2018 Tesla Model X 100D MPG & Specs — Real-World vs EPA, All Trims
This is an electric model — no gasoline.
Is the 2018 Tesla Model X 100D good on gas?
At up to 87 MPG combined, the 2018 Tesla Model X 100D is better than average for a Standard Sport Utility Vehicle 4WD — that class averages about 18.9 MPG across 1,684 EPA-tested versions, so it's a good pick on fuel for its size.
Real-world MPG vs the EPA number
The EPA figures above come from a standardized dynamometer test, not the open road — real-world MPG typically runs a bit lower depending on your driving, climate and terrain. That's true of every car on this site, old or new.
For its most efficient trim, the EPA estimates about $850 a year in fuel (15,000 miles) — roughly $71 a month.
2018 Tesla Model X 100D trims & fuel economy
| Trim (engine / transmission) | Fuel | MPG | Fuel/yr (today's price) |
|---|---|---|---|
| electric, A1 automatic, AWD | ELECTRIC | 87 | $850 |
2018 Tesla Model X 100D specs
What the EPA test-car listings record for this model year — every combination sold is a row in the trims table above.
| Engine options | Electric |
| Transmission | A1 automatic |
| Drive type | AWD |
| EPA body class | Standard Sport Utility Vehicle 4WD |
| Fuel | Electric |
Other years of the Tesla Model X 100D
Similar cars (Standard Sport Utility Vehicle 4WD)
Cars that take premium · Cheapest cars to fuel · Where fuel grade depends on the trim · Fuel guides
1 trim(s) · EPA FuelEconomy.gov data retrieved 2026-07-24 · fuel prices AAA national average as of 2026-07-05.