Lexus GX Annual Fuel Cost
Running a 2026 Lexus GX costs about $4,450 per year in fuel, based on 15,000 miles of driving at average U.S. fuel prices.
Latest model year (2026):
The Lexus GX costs an estimated $4,450/year in fuel (505 g CO₂/mi).
Lexus GX Fuel Cost — All Years
| Year | Trim | Engine | Fuel | MPG Comb. | Annual Cost | CO₂ (g/mi) | GHG Score |
|---|---|---|---|---|---|---|---|
| 2026 | Auto (S10), 6 cyl, 3.4 L | 6 3.4L | Premium Gasoline | 17 | $4,450 | 505 | 3 |
| 2025 | Auto (S10), 6 cyl, 3.4 L | 6 3.4L | Premium Gasoline | 17 | $4,450 | 505 | 3 |
| 2024 | Auto (S10), 6 cyl, 3.4 L | 6 3.4L | Premium Gasoline | 17 | $4,450 | 504 | 3 |
| 2023 | Auto (S6), 8 cyl, 4.6 L | 8 4.6L | Premium Gasoline | 16 | $4,750 | 542 | 3 |
| 2022 | Auto (S6), 8 cyl, 4.6 L | 8 4.6L | Premium Gasoline | 16 | $4,750 | 542 | 3 |
| 2021 | Auto (S6), 8 cyl, 4.6 L | 8 4.6L | Premium Gasoline | 16 | $4,750 | 542 | 2 |
| 2020 | Auto (S6), 8 cyl, 4.6 L | 8 4.6L | Premium Gasoline | 16 | $4,750 | 542 | 2 |
| 2019 | Auto (S6), 8 cyl, 4.6 L | 8 4.6L | Premium Gasoline | 16 | $4,750 | 548 | 2 |
| 2018 | Auto (S6), 8 cyl, 4.6 L | 8 4.6L | Premium Gasoline | 16 | $4,750 | 548 | 2 |
| 2017 | Auto (S6), 8 cyl, 4.6 L | 8 4.6L | Premium Gasoline | 16 | $4,750 | 548 | 2 |
| 2016 | Auto (S6), 8 cyl, 4.6 L | 8 4.6L | Premium Gasoline | 17 | $4,450 | 517 | 3 |
| 2015 | Auto (S6), 8 cyl, 4.6 L | 8 4.6L | Premium Gasoline | 17 | $4,450 | 517 | 4 |
Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.
Lexus GX Fuel Cost FAQ
How much does it cost to fuel the Lexus GX?
The estimated annual fuel cost for the Lexus GX is $4,450 per year, based on 15,000 miles of driving and average fuel prices. Costs vary by trim and engine.
How much CO₂ does the Lexus GX produce?
The Lexus GX produces approximately 505 grams of CO₂ per mile. Lower numbers mean fewer emissions. See the table for per-trim details.