SUV · Premium gas
Lexus GX Fuel Cost
Body-on-frame luxury SUV with serious off-road ability and a thirsty V6/V8. Below are estimated fuel costs based on 17 combined MPG and average US gas prices.
Best for towing or carrying gear; fuel costs will be higher than a sedan.
- High fuel use
- Best for short trips
- Heavy fuel use
- Updated for 2026
- EPA-style MPG
- US avg fuel prices
- US units
- Transparent assumptions
15 MPG
19 MPG
17 MPG
23 gal
~391 mi
MPG breakdown
Estimated fuel cost at 12,000 miles/year
Based on 17 MPG and $4.10/gal.
Annual cost
$2894
Monthly cost
$241
Cost per mile
$0.241
Gallons / year
706
Estimate your own cost
Pre-filled with the Lexus GX's combined MPG.
Pre-filled with estimated combined MPG for the Lexus GX. Adjust for your real-world driving.
Estimated Annual Cost
$0.00
Per Month
$0.00
Per Mile
$0.000
~706 gallons per year
Cost by annual mileage
How much you'll spend per year at common US mileage levels (estimates).
| Miles per year | Gallons / year | Annual cost | Monthly cost |
|---|---|---|---|
| 8,000 | 471 | $1929 | $161 |
| 12,000 | 706 | $2894 | $241 |
| 15,000 | 882 | $3618 | $301 |
Estimates only. Actual costs depend on driving style, terrain, weather, and local fuel or electricity prices.
How we estimate Lexus GX costs
- MPG / MPGe
- EPA-style combined city + highway figures for the base trim and recent model year.
- Fuel price
- Average US retail regular gas, premium where required, or per-kWh electricity.
- Annual mileage
- Default scenarios at 8,000 / 12,000 / 15,000 miles per year.
- Trim & year variance
- AWD, larger wheels, towing packages and older years can lower efficiency 5–15%.
Sources & assumptions
- EPA fuel economy data — City / highway / combined MPG and MPGe baselines.
- U.S. Department of Energy (fueleconomy.gov) — Vehicle efficiency and EV range references.
- AAA gas price trends — Recent national and regional retail fuel averages.
- EIA electricity rates — Average residential per-kWh prices used for EV charging.
We summarize publicly available data — no scraping, no external API calls. Figures are calibrated periodically; use the calculators above for your exact inputs.
Frequently asked questions
What is the estimated annual fuel cost for the Lexus GX?
Driving 12,000 miles per year at 17 MPG and $4.10/gal, expect about $2894 per year. Heavier city driving or longer commutes will increase that.
What MPG does the Lexus GX get?
Estimated EPA-style ratings are roughly 15 city / 19 highway / 17 combined MPG. Real-world numbers depend on terrain, climate and driving style.
What is the tank size of the Lexus GX?
The Lexus GX typically has a 23-gallon tank. At 17 combined MPG, that's roughly 391 miles of driving range per fill-up.
How does Lexus GX fuel cost compare to other vehicles?
At 12,000 miles per year, this vehicle costs about $2894. Compare it to other suvs on our index page or use the cost-per-mile calculator to compare two specific vehicles side-by-side.
Cheaper-to-drive alternatives
Same vehicle class as the Lexus GX, but lower fuel or charging cost per mile. Annual cost at 12,000 mi.
Compare similar SUVs
The closest competitors to the Lexus GX by MPG and category.
Compare the Lexus GX head-to-head
Side-by-side MPG, annual cost and cost-per-mile vs popular rivals.
Best road trips for the Lexus GX
Long-haul drives where the Lexus GX's comfort and cargo space pay off.