MPG by Model

MakesLexusGX

Lexus GX MPG

Its best-rated version reaches 17 MPG combined in 2010–2016 and 2024–2026, the GX 550. Its weakest year peaked at 15 MPG (2003–2009).

Lexus GX: best and lowest EPA combined MPG of its versions, model years 2003–2026101520MPG2010202420032010201520202026lowest peak 15Lexus GX: best and lowest EPA combined MPG by model year101520MPG200320062008201020122014201620182020202220242026peak 17
lowest to best versionbest versionmedian of its classengine list turned over
882.4 gal

a year at 15,000 miles for the best 2026 version, the GX 550. Put it next to its 2003 predecessor, at your own mileage.

Compare in gallons

The Lexus GX has EPA ratings for 24 model years, 2003–2026, most often among standard SUVs. In 2023 its most efficient version still placed fifth from the bottom of 52 standard SUVs, where the Mercedes-Benz G-Class rated lowest.

Among 58 standard SUVs, 2026

The GX placed 49th (tied). The class leader was the Jeep Cherokee at 37 MPG. The next higher rating, 18 MPG, is shared by three nameplates.

Best EPA combined MPG of each of the 58 standard SUVs rated for 20261520253035GX 17median 21CherokeeBest EPA combined MPG of each of the 58 standard SUVs rated for 20261520253035GX 17median 21

The GX, five years at a time

Average rating of its best version per span, placed in the class it sat in most often.

2004–0862nd of 75SUVs
2009–1376th of 88SUVs
2014–1830th of 38standard SUVs
2019–2339th of 46standard SUVs
2024–2647th of 53standard SUVs

Where the engine list turned over

  • 2010

    New: 4.6-liter 8-cylinder. Best rating 15 → 17 MPG.

  • 2024

    New: 3.4-liter 6-cylinder. Best rating 16 → 17 MPG.

All 24 model years, best and lowest version
Model yearsBest versionCombinedCity / hwyLowest versionVersions
2024–2026GX 5501715 / 21171
2020–2023GX 4601615 / 19161
2017–2019GX 4601615 / 18161
2010–2016GX 4601715 / 20171
2005–2009GX 4701514 / 18151
2003–2004GX 4701514 / 17151

Version names in the EPA list: GX 460, GX 470, GX 550.

Same class, 2026

Read next: SUVs with the best EPA ratings by year · How to read this page