# Lexus GX specs and mpg by year - **Latest year:** 2026 - **MPG (combined):** 17 - **Drive:** 4WD - **Years covered:** 2015-2026 ## Quick answer The 2026 Lexus GX is a midsize/large SUV rated at 17 mpg combined. Engines: 3.4L V6 turbo. ## Every 2026 Lexus GX version | Version | Engine | Drive | Transmission | City/Hwy | Combined | Fuel cost / year | CO2 | | --- | --- | --- | --- | --- | --- | --- | --- | | GX 550 | 3.4L V6 turbo | 4WD | Automatic | 15/21 | 17 mpg | $4,850 | 505 g/mi | Each row is a version the EPA tested. Fuel cost assumes 15,000 miles a year (55% city) at national average prices; CO2 is tailpipe emissions. ## Lexus GX specs by year | Year | Engines | Transmission | Drive | MPG (combined) | | --- | --- | --- | --- | --- | | 2026 | 3.4L V6 turbo | Automatic | 4WD | 17 | | 2025 | 3.4L V6 turbo | Automatic | 4WD | 17 | | 2024 | 3.4L V6 turbo | Automatic | 4WD | 17 | | 2023 | 4.6L V8 | Automatic | 4WD | 16 | | 2022 | 4.6L V8 | Automatic | 4WD | 16 | | 2021 | 4.6L V8 | Automatic | 4WD | 16 | | 2020 | 4.6L V8 | Automatic | 4WD | 16 | | 2019 | 4.6L V8 | Automatic | 4WD | 16 | | 2018 | 4.6L V8 | Automatic | 4WD | 16 | | 2017 | 4.6L V8 | Automatic | 4WD | 16 | | 2016 | 4.6L V8 | Automatic | 4WD | 17 | | 2015 | 4.6L V8 | Automatic | 4WD | 17 | EPA combined ratings. MPGe is the EPA efficiency measure for electric cars. Ranges cover every engine and drivetrain EPA tested for that year. ## How has the GX changed over the years? - **2024:** added 3.4L V6 turbo; dropped 4.6L V8. - **2017:** combined mpg went from 17 to 16. ## What does it cost to run a GX? The EPA puts the 2026 Lexus GX's fuel cost at **$4,850 a year**, against about $2,967 for other current midsize/large SUVs: roughly 63% more. Over five years at 15,000 miles a year that is about $24,250 in fuel. ## GX vs rivals | Model | Powertrains | Fuel economy | Fuel cost / year | | --- | --- | --- | --- | | [Jeep Cherokee](/vehicles/jeep-cherokee) | Hybrid | 37 mpg | $1,800 | | [Toyota Grand Highlander](/vehicles/toyota-grand-highlander) | Gas, Hybrid | 22-36 mpg | $1,850-$3,050 | | [Toyota Highlander](/vehicles/toyota-highlander) | Gas, Hybrid | 24-35 mpg | $1,900-$2,800 | | [Kia Telluride](/vehicles/kia-telluride) | Gas, Hybrid | 19-35 mpg | $1,900-$3,550 | | [Hyundai Palisade](/vehicles/hyundai-palisade) | Gas, Hybrid | 19-34 mpg | $1,950-$3,550 | | [Volvo XC90](/vehicles/volvo-xc90) | Hybrid, Plug-in hybrid | 23-27 mpg | $3,050-$3,550 | | [BMW X5](/vehicles/bmw-x5) | Hybrid, Plug-in hybrid | 15-26 mpg | $3,150-$5,500 | | [Mazda CX-90](/vehicles/mazda-cx-90) | Hybrid, Plug-in hybrid | 25-26 mpg | $2,700-$3,300 | Other current midsize/large SUVs from other makes, most efficient first. ## Frequently asked questions ### What mpg does the 2026 Lexus GX get? The 2026 Lexus GX is EPA-rated at 17 mpg combined, depending on engine and drivetrain. Real-world mileage varies with speed, climate and load. ### What engine does the 2026 Lexus GX have? The 2026 Lexus GX comes with: 3.4L V6 turbo. It uses automatic transmission and is offered with 4WD. ### Is there a hybrid Lexus GX? No. In the EPA data from 2015-2026 the Lexus GX has no hybrid version. ### Which Lexus GX year gets the best gas mileage? In the EPA data, the 2026 Lexus GX has the highest combined rating, up to 17 mpg. Ratings for the same model can change between years when engines or test procedures change. ### How much does it cost to fuel a 2026 Lexus GX for a year? About $4,850 a year, using the EPA's assumptions of 15,000 miles (55% city, 45% highway) at national average fuel prices. Your cost depends on your local prices, mileage and driving style. ### What is the city and highway mpg of the 2026 Lexus GX? The most efficient 2026 version, the GX 550, is rated 15 mpg city and 21 mpg highway (17 combined). Other engines and drivetrains are rated lower; the versions table above lists each one. ### How much CO2 does the 2026 Lexus GX emit? EPA rates its tailpipe CO2 at 505 grams per mile depending on version. Lower is better; the cleanest gas cars sit under 250 g/mi and electric cars have none at the tailpipe. ### Does the 2026 Lexus GX come with all-wheel drive? Yes. The 2026 Lexus GX is offered with 4WD. All- or four-wheel drive usually costs 1-3 mpg compared with the two-wheel-drive version of the same engine, as the versions table shows. ### Is the Lexus GX cheap to run compared with other midsize/large SUVs? No, dearer than average: its EPA annual fuel cost of $4,850 compares with about $2,967 for other current midsize/large SUV models. Fuel is only part of running costs; insurance, tires and repairs also differ. ## Sources - [fueleconomy.gov (US DOE and EPA)](https://www.fueleconomy.gov/) ## All Lexus SUVs - [Lexus NX](https://diagxcar.com/vehicles/lexus-nx) - [Lexus RX](https://diagxcar.com/vehicles/lexus-rx) - [Lexus RZ](https://diagxcar.com/vehicles/lexus-rz) - [Lexus LX](https://diagxcar.com/vehicles/lexus-lx) - [Lexus TX](https://diagxcar.com/vehicles/lexus-tx) ## More Lexus models - [Lexus ES](https://diagxcar.com/vehicles/lexus-es) - [Lexus IS](https://diagxcar.com/vehicles/lexus-is) - [Lexus LC](https://diagxcar.com/vehicles/lexus-lc) - [Lexus LS](https://diagxcar.com/vehicles/lexus-ls) - [Lexus UX](https://diagxcar.com/vehicles/lexus-ux) - [Lexus RC](https://diagxcar.com/vehicles/lexus-rc): discontinued ## Other midsize/large SUVs - [Lincoln Aviator](https://diagxcar.com/vehicles/lincoln-aviator) - [Lincoln Navigator](https://diagxcar.com/vehicles/lincoln-navigator) - [Lucid Gravity](https://diagxcar.com/vehicles/lucid-gravity) - [Mazda CX-90](https://diagxcar.com/vehicles/mazda-cx-90) - [Mercedes-Benz G-Class](https://diagxcar.com/vehicles/mercedes-benz-g-class) - [Mercedes-Benz GLE-Class](https://diagxcar.com/vehicles/mercedes-benz-gle-class) ## Car care - [How long do tires last?](https://diagxcar.com/how-long/tires) - [How often to change oil](https://diagxcar.com/how-often/change-oil) - [Tire size calculator](https://diagxcar.com/tools/tire-size-calculator) --- Source page: https://diagxcar.com/vehicles/lexus-gx Updated: 2026-11-03 General information, not a substitute for a qualified mechanic.