Lexus RX 350 Gas Tank Size
For the most part, the Lexus RX 350 has maintained a consistent size for gas tanks on its gas- and hybrid-powered models. Let’s take a look!
Written by Mary Alice Morris
Reviewed by Melanie Reiff
If you’ve purchased a Lexus RX 350 from the past two decades, odds are it either has a gas tank of 19.2 gallons or 17.2 gallons, with the smaller being designated for hybrid models.
But the RX 350 has a couple of outliers in its model history when it comes to the fuel tank capacity. If you want to find out more about your RX 350’s fuel tank specs, check out this guide from
Jerry
, the car insurance
comparison shopping super app. We’ll walk you through the various gas tank sizes the model has been fitted with over the years, and we’ll give you a few pointers on how you can save on your
Lexus RX 350 car insurance costs
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4.7/5 rating on the App Store | Trusted by 5+ million customers and 7 million cars4.7/5 app rating | Trusted by 5M+ driversHow big is the gas tank on a Lexus RX 350?
Sometimes, automakers adjust various components of their cars, including the gas tanks, to comply with new model designs and specifications from year to year. While Lexus adapted the RX 350’s gas tank a couple of times, by and large, the model has been consistent with its fuel tank capacity.
Early on in the RX 350’s production, it came with a 17.2-gallon gas tank. This was in the 1999 and 2000 model years. After that, the vehicle had a 19.8-gallon tank for model years 2001 to 2003. By 2004, Lexus settled on a 19.2-gallon tank for the RX 350—for the most part.
Once Lexus started making a hybrid model, it attached a 17.2-gallon tank for the hybrid vehicles while keeping the standard 19.2-gallon tank on traditional gas-powered models.
How to check your Lexus RX 350’s gas tank size
If you’re not so sure about your car’s gas tank size, there are a few easy ways to measure it for yourself.
Measure the gas tank
If you’re willing to crawl underneath your car, you can measure the exterior of the tank to figure out its fuel capacity. You’ll just need a measuring tape and a calculator.
To get started, climb under your car’s fuel tank and measure the tank’s height, width, and length—be sure to get the figures in inches. Then, take each of these measurements and multiply them together. Then, divide that total by 231, which is the number of cubic inches that go into a gallon.
The end number will tell you how many gallons of gas the tank can hold.
Check your owner’s manual
If you don’t feel like getting your hands dirty, or you just like doing things the easy way, you can also check your owner’s manual for your car’s gas tank size. If you’ve misplaced your owner’s manual, you can view a digital copy or even order a hard copy from the
Lexus Resources
site. Drive till empty, then fill it up
Feeling adventurous? You could try driving your car until the fuel gauge says your tank is empty. Just don’t go too far on E, or else you’ll end up stranded.
Then, take your car to the gas station for a fill-up. This should tell you how much your empty (or almost empty) tank can hold.
How to save on fuel costs in a Lexus RX 350
The 2022 non-hybrid Lexus RX 350 gets about 23 mpg combined, which means if you’re concerned about efficiency, you don’t have much you can afford to lose. Luckily, there are a few things you can do to keep getting the most out of each gallon of gas. Here are a few tips:
- Keep your maintenance schedule. By getting routine maintenance services done for your car, you’re not only aiding its longevity, but you’re also keeping it running efficiently.
- Slow down. If you leave a little earlier, you can drive a little slower. By taking a more leisurely pace to your destination, you’ll cut how much gas you use.
- Don’t let the engine idle. Turn off the ignition every time your car is parked. Otherwise, you’re just using up oil, needlessly releasing emissions, and wasting gas.
MORE: How to track gas mileage
How to optimize your Lexus RX 350’s insurance coverage
Now that you know your car’s gas tank size, you can plan ahead for your budget and schedule your fill-ups accordingly.
Another way to keep your vehicle budget under control is by saving money on your car insurance with the
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