How Big Is A Jeep Gas Tank
If you drive a Jeep or plan to buy one, knowing the gas tank size is important. The size affects how far you can travel, how often you need to refuel, and even your driving habits.
Jeep vehicles come in many models, and their gas tank sizes vary. This article explains the gas tank sizes of different Jeeps, what affects them, and how those numbers impact real-life driving.
Jeep Gas Tank Sizes By Model
Jeep has several popular models, each with a different fuel capacity. Here is a quick overview of the most common models and their gas tank sizes.

| Jeep Model | Year Range | Gas Tank Size (Gallons) |
|---|---|---|
| Wrangler | 2018-2024 | 17.5 – 21.5 |
| Grand Cherokee | 2021-2024 | 23 – 24.6 |
| Compass | 2017-2024 | 13.5 |
| Renegade | 2015-2024 | 12.7 |
| Gladiator | 2020-2024 | 22 |
| Cherokee | 2014-2022 | 15.8 |
As you can see, Wrangler and Grand Cherokee have larger tanks, while Renegade and Compass are smaller. This reflects their different uses: bigger Jeeps are built for longer trips and rough terrain, while smaller ones focus on city driving.
Why Gas Tank Size Matters
The gas tank capacity affects many parts of your driving experience. Here are a few ways the size makes a difference:
- Travel Range: A bigger tank means you can drive farther between stops. For example, a Grand Cherokee with a 24-gallon tank can cover over 500 miles if it averages 22 mpg.
- Refueling Frequency: Smaller tanks require more stops, especially on long journeys.
- Vehicle Weight: Larger tanks add weight, which can affect fuel economy.
- Adventure Readiness: Off-road or rural driving often needs a bigger tank for safety and convenience.
Most beginners forget that the actual driving range depends not only on tank size, but also on the engine, road type, and driving style. For instance, heavy off-roading uses more gas than highway cruising.

Comparing Jeep Gas Tanks To Other Suvs
Jeep gas tanks are often larger than those in regular SUVs. Here’s a quick comparison:
| Vehicle | Gas Tank Size (Gallons) | Average MPG |
|---|---|---|
| Jeep Grand Cherokee | 24.6 | 22 |
| Toyota RAV4 | 14.5 | 30 |
| Ford Explorer | 18.6 | 24 |
| Honda CR-V | 14.0 | 28 |
Jeep models like the Grand Cherokee offer a bigger gas tank but often have lower mpg. This is because Jeeps are designed for power and off-road capability, not just efficiency.
Factors That Affect Jeep Gas Tank Size
Jeep does not use a single gas tank size for all its models. Here are the main factors:
- Model Type: Larger vehicles need bigger tanks.
- Engine Size: More powerful engines use more gas, so the tank is bigger.
- Purpose: Off-road and long-distance models get bigger tanks.
- Year: Older models sometimes have smaller tanks due to design limits.
- Trim Level: High-end trims can offer larger tanks as an option.
Beginners often miss that the trim level can change the gas tank size even within the same model. For example, a Jeep Wrangler Sport may have a slightly smaller tank than a Rubicon.

Real-world Examples
Let’s look at two popular Jeep models in detail:
Jeep Wrangler
The Jeep Wrangler is famous for off-roading. Its gas tank size depends on the body style:
- 2-door: About 17.5 gallons
- 4-door Unlimited: About 21.5 gallons
This difference means the 4-door can go farther without stopping. If you plan trips to remote areas, this extra capacity is a big advantage.
Jeep Grand Cherokee
The Grand Cherokee offers comfort and power. Most newer models have a 24.6-gallon tank. With an average mpg of 22, you can drive up to 540 miles on a full tank—enough for long road trips.
Practical Tips For Jeep Owners
If you own a Jeep or plan to buy one, these tips can help:
- Know Your Tank Size: Check your manual or ask your dealer. Don’t guess—sizes change by model and year.
- Plan for Long Drives: If you travel in remote areas, bigger tanks are safer.
- Monitor Fuel Efficiency: Heavy loads and rough terrain use more gas. Keep an eye on your mpg.
- Avoid Running Low: Don’t let your tank go below a quarter full, especially off-road. Sediment can clog fuel lines.
- Upgrade Smartly: Some aftermarket tanks promise more capacity, but check if they fit your model and won’t void the warranty.
Many new Jeep owners overlook the importance of carrying extra fuel on long adventures, especially if their tank is on the smaller side.

Jeep Gas Tank Size Changes Over Time
Jeep has updated tank sizes over the years. Here’s a look at how the Wrangler’s tank size changed:
| Year | Wrangler Tank Size (Gallons) |
|---|---|
| 2007-2011 | 18.6 |
| 2012-2017 | 18.6 |
| 2018-2024 | 17.5 (2-door), 21.5 (4-door) |
The newer 4-door Wranglers have larger tanks, reflecting the demand for more range.






















