Lexus GX MPG by Year & Engine (EPA)
EPA fuel-economy ratings for every rated Lexus GX model year from 2003 to 2026 — each engine and transmission with its official city, highway and combined figures. Over these years the GX has been offered with 3.4L 6-cyl, 4.7L 8-cyl engines; the most efficient version is the 2026 (up to 17 MPG combined). Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.
Lexus GX fuel economy by year
| Year | Combined | Engines | Median used price | For sale |
|---|---|---|---|---|
| 2026 | 17 MPG | 3.4L 6-cyl | $86,638 | 101 listings |
| 2025 | 17 MPG | 3.4L 6-cyl | $92,980 | 5 listings |
| 2024 | 17 MPG | 3.4L 6-cyl | $83,298 | 91 listings |
| 2009 | 15 MPG | 4.7L 8-cyl | — | — |
| 2008 | 15 MPG | 4.7L 8-cyl | — | — |
| 2007 | 15 MPG | 4.7L 8-cyl | — | — |
| 2006 | 15 MPG | 4.7L 8-cyl | — | — |
| 2005 | 15 MPG | 4.7L 8-cyl | — | — |
| 2004 | 15 MPG | 4.7L 8-cyl | — | — |
| 2003 | 15 MPG | 4.7L 8-cyl | — | — |
2026 Lexus GX: engines & MPG
The 2026 GX was EPA-rated in 1 version (3.4L 6-cyl), with combined economy of 17 MPG. Used 2026 models currently list for a median of $86,638 on VehiSales (101 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| GX 550 | 3.4L 6-cyl | Automatic (S10) | Premium | 15 | 21 | 17 MPG |
2025 Lexus GX: engines & MPG
The 2025 GX was EPA-rated in 1 version (3.4L 6-cyl), with combined economy of 17 MPG. Used 2025 models currently list for a median of $92,980 on VehiSales (5 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| GX 550 | 3.4L 6-cyl | Automatic (S10) | Premium | 15 | 21 | 17 MPG |
2024 Lexus GX: engines & MPG
The 2024 GX was EPA-rated in 1 version (3.4L 6-cyl), with combined economy of 17 MPG. Used 2024 models currently list for a median of $83,298 on VehiSales (91 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| GX 550 | 3.4L 6-cyl | Automatic (S10) | Premium | 15 | 21 | 17 MPG |
2009 Lexus GX: engines & MPG
The 2009 GX was EPA-rated in 1 version (4.7L 8-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| GX 470 | 4.7L 8-cyl | Automatic 5-spd | Premium | 14 | 18 | 15 MPG |
2008 Lexus GX: engines & MPG
The 2008 GX was EPA-rated in 1 version (4.7L 8-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| GX 470 | 4.7L 8-cyl | Automatic 5-spd | Premium | 14 | 18 | 15 MPG |
2007 Lexus GX: engines & MPG
The 2007 GX was EPA-rated in 1 version (4.7L 8-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| GX 470 | 4.7L 8-cyl | Automatic 5-spd | Premium | 14 | 18 | 15 MPG |
2006 Lexus GX: engines & MPG
The 2006 GX was EPA-rated in 1 version (4.7L 8-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| GX 470 | 4.7L 8-cyl | Automatic 5-spd | Premium | 14 | 18 | 15 MPG |
2005 Lexus GX: engines & MPG
The 2005 GX was EPA-rated in 1 version (4.7L 8-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| GX 470 | 4.7L 8-cyl | Automatic 5-spd | Regular | 14 | 18 | 15 MPG |
2004 Lexus GX: engines & MPG
The 2004 GX was EPA-rated in 1 version (4.7L 8-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| GX 470 | 4.7L 8-cyl | Automatic 5-spd | Regular | 14 | 17 | 15 MPG |
2003 Lexus GX: engines & MPG
The 2003 GX was EPA-rated in 1 version (4.7L 8-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| GX 470 | 4.7L 8-cyl | Automatic 5-spd | Regular | 14 | 17 | 15 MPG |
Frequently asked questions
What MPG does a Lexus GX get?
Depending on year and engine, EPA combined ratings for the GX range from 15 to 17 MPG. The most efficient rated version is the 2026 model year.
What engines does the 2026 Lexus GX have?
The 2026 GX was EPA-rated with 3.4L 6-cyl engines — see the 2026 table above for each version's exact city/highway figures.
Does the Lexus GX require premium gas?
Some versions do: EPA lists premium gasoline and regular gasoline depending on year and engine — check your year's table above.
https://vehisales.com/research/fuel-economy/lexus/gx.
Fuel economy of other models
Lexus RX MPG by year · Lexus NX MPG by year
See also: Lexus GX hub — live listings, prices & reliability · Used Lexus GX prices by year · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].