Ethan Moser
· 3 min read
The gas tank on a 2018 Jeep Grand Cherokee is 24.6 gallons across all trims. The Grand Cherokee’s 3.6-liter flex-fuel V6 engine is the biggest contributing factor when it comes to fuel capacity.
SUVs are rarely the most fuel-efficient vehicles, meaning that filling up your Jeep at the pump can be a significant—and frequent—financial investment. You can better understand how often you’re going to need to get gas and how much it’s going to cost when you know your vehicle’s fuel capacity.
You can look this information up in your owner’s manual, but if you’ve misplaced it, never fear!
Jerry
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How big is the gas tank on a 2018 Jeep Grand Cherokee?
The 2018 Jeep Grand Cherokee has a 24.6-gallon gas tank, regardless of trim.
When it comes to determining a vehicle’s fuel capacity, you’ll need to keep in mind that the same model can have different gas tank sizes depending on trim level, engine size, and other factors.
How to save on fuel costs in a Grand Cherokee
The 2018 Jeep Grand Cherokee has a fairly average fuel efficiency rating for an SUV of its size at 21 mpg combined city/highway. That gas mileage is the same across the board when it comes to trim level, so you won’t be able to benefit from a better fuel economy by choosing a different trim.
If you’re dead set on a used Jeep or if you already own one, here are some tips and tricks to help keep your fuel consumption—and costs—as low as possible:
- Keep up with a basiccar maintenance schedule. Allowing your Grand Cherokee to suffer extensive wear and tear can affect the minivan at every level, including fuel efficiency.
- Drive carefully. Avoid harsh acceleration and riding the brakes to keep your SUV’s fuel consumption as steady (and low) as possible.
- Avoid idling, especially in cold weather. Leaving your ignition on while you’re not actually driving actively wastes fuel. It’s a better idea to grin and bear a few minutes of cold driving on a winter morning to let your Jeep warm up as opposed to letting it idle in the driveway.
How to optimize your Grand Cherokee’s insurance coverage
Big cars like the Grand Cherokee can prove to be a nightmare at the pump, especially when fuel prices are high. That being said, you can reduce your
Jeep insurance costs
by shopping for better-priced coverage on the Jerry
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