: Electric
  • Body: SUV, 5 doors, 6 seats
  • Engine: 417 bhp
  • Gearbox: Automatic
  • Colour: Blue

About this car

At 34,000 miles, this 2018 Tesla Model X has covered about 31,400 fewer miles than other 2018 Tesla Model X cars. Its asking price of £29,995 is £2,701 above the AskCar estimate of £27,294. The AskCar estimate uses UK dealer asking prices, including 87 Tesla Model X adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 5 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Synergy Motors in Croydon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £2,701 (9%) over the AskCar estimate of £27,294.

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 5 days ago.

Price history

AskCar first saw this advert on 28 October 2026 at £29,995. 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 24 February 2027.

It failed its MOT on 25 February 2026 (nearside front inner brake locking device ineffective; front registration plate insecure; tyre pressure monitoring system malfunctioning or obviously inoperative) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 33,325 miles, which matches the advertised 34,000 miles.

Advertised mileage is about 31,400 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

61 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.