2022 Lexus GX 460 Gas Tank Size

The 2022 Lexus GX 460 comes with a 23-gallon gas tank.
Written by Brian Hicks
Reviewed by Georgina Grant
Updated on Nov 16, 2022
The 2022 Lexus GX 460 has the same size gas tank on all trim levels. The 23-gallon gas tank will help you to get where you need to go.
With a capacity of 23 gallons, the Lexus GX 460 has a pretty standard gas tank size for its SUV class. In this article from
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How big is the gas tank on the 2022 Lexus GX 460?

The trim level doesn’t affect the gas tank size in the 2022 GX 460—all models can accommodate 23 gallons of fuel. Older models of the GX 460 have smaller tanks at 19 gallons.
The 2022 Lexus GX 460 comes in three available trim levels:
  • Base
  • Luxury
  • Premium
In addition to having the same gas tank capacities, all three trim levels also have the same fuel efficiency ratings. The GX 460 gets an estimated 15 miles per gallon (mpg) in the city and 19 mpg on the highway. On a full tank, you can cruise around for about 345 miles in the city or 435 miles on the highway before you need to stop at a fuel pump.

How to check your gas tank size

If you already have a 2022 Lexus GX 460, you know the size of the full tank. But if you’re planning on buying the SUV, you might want to measure the size of your old tank so that you can compare.

Measure your gas tank

If you want a hands-on approach, you can measure the fuel tank yourself. You’ll have to get under the vehicle and locate the tank. Then, using a tape measure, you need to find the length, width, and height (in inches) of the tank. After you find those numbers, multiply them and divide by 231, which is the number of cubic inches in a gallon.
Most fuel tanks aren’t perfect rectangles, so this will get you a very close approximation of the size of the gas tank rather than an exact number in most cases.

Check the owner’s manual

An extremely handy resource for almost all of your car needs is the owner’s manual. The owner’s manual will tell you the size of the fuel tank in your vehicle, but if you’ve misplaced it or never received one, you can find many owner’s manuals online now. You’ll need to know the make, model, and trim of your car to find the correct information, or you can use another technique listed here.

Drive until empty, then fill it 

Another hands-on option is to drive your vehicle until the fuel indicator is on E, and then fill up the tank. The amount of gas you have to put in will give you a pretty good estimate of the size of your fuel tank. However, you need to be careful with this option. Running out of fuel can damage your car and leave you in an inconvenient or even dangerous position.
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How to save on fuel costs in your Lexus GX 460

No matter what kind of vehicle you drive, it’s always nice to save money on fuel costs. But this might be even more true when driving an SUV that gets a lower fuel efficiency rating than cars and smaller SUVs.
First, try to avoid idling. When you idle, you’re using gas without getting anywhere. In the colder months, only warm the car for a few minutes and then drive easy until it has the time to get to full temperature.
Second, drive carefully and safely. Harsh acceleration, increased braking, and high speeds can be a real drain on your vehicle’s fuel economy. Slow and steady wins the race and keeps some money in your pocket instead of at the gas station.
Most importantly, keep up the maintenance on your vehicle. When all of the parts of your car are working in harmony, you get the best fuel efficiency. If one or more of those parts goes a little off, it can affect the whole system. So, have your vehicle checked and serviced regularly with a reliable dealership or mechanic.

How to save on Lexus GX 460 car insurance

Having information to save on fuel costs is great, but saving on car insurance might be even better!
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