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2017 Lexus GX 460 4.6L (J150)
Shown: 2017 Lexus GX 460 4.6L (J150). Photo: Kevauto, CC BY-SA 4.0, via Wikimedia Commons
  • Newest year: 2023
  • Gas
  • Standard SUVs
  • Same as 2022

2010-2023 Lexus GX MPG & Fuel Cost

14 model years · 16–17 MPG combined

16 MPG
Combined
15 MPG
City
19 MPG
Highway
Annual fuel cost · 460 4.6L 8-cyl 4WD
$4,940

15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)

Cheaper to fuel than 2 of 10 standard SUV configurations, MY2023. Ranked against all rated configurations, not sales-weighted.

2010-2023 Lexus GX at a glance

The 2010-2023 Lexus GX covers 14 model years in the EPA database (14 configurations in all), rated 16–17 MPG combined. The newest model year, 2023, costs about $4,940 a year to fuel for its most efficient version, the 460 4.6L 8-cyl 4WD (16 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2011, 2013, 2014, 2015, 2016, 2017, 2020 and 2022; 2012, 2018, 2019, 2021 and 2023 repeat the values of the year before. The best combined rating in the generation, 17 MPG, was reached in 2010, 2011, 2012, 2013, 2014, 2015 and 2016.

2010-2023 Lexus GX by model year

2010-2023 Lexus GX: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2023 Gas 16 MPG $4,940 Same EPA ratings as 2022
2022 Gas 16 MPG $4,940 Ratings changed
2021 Gas 16 MPG $4,940 Same EPA ratings as 2020
2020 Gas 16 MPG $4,940 Ratings changed
2019 Gas 16 MPG $4,990 Same EPA ratings as 2018
2018 Gas 16 MPG $4,990 Same EPA ratings as 2017
2017 Gas 16 MPG $4,990 Ratings changed
2016 Gas 17 MPG $4,740 Ratings changed
2015 Gas 17 MPG $4,740 Ratings changed
2014 Gas 17 MPG $4,740 Ratings changed
2013 Gas 17 MPG $4,710 Ratings changed
2012 Gas 17 MPG $4,710 Same EPA ratings as 2011
+2
2010-2023 Lexus GX: EPA combined rating and yearly fuel cost for each model year (+2)
Model yearPowertrainsCombined$/yrEPA ratings
2011Gas17 MPG$4,710Ratings changed
2010Gas17 MPG$4,730First year

What the 2023 460 4.6L 8-cyl 4WD costs to drive

Per month

$412

$4,940 a year ÷ 12

Per 25 miles

$8.23

Per 100 miles

$32.93

Five years

$24,700

5 × the yearly cost, prices held at today's level

vs the standard SUV median

$1,100more a year

Class median $3,840 a year, MY2023

Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).

2023 Lexus GX MPG

EPA lists the same ratings for the 2023 Lexus GX as for the 2022 model, so the configurations and costs are the ones in the 2022 section above.See 2022

Gas · 4.6L
Combined
16 MPG
Per year
$4,940

Gas configurations (1)

2023 Lexus GX gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
460 (Most efficient) 4.6L 8-cyl 4WD 15 19 16 $4,940

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2022 Lexus GX MPG

16 MPG · $4,940/yr

Versus 2021: The most efficient configuration stays at 16 MPG. Its annual cost stays at $4,940.

Gas · 4.6L
Combined
16 MPG
Per year
$4,940

Gas configurations (1)

2022 Lexus GX gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
460 (Most efficient) 4.6L 8-cyl 4WD 15 19 16 $4,940

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2021 Lexus GX MPG

Same EPA ratings as 2020

EPA lists the same ratings for the 2021 Lexus GX as for the 2020 model, so the configurations and costs are the ones in the 2020 section above.See 2020

2020 Lexus GX MPG

16 MPG · $4,940/yr

Versus 2019: The most efficient configuration stays at 16 MPG. Its annual cost goes from $4,990 to $4,940, $50 less.

Gas · 4.6L
Combined
16 MPG
Per year
$4,940

Gas configurations (1)

2020 Lexus GX gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
460 (Most efficient) 4.6L 8-cyl 4WD 15 19 16 $4,940

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2019 Lexus GX MPG

Same EPA ratings as 2018

EPA lists the same ratings for the 2019 Lexus GX as for the 2018 model, so the configurations and costs are the ones in the 2018 section above.See 2018

2018 Lexus GX MPG

Same EPA ratings as 2017

EPA lists the same ratings for the 2018 Lexus GX as for the 2017 model, so the configurations and costs are the ones in the 2017 section above.See 2017

2017 Lexus GX MPG

16 MPG · $4,990/yr

Versus 2016: The most efficient configuration moves from 17 to 16 MPG, down 1. Its annual cost goes from $4,740 to $4,990, $250 more.

Gas · 4.6L
Combined
16 MPG
Per year
$4,990

Gas configurations (1)

2017 Lexus GX gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
460 (Most efficient) 4.6L 8-cyl 4WD 15 18 16 $4,990

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2016 Lexus GX MPG

17 MPG · $4,740/yr

Versus 2015: The most efficient configuration stays at 17 MPG. Its annual cost stays at $4,740.

Gas · 4.6L
Combined
17 MPG
Per year
$4,740

Gas configurations (1)

2016 Lexus GX gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
460 (Most efficient) 4.6L 8-cyl 4WD 15 20 17 $4,740

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2015 Lexus GX MPG

17 MPG · $4,740/yr

Versus 2014: The most efficient configuration stays at 17 MPG. Its annual cost stays at $4,740.

Gas · 4.6L
Combined
17 MPG
Per year
$4,740

Gas configurations (1)

2015 Lexus GX gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
460 (Most efficient) 4.6L 8-cyl 4WD 15 20 17 $4,740

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2014 Lexus GX MPG

17 MPG · $4,740/yr

Versus 2013: The most efficient configuration stays at 17 MPG. Its annual cost goes from $4,710 to $4,740, $30 more.

Gas · 4.6L
Combined
17 MPG
Per year
$4,740

Gas configurations (1)

2014 Lexus GX gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
460 (Most efficient) 4.6L 8-cyl 4WD 15 20 17 $4,740

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2013 Lexus GX MPG

17 MPG · $4,710/yr

Versus 2012: The most efficient configuration stays at 17 MPG. Its annual cost stays at $4,710.

Gas · 4.6L
Combined
17 MPG
Per year
$4,710

Gas configurations (1)

2013 Lexus GX gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
460 (Most efficient) 4.6L 8-cyl 4WD 15 20 17 $4,710

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2012 Lexus GX MPG

Same EPA ratings as 2011

EPA lists the same ratings for the 2012 Lexus GX as for the 2011 model, so the configurations and costs are the ones in the 2011 section above.See 2011

2011 Lexus GX MPG

17 MPG · $4,710/yr

Versus 2010: The most efficient configuration stays at 17 MPG. Its annual cost goes from $4,730 to $4,710, $20 less.

Gas · 4.6L
Combined
17 MPG
Per year
$4,710

Gas configurations (1)

2011 Lexus GX gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
460 (Most efficient) 4.6L 8-cyl 4WD 15 20 17 $4,710

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2010 Lexus GX MPG

17 MPG · $4,730/yr
Gas · 4.6L
Combined
17 MPG
Per year
$4,730

Gas configurations (1)

2010 Lexus GX gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
460 (Most efficient) 4.6L 8-cyl 4WD 15 20 17 $4,730

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

Fuel cost by state

Yearly cost of the 460 4.6L 8-cyl 4WD: $5,890 in California and $4,280 in Texas, a $1,610 difference.

Gasoline prices: California: California state average; Washington: Washington state average; New York: New York state average; Florida: Florida state average; Texas: Texas state average (Sep 2026).
Fuel cost in every state

Similar cars

Closest combined MPG among MY2023 standard SUV models.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Generations

Frequently asked questions

What gas mileage does the 2010-2023 Lexus GX get?

EPA rates the 2010-2023 Lexus GX at 16–17 MPG combined across 14 configurations and 14 model years. The most efficient version, the 2016 460 4.6L 8-cyl 4WD, is rated 17 MPG (15 city, 20 highway).

Which years had the best MPG in the 2010-2023 Lexus GX?

The 460 4.6L 8-cyl 4WD reached the generation's best combined rating, 17 MPG, in 2010, 2011, 2012, 2013, 2014, 2015 and 2016. The lowest top rating, 16 MPG, was in 2017, 2018, 2019, 2020, 2021, 2022 and 2023.

Did EPA ratings change during the 2010-2023 Lexus GX?

Yes. Ratings changed in 2011, 2013, 2014, 2015, 2016, 2017, 2020 and 2022. In 2012, 2018, 2019, 2021 and 2023 the values repeat the year before.

How does the 2010-2023 Lexus GX compare with the previous generation?

The previous generation (2003-2009 Lexus GX) is rated 15 MPG combined and costs $4,360–$5,360 a year to fuel; the 2010-2023 model is rated 16–17 MPG and costs $4,710–$4,990 a year.

How much does it cost to fuel a 2023 Lexus GX per year?

Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the 460 4.6L 8-cyl 4WD costs about $4,940 a year. Across all 1 configuration the cost runs $4,940 a year.

How much does it cost to drive a 2023 Lexus GX 100 miles?

About $32.93 per 100 miles for the 460 4.6L 8-cyl 4WD at premium gasoline $5.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.

Is the 2023 Lexus GX more efficient in the city or on the highway?

The 460 4.6L 8-cyl 4WD is rated 15 city and 19 highway MPG, so it is more efficient on the highway, by 4 MPG.

How does the 2023 Lexus GX compare with other standard SUV configurations?

The 460 4.6L 8-cyl 4WD costs about $4,940 a year to fuel, $1,100 more than the class median of $3,840, and less than 2 of 10 standard SUV configurations. The comparison covers all 234 rated standard SUV configurations for MY2023, not weighted by sales.

Is the 2023 Lexus GX different from the 2022 model?

No. EPA lists the same ratings for 2022 and 2023: 1 configuration rated 16 MPG combined. See the 2022 Lexus GX for that year.