
The fuel tank capacity of a Jeep Wrangler varies depending on the model year and the number of doors. For example, the 2023 Jeep Wrangler 4-door model has a fuel tank capacity of 21.5 gallons, while the 2-door version has a smaller 17.5-gallon tank. The 2018 Jeep Wrangler JK 4-door model has a fuel tank capacity of 18 gallons, and there are also auxiliary fuel tanks available that can add extra fuel capacity to some models.
| Characteristics | Values |
|---|---|
| Fuel Tank Capacity | 21.5 gallons (4-door) |
| 17.5 gallons (2-door) | |
| Fuel Economy | 20 miles per gallon (combined city) |
| 23 highway miles per gallon (Willys Sport, Sport S, Freedom, Willys, Sport Altitude, Rubicon) | |
| 17 city miles per gallon (Willys Sport, Sport S, Freedom, Willys, Sport Altitude, Rubicon) | |
| 19 combined miles per gallon (Willys Sport, Sport S, Freedom, Willys, Sport Altitude, Rubicon) | |
| 21 city miles per gallon (Sahara, Sport RHD, High Altitude, Sahara Altitude) | |
| 24 highway miles per gallon (Sahara, Sport RHD, High Altitude, Sahara Altitude) | |
| 22 mpg combined (Sahara, Sport RHD, High Altitude, Sahara Altitude) | |
| 15 combined miles per gallon (Wrangler Rubicon 392) | |
| 13 city miles per gallon (Wrangler Rubicon 392) | |
| 17 highway miles per gallon (Wrangler Rubicon 392) | |
| Engine | V6 3.6L |
| Horsepower | 285 hp |
| Alternative Engine | 2.0L 270 hp |
| Alternative Engine Options | 6.4L V8 powertrain (470 hp) for Wrangler Rubicon 392 |
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What You'll Learn
- The 4-door Jeep Wrangler's fuel tank capacity is 21.5 gallons
- The 2-door Jeep Wrangler's fuel tank capacity is 17.5 gallons
- The 2023 Jeep Wrangler's fuel economy is 13 mpg in the city, 17 mpg on the highway, and 15 mpg combined
- The 2023 Jeep Wrangler has a 516-mile max range in ideal driving conditions
- The 4-door Jeep Wrangler's fuel tank can be replaced with a 29-gallon tank

The 4-door Jeep Wrangler's fuel tank capacity is 21.5 gallons
The 4-door Jeep Wrangler has a fuel tank capacity of 21.5 gallons. This is in contrast to the 2-door version, which has a smaller fuel tank capacity of 17.5 gallons. The 4-door Jeep Wrangler's fuel tank capacity allows for a maximum range of 516 miles in ideal driving conditions.
The fuel economy of the 4-door Jeep Wrangler varies depending on the trim. For example, the Willys Sport, Sport S, Freedom, Willys, Sport Altitude, and the Rubicon trims offer a fuel efficiency of 23 highway miles per gallon, 17 city miles per gallon, and 19 combined miles per gallon. On the other hand, the Sahara, Sport RHD, High Altitude, and Sahara Altitude trims deliver 21 city miles per gallon, 24 highway miles per gallon, and 22 mpg combined.
It is worth noting that some sources suggest that the 4-door Jeep Wrangler's fuel tank capacity is less than the specified 21.5 gallons. Some owners have reported that they have never been able to fill up more than 18 gallons, despite the vehicle's specifications indicating a higher fuel capacity.
The discrepancy in the fuel tank capacity of the 4-door Jeep Wrangler may be due to a variety of factors, including driving conditions, maintenance, and individual driving habits. Additionally, the reserve capacity of the fuel tank, which is intended to provide extra fuel in case of emergency, may account for some of the differences in reported fuel tank capacity.
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The 2-door Jeep Wrangler's fuel tank capacity is 17.5 gallons
The 2023 Jeep Wrangler is an iconic vehicle that continues to impress with its Trail-Rated model. The 2-door Jeep Wrangler has a fuel tank capacity of 17.5 gallons, while the 4-door version has a larger tank that can accommodate 21.5 gallons of fuel. The 2-door model's fuel tank capacity is designed to provide a good balance between fuel efficiency and range, ensuring that you won't run out of gas too quickly.
It's worth noting that the actual fuel economy of the Jeep Wrangler may vary depending on various factors such as driving conditions, maintenance, and trim level. The Wrangler offers different setups, and the fuel tank size should be considered when choosing the desired build. The 2-door Jeep Wrangler's 17.5-gallon fuel tank provides a good balance between fuel capacity and efficiency, making it a suitable option for those seeking a combination of performance and fuel economy.
Some sources suggest that the 2-door Jeep Wrangler has a 18-gallon fuel tank, which is slightly larger than the specified 17.5-gallon capacity. This discrepancy may be due to differences in measurement methods or variations in specific models. However, it's important to note that some owners have reported difficulties in filling the tank beyond 13 gallons, which could be due to the vehicle's fuel gauge design or other factors.
To accurately determine the fuel tank capacity of a 2-door Jeep Wrangler, it is recommended to refer to the owner's manual or seek information from official sources. Additionally, it is worth considering the impact of fuel tank size on factors such as range, mileage, and driving experience when making a decision about purchasing a Jeep Wrangler or choosing between the 2-door and 4-door models.
In conclusion, the 2-door Jeep Wranglers are equipped with a 17.5-gallon fuel tank, providing a balance between fuel capacity and efficiency. This fuel tank size contributes to the overall performance and driving experience of the vehicle, offering a good range and fuel economy for those opting for the 2-door model.
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The 2023 Jeep Wrangler's fuel economy is 13 mpg in the city, 17 mpg on the highway, and 15 mpg combined
The 2023 Jeep Wrangler is a powerful vehicle with a large fuel tank capacity. The 4-door model has a 21.5-gallon fuel tank, while the 2-door version has a 17.5-gallon tank. This gives the 4-door Wrangler a significant advantage in terms of range, with a maximum of 516 miles in ideal driving conditions.
In terms of fuel economy, the 2023 Jeep Wrangler offers a combined average of 19.05 mpg, according to data from 88 vehicles. However, this can vary depending on the trim, powerplant, and body type. For example, the Willys Sport, Sport S, Freedom, Willys, Sport Altitude, and the Rubicon trims offer 17 mpg in the city, 23 mpg on the highway, and 19 mpg combined. On the other hand, the Sahara, Sport RHD, High Altitude, and Sahara Altitude trims provide better fuel efficiency, with 21 mpg in the city, 24 mpg on the highway, and 22 mpg combined.
The Wrangler Rubicon 392 trim is a standout, delivering 13 mpg in the city, 17 mpg on the highway, and 15 mpg combined. This trim is a powerhouse, equipped with a 6.4L V8 powertrain that produces 470 horsepower.
For those seeking even greater fuel capacity, aftermarket companies offer long-range auxiliary fuel tanks for the Jeep Wrangler. These tanks can add extra fuel capacity, providing a longer range between fill-ups. However, it's important to note that these auxiliary tanks may affect the accuracy of the fuel gauge and are not legal for sale or use in California due to CARB compliance issues.
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The 2023 Jeep Wrangler has a 516-mile max range in ideal driving conditions
The 2023 Jeep Wrangler has a maximum range of 516 miles in ideal driving conditions. This impressive range is due in part to its fuel tank capacity, which is 21.5 gallons for the 4-door version and 17.5 gallons for the 2-door version. The Wrangler has a V6 3.6L engine that produces 285 horsepower, and this standard engine is found in most trims.
There are, however, other engine options available for the 2023 Wrangler that can impact its fuel economy and range. One option is a 2.0L engine that produces 270 horsepower and is used in the Sport RHD, Sahara, Sahara Altitude, and High Altitude trim levels. Another option is a 6.4L V8 powertrain that delivers 470 horsepower and is exclusive to the Wrangler Rubicon 392 trim, providing exceptional performance on the highway.
The fuel economy of the 2023 Wrangler varies depending on the trim level and driving conditions. For example, the Sport, Willys Sport, Freedom, Sport S, Sport Altitude, Willys, and Rubicon trims offer a fuel efficiency of 23 highway mpg, 17 city mpg, and 19 combined mpg with a 4-door setup. In contrast, the Sport RHD, Sahara, High Altitude, and Sahara Altitude trims provide 21 city mpg, 24 highway mpg, and 22 mpg combined.
It's worth noting that the Wrangler Rubicon 392, with its powerful engine, has a lower fuel economy of 13 city mpg, 15 combined mpg, and 17 highway mpg. Additionally, factors such as driving style, vehicle maintenance, and driving conditions can influence the actual mileage achieved.
For those seeking even greater fuel capacity, aftermarket long-range auxiliary fuel tanks are available for the Jeep Wrangler. These tanks can add extra range and fuel capacity, but it's important to note that they may not be legal in all states.
The 2023 Jeep Wrangler offers a versatile driving experience with its various setups, engine options, and impressive range, making it a capable and adaptable vehicle for a wide range of drivers.
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The 4-door Jeep Wrangler's fuel tank can be replaced with a 29-gallon tank
The 4-door Jeep Wrangler has a fuel tank capacity of 21.5 gallons, while the 2-door version has a smaller 17.5-gallon tank. The 4-door Jeep Wrangler's fuel tank can be replaced with a 29-gallon tank, which is an increase of 7.5 gallons. This larger tank is a replacement for the original equipment (OE) fuel tank and fills in the same way.
There are also auxiliary fuel tanks available for the 4-door Jeep Wrangler, which add extra fuel capacity without replacing the original tank. These auxiliary tanks typically have a capacity of 17 gallons and use a transfer pump to fill the main tank.
It is important to note that fuel tank sizes and capacities may vary slightly depending on the model year and trim level of the 4-door Jeep Wrangler. For example, the 2018-2023 Jeep Wrangler 4-door models are equipped with a 21.5-gallon fuel tank, while the 2012-2018 Jeep Wrangler JK 4-door models have a fuel tank capacity of 18.5 gallons.
Additionally, the fuel economy of the Jeep Wrangler can vary depending on driving conditions, trim levels, and engine options. The 2023 model, for instance, offers a range of trim levels with varying fuel efficiency ratings, such as the Sahara, Sport RHD, High Altitude, and Sahara Altitude trims, which provide impressive fuel economy.
When considering fuel tank replacements or upgrades, it is essential to ensure compatibility with the specific model and year of the 4-door Jeep Wrangler.
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Frequently asked questions
The fuel tank capacity of a 4-door Jeep Wrangler varies depending on the model year. The 2012-2018 JK models have a 22-gallon tank, while the 2018 onwards JL models have a 21.5-gallon tank.
Yes, you can purchase a long-range auxiliary fuel tank that holds 17 gallons. This is an additional tank that fits on the left side of the driveshaft and uses a transfer pump to fill the main tank.
This differs from vehicle to vehicle. The low fuel warning lights will generally come on at the same level as the original tank, but with a greater reserve capacity due to the larger surface area of the auxiliary tank.











































