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What is the fuel tank size of GX 460?

The Lexus GX 460 is equipped with a 23-gallon fuel tank, about 87 liters. This capacity is standard across most GX 460 models and informs the vehicle’s expected driving range.


This article explains what that tank size means for range, whether it varies by year or market, and how it affects buying decisions and everyday use.


Official capacity and its impact on range


The GX 460’s fuel tank capacity is 23 gallons (87 liters). With typical EPA fuel economy figures for this V8 SUV, drivers can expect a practical range roughly between 350 and 460 miles on a full tank, depending on year, trim, drivetrain, and driving conditions.


Keep in mind that actual range varies with load, terrain, weather, and driving style. Always consider your typical routes and refueling patterns when judging how far you can travel on a single tank.


Tank size across generations and markets


In the United States and most other major markets, the GX 460 maintains a 23-gallon (87-liter) fuel tank across its production years. This consistency helps buyers estimate range and plan trips without needing year-by-year adjustments in many common scenarios.



  • Fuel tank capacity: 23 gallons (87 liters)

  • Typical combined fuel economy: varies by year and configuration, generally in the mid-teens to low 20s mpg range


Overall, the 23-gallon tank supports the GX 460’s blend of luxury, capability, and road-trip practicality, giving it a respectable long-distance potential for an SUV of its era.


Practical considerations for buyers


When evaluating a GX 460, consider not just tank size but also towing, payload, and off-road use, which can affect real-world fuel economy and range. If you frequently drive in remote areas or plan long highway trips, the tank size offers a comfortable buffer for planning fuel stops.


Summary: The GX 460 consistently uses a 23-gallon (87-liter) fuel tank, a defining spec that shapes its range, refueling planning, and overall practicality across most markets and model years.

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.