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Lexus GX MPG

EPA fuel economy for 24 Lexus GX trims sold from 2003 to 2026. Best ever: 17 MPG (2026 GX 550). Latest model year 2026: 17 MPG combined across 1 trim.

17best combined MPG (2026)
15 / 21city / highway of the best trim
15lowest combined MPG (2009)
24model years rated
$4,550a year to fuel, cheapest 2026 trim at EPA prices

Lexus GX fuel cost calculator

Enter what you pay for fuel and how far you drive in a year. The starting prices are the ones the EPA uses for its own yearly fuel-cost estimates. Every cost on this page updates as you type.

At $5.16 a gallon for premium and 15,000 miles a year, the 2026 Lexus GX costs about $4,550 a year to fuel (GX 550, 3.4 L, 6 cyl, 17 MPG).

2026 trimEngineTransmissionDriveFuelCombCost/yrvs cheapest
GX 5503.4 L, 6 cylAuto (S10)4WDPremium17$4,550cheapest

Cost per year is miles per year divided by the EPA combined rating, times your fuel price; electric vehicles use the EPA's kWh per 100 miles instead. Rounded to the nearest $10. Your prices are kept in this browser only.

Lexus GX MPG by year

YearBest combinedCityHwyBest trim that yearTrims
2026171521GX 550, 3.4 L, 6 cyl, Auto (S10)1
2025171521GX 550, 3.4 L, 6 cyl, Auto (S10)1
2024171521GX 550, 3.4 L, 6 cyl, Auto (S10)1
2023161519GX 460, 4.6 L, 8 cyl, Auto (S6)1
2022161519GX 460, 4.6 L, 8 cyl, Auto (S6)1
2021161519GX 460, 4.6 L, 8 cyl, Auto (S6)1
2020161519GX 460, 4.6 L, 8 cyl, Auto (S6)1
2019161518GX 460, 4.6 L, 8 cyl, Auto (S6)1
2018161518GX 460, 4.6 L, 8 cyl, Auto (S6)1
2017161518GX 460, 4.6 L, 8 cyl, Auto (S6)1
2016171520GX 460, 4.6 L, 8 cyl, Auto (S6)1
2015171520GX 460, 4.6 L, 8 cyl, Auto (S6)1
2014171520GX 460, 4.6 L, 8 cyl, Auto (S6)1
2013171520GX 460, 4.6 L, 8 cyl, Auto (S6)1
2012171520GX 460, 4.6 L, 8 cyl, Auto (S6)1
2011171520GX 460, 4.6 L, 8 cyl, Auto (S6)1
2010171520GX 460, 4.6 L, 8 cyl, Auto (S6)1
2009151418GX 470, 4.7 L, 8 cyl, Auto 5-spd1
2008151418GX 470, 4.7 L, 8 cyl, Auto 5-spd1
2007151418GX 470, 4.7 L, 8 cyl, Auto 5-spd1
2006151418GX 470, 4.7 L, 8 cyl, Auto 5-spd1
2005151418GX 470, 4.7 L, 8 cyl, Auto 5-spd1
2004151417GX 470, 4.7 L, 8 cyl, Auto 5-spd1
2003151417GX 470, 4.7 L, 8 cyl, Auto 5-spd1

Every Lexus GX trim

YearTrimEngineTransmissionDriveFuelCityHwyCombCO2 g/miFuel cost/yr
2026GX 5503.4 L, 6 cylAuto (S10)4WDPremium152117505$4,550
2025GX 5503.4 L, 6 cylAuto (S10)4WDPremium152117505$4,550
2024GX 5503.4 L, 6 cylAuto (S10)4WDPremium152117504$4,550
2023GX 4604.6 L, 8 cylAuto (S6)4WDPremium151916542$4,840
2022GX 4604.6 L, 8 cylAuto (S6)4WDPremium151916542$4,840
2021GX 4604.6 L, 8 cylAuto (S6)4WDPremium151916542$4,840
2020GX 4604.6 L, 8 cylAuto (S6)4WDPremium151916542$4,840
2019GX 4604.6 L, 8 cylAuto (S6)4WDPremium151816548$4,840
2018GX 4604.6 L, 8 cylAuto (S6)4WDPremium151816548$4,840
2017GX 4604.6 L, 8 cylAuto (S6)4WDPremium151816548$4,840
2016GX 4604.6 L, 8 cylAuto (S6)4WDPremium152017517$4,550
2015GX 4604.6 L, 8 cylAuto (S6)4WDPremium152017517$4,550
2014GX 4604.6 L, 8 cylAuto (S6)4WDPremium152017517$4,550
2013GX 4604.6 L, 8 cylAuto (S6)4WDPremium152017514$4,550
2012GX 4604.6 L, 8 cylAuto (S6)4WDPremium152017523$4,550
2011GX 4604.6 L, 8 cylAuto (S6)4WDPremium152017523$4,550
2010GX 4604.6 L, 8 cylAuto (S6)4WDPremium152017523$4,550
2009GX 4704.7 L, 8 cylAuto 5-spd4WD/AWDPremium141815592$5,160
2008GX 4704.7 L, 8 cylAuto 5-spd4WD/AWDPremium141815592$5,160
2007GX 4704.7 L, 8 cylAuto 5-spd4WD/AWDPremium141815592$5,160
2006GX 4704.7 L, 8 cylAuto 5-spd4WD/AWDPremium141815592$5,160
2005GX 4704.7 L, 8 cylAuto 5-spd4WD/AWDRegular141815592$4,160
2004GX 4704.7 L, 8 cylAuto 5-spd4WD/AWDRegular141715592$4,160
2003GX 4704.7 L, 8 cylAuto 5-spd4WD/AWDRegular141715592$4,160

CO2 is tailpipe grams per mile from the EPA test. Fuel cost per year uses the prices and miles in the calculator above (the EPA's own prices and 15,000 miles a year until you change them); blank when the fuel has no price here (hydrogen, natural gas).

Compare with other 2026 Standard Sport Utility Vehicle 4WD

VehicleCombinedCityHwy
2026 Lucid Gravity Touring w/20F21R wheels111115106
2026 Tesla Model X10511099
2026 Cadillac OPTIQ AWD (11 kW Charger)9911088
2026 Honda Prologue AWD Touring9910890
2026 Audi Q4 55 e-tron quattro9710589
2026 BMW iX xDrive60 (20 inch Wheels)979994

All Standard Sport Utility Vehicle 4WD ranked by MPG

Questions people ask

What is the best MPG for a Lexus GX?

The most efficient Lexus GX the EPA has rated is the 2026 GX 550 at 17 MPG combined (15 city, 21 highway).

What MPG does the 2026 Lexus GX get?

Every 2026 Lexus GX trim is rated 17 MPG combined.

Which Lexus GX has the worst fuel economy?

The 2009 GX 470 is the lowest rated at 15 MPG combined.

How much does it cost to fuel a Lexus GX for a year?

At $5.16 a gallon for premium and 15,000 miles a year, the 2026 Lexus GX costs about $4,550 a year to fuel (GX 550, 3.4 L, 6 cyl, 17 MPG).

More from Lexus: every Lexus model. Fuel types on this model: Premium, Regular. EPA classes: Sport Utility Vehicle - 4WD, Standard Sport Utility Vehicle 4WD.