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How many miles per gallon does a GX 460 get?

The 2023 Lexus GX 460 is a luxury SUV known for its off-road capabilities and premium interior, but how does it perform when it comes to fuel efficiency? According to the latest data, the GX 460 gets an average of 16 miles per gallon (mpg) in the city and 19 mpg on the highway.


City and Highway Fuel Economy


The Lexus GX 460 is powered by a 4.6-liter V8 engine that produces 301 horsepower. This engine is paired with a 6-speed automatic transmission and standard four-wheel drive. According to the EPA, the GX 460 gets an estimated 16 mpg in the city and 19 mpg on the highway.


These fuel economy numbers are on the lower end for a midsize luxury SUV, but they are in line with the GX 460's rugged, off-road-focused design. The GX 460's body-on-frame construction and large engine contribute to its relatively poor fuel efficiency compared to more modern, car-based crossover SUVs.


Factors Affecting Fuel Economy


Several factors can impact the real-world fuel economy of the Lexus GX 460, including:



  • Driving conditions: Aggressive acceleration, frequent stops and starts, and driving at high speeds can all reduce fuel efficiency.

  • Payload and towing: Carrying heavy loads or towing a trailer will decrease the GX 460's mpg.

  • Maintenance: Proper tire inflation, regular oil changes, and other maintenance tasks can help optimize fuel economy.

  • Weather and climate: Extreme temperatures, both hot and cold, can negatively affect fuel efficiency.


Owners of the Lexus GX 460 can expect to see real-world fuel economy numbers that are slightly lower than the EPA estimates, especially if they frequently drive in city conditions or carry heavy loads.


Improving Fuel Economy


While the Lexus GX 460 is not known for its outstanding fuel efficiency, there are a few ways owners can try to improve its mpg:



  • Use the most efficient driving mode: The GX 460 has different driving modes, including Eco mode, which can help improve fuel economy.

  • Maintain proper tire pressure: Keeping the tires inflated to the recommended PSI can enhance fuel efficiency.

  • Avoid excessive idling: Turning off the engine when stopped for extended periods can save fuel.

  • Consider alternative fuel options: Some owners may opt for a hybrid or electric vehicle if fuel economy is a top priority.


Ultimately, the 2023 Lexus GX 460 is a capable and luxurious SUV, but it is not designed with fuel efficiency as a primary focus. Buyers who prioritize fuel economy may want to consider other options in the midsize luxury SUV segment.

Is Honda Pilot fuel efficient?


Fuel Economy and Real-World MPG
The EPA estimates that the Pilot is good for up to 19 mpg city and 27 mpg highway. We've tested a 2023 Pilot TrailSport, with its beefier all-terrain tires and added off-road armor on our 75-mph highway fuel-economy route, and it returned 22 mpg.



What is the lifespan of a Lexus GX?


250,000-300,000 miles
Typically, you can expect that a Lexus GX will survive 250,000-300,000 miles with excellent care. Some might not make it to this point, but those who drive well and are excellent at maintenance could see it past this point. The more work you put in, the more you will get out.



What is the real mpg of the GX 460?


Based on data from 17 vehicles, 632 fuel-ups and 154,130 miles of driving, the 2021 Lexus GX460 gets a combined Avg MPG of 15.65 with a 0.27 MPG margin of error. Below you can see a distribution of the fuel-ups with 11 outliers (1.71%) removed.



Is Lexus GX 460 expensive to maintain?


A Lexus GX 460 will cost about $7,856 for maintenance and repairs during its first 10 years of service. This beats the industry average for luxury SUV models by $6,296.



Does the Lexus GX really need premium gas?


Some vehicles, like the Lexus UX 250h, can utilize regular 87-octane fuel, whereas other models, like the 2022 Lexus GX, require premium 91-octane fuel, so the Lexus gas type depends on the model.



Does Eco mode on Lexus save gas?


ECO Mode is one of Lexus' standard driving modes that can be used to improve gas mileage and cut down on overall fuel costs. Here's how ECO Mode changes your car's performance: Reduces your vehicle's pedal input, throttle response, and acceleration. Decreases power to your car's climate control systems.



How to make Lexus GX more fuel efficient?


Ways to Improve Gas Mileage with Regular Maintenance

  1. Keep your tires inflated properly.
  2. Changing spark plugs regularly.
  3. Changing the air filter regularly.
  4. Make sure the wheels are aligned properly.
  5. Replace a broken or missing spoiler.
  6. Replace oxygen sensors regularly.
  7. Replace the thermostat when needed.



Is the Lexus GX good on gas?


Fuel Economy and Real-World MPG
Despite downsizing from a V-8 to a twin-turbo V-6, fuel economy doesn't improve much over the old GX460. The EPA estimates the GX550 will deliver 15 mpg city and 21 mpg highway, and on our 75-mph highway route, the GX500 Premium we tested delivered on its 21 mpg estimate.



What is the range of the GX 460 full tank?


345.0/437.0 mi. 23.0 gal.



What is the mileage of a GX 460?


2020 Lexus GX 460
The gas mileage by each trim is: GX 460 base: 15 mpg city/ 19 highway. GX 460 Premium: combined fuel-economy of 16 mpg.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.