Lexus · 2003–2026 · Gas
Lexus GX MPG by year
The EPA has rated 24 model years of the Lexus GX, from 2003 to 2026. The most fuel-efficient year is the 2005, at 15 MPG combined in its best configuration. The best 2026 model is 13% more efficient than the best 2003 model (17 vs. 15 MPG). The 2026 model is 23% less efficient than the median midsize or large SUV that year (17 vs. 22 MPG).
Combined MPG by model year
- GX, most efficient version
- Range across configurations
- Class median
Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.
Every GX model year
| Year | Type | Best combined | City / Hwy | Class median | Range | Configs | Fuel / yr |
|---|---|---|---|---|---|---|---|
| 2026 | Gas | 17 MPG | 15 / 21 | 22 | — | 1 | $3,485 |
| 2025 | Gas | 17 MPG | 15 / 21 | 21 | — | 1 | $3,485 |
| 2024 | Gas | 17 MPG | 15 / 21 | 21 | — | 1 | $3,485 |
| 2023 | Gas | 16 MPG | 15 / 19 | 20 | — | 1 | $3,703 |
| 2022 | Gas | 16 MPG | 15 / 19 | 20 | — | 1 | $3,703 |
| 2021 | Gas | 16 MPG | 15 / 19 | 20 | — | 1 | $3,703 |
| 2020 | Gas | 16 MPG | 15 / 19 | 19.5 | — | 1 | $3,703 |
| 2019 | Gas | 16 MPG | 15 / 18 | 20 | — | 1 | $3,703 |
| 2018 | Gas | 16 MPG | 15 / 18 | 20 | — | 1 | $3,703 |
| 2017 | Gas | 16 MPG | 15 / 18 | 19 | — | 1 | $3,703 |
| 2016 | Gas | 17 MPG | 15 / 20 | 19 | — | 1 | $3,485 |
| 2015 | Gas | 17 MPG | 15 / 20 | 19 | — | 1 | $3,485 |
| 2014 | Gas | 17 MPG | 15 / 20 | 19 | — | 1 | $3,485 |
| 2013 | Gas | 17 MPG | 15 / 20 | 19 | — | 1 | $3,485 |
| 2012 | Gas | 17 MPG | 15 / 20 | 20 | — | 1 | $3,485 |
| 2011 | Gas | 17 MPG | 15 / 20 | 19.5 | — | 1 | $3,485 |
| 2010 | Gas | 17 MPG | 15 / 20 | 19 | — | 1 | $3,485 |
| 2009 | Gas | 15 MPG | 14 / 18 | 19 | — | 1 | $3,950 |
| 2008 | Gas | 15 MPG | 14 / 18 | 18 | — | 1 | $3,950 |
| 2007 | Gas | 15 MPG | 14 / 18 | 18 | — | 1 | $3,950 |
| 2006 | Gas | 15 MPG | 14 / 18 | 17 | — | 1 | $3,950 |
| 2005 | Gas | 15 MPG | 14 / 18 | 17 | — | 1 | $3,100 |
| 2004 | Gas | 15 MPG | 14 / 17 | 17 | — | 1 | $3,100 |
| 2003 | Gas | 15 MPG | 14 / 17 | 17 | — | 1 | $3,100 |
Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.
Compare GX model years
See how much a newer GX would save over an older one.
Models similar to the Lexus GX
Frequently asked questions
Which Lexus GX year has the best fuel economy?
The 2003 Lexus GX, rated up to 15 MPG combined. At 15,000 miles a year with $3.10/gal regular gas, that works out to about $3,100 a year.
Which Lexus GX year has the worst fuel economy?
The 2006 model, whose most efficient version is rated 15 MPG combined (about $3,950 a year to fuel).
What is the fuel economy of the latest Lexus GX?
The 2026 Lexus GX is rated up to 17 MPG combined.