Jeep wrangler gas can

What Is the Jeep Wrangler Gas Tank Size and Capacity?

Whether you’re a Jeep Wrangler owner or want to purchase a brand-new one, you should consider the size. For Jeep wranglers, Since the introduction of the 15-gallon plastic gas tank, it comes with diverse gas tank sizes ranging from 17.5 to 22.5 gallons.

Knowing the size is useful when you have to calculate the fuel efficiency or to know how far you can travel without refueling. To get the facts more clarified, read through till the end.

Jeep Wrangler Gas Tank Size & Capacity Based on Model Year

Jeep releases new models with diverse specs all the time, thus size and capacity changes as well.

The typical tank capacity of the Jeep Wrangler generally ranges between 17 and 22.5 gallons.

However, if you’re searching specifically for data about each Jeep Wrangler model year’s gas capacity, check out the table listed below, which aggregates gas capacity for different model-year.

Model Year	Gas Tank Capacity (Gallons)
2023	21.5 gallons (81.4 L)
2022	17.5-21.5 gallons (66.3-81.4 L)
2019-2021	17.2-21.5 gallons (65.1-81.4 L)
2018	17.5-22.5 gallons (66.3-85.2 L)
2011-2017	18.6-22.5 gallons (70.4-85.2 L)
2010	18.6-21.6 gallons (70.4-81.8 L)
2007-2009	18-21.5 gallons (68.1-81.4 L)
1998-2006	19 gallons (71.9 L)

2023 Jeep Wrangler Gas Tank Size and Fuel Efficiency

The latest Jeep Wrangler 2023 comes with a fuel tank capacity of 21.5 gallons. With this fuel tank capacity, it can run up to 623.5 miles on the highway when it is full.

Comparatively, Wranglers from this model year consume between 13 and 29 gallons per mile.

However, this figure can vary depending on the configuration of the vehicle or trim level, your driving habits, and the terrain.

2022 Jeep Wrangler Gas Tank Size and Fuel Efficiency

Depending upon the model, the fuel tank of the 2022 Jeep Wrangler holds between 17.5 and 21.5 gallons of fuel.

The four-door models have a larger tank capable of holding 21.5 gallons, the two-door models hold 17.5 gallons.

The rough-toothed engines used in the 2022 Jeep Wranglers are surprisingly fuel-efficient.

2022 Wranglers with the 3.6L V6 engine reach approximately 17 MPG in the city and 25 MPG on the highway.

Whilst, wranglers with the 3.0L EcoDiesel V6 engine go far from this with an estimated MPG of 22 in the city and on the highway it can reach up to 29 gallons per mile.

2019-2021 Jeep Wrangler Gas Tank Size and Fuel Efficiency

Jeep Wrangler models from 2019-2021 come with similar specifications in terms of gas tank capacity.

The average gas tank capacity of these wranglers ranges between 17.2 and 21.5 gallons. However, the variation comes in when it comes to the mileage.

For instance, the mileage of 2021 Jeep Wranglers in the city is anywhere between 17 and 21 miles per gallon; on the highway, the mileage falls between 23 and 25 miles.

By contrast, if 2020 Jeep Wranglers are used in the city, the mileage falls between 17 and 22 miles per gallon; on the highway, it ranges between 22 and 29 miles per gallon.

For the 2019 model year, the Jeep has gas mileage from 17 to 23 miles per gallon in the city and 23 to 25 miles per gallon on the highway.

2018 Jeep Wrangler Gas Tank Size and Fuel Efficiency

The 2018 Jeep Wrangler capacity ranges from 17.5 to 22.5 gallons. When it comes to fuel efficiency, in the city, the driving range is between 316 and 473 miles with a full tank.

The highway driving range of a 2018 Jeep Wrangler on a full tank is between 390 and 516 miles in the trim level that best fits the specifications.

On the other hand, the Fuel economy in the city is 16 to 23 miles per gallon, while on the highway it’s 20 to 25 miles per gallon.

2011-2017 Jeep Wrangler Gas Tank Size and Fuel Efficiency

In the 2011-2017 Jeep Wranglers, the gas tank capacity was similar. The fuel tank size of different trims ranges between 18.6 and 22.5 gallons.

However, the 2013 Jeep Wrangler model doesn’t have the 22.5 gas tank variant. And, the estimated driving range on a full tank is 297-316 miles in the city.

This range increases if the Jeep is driven on highways. In that case, the maximum driving range will be 372-390 miles.

Whilst, all other models in between have a similar driving range on a full tank.

For City driving, it’s 316-390 miles, and on highways, it can be 390 to 450 miles. These values can vary significantly depending on the trim level, as well as your driving pattern.

2010 Jeep Wrangler Tank Size and Fuel Efficiency

Fuel tanks on Jeep Wranglers from the 2010 release year can hold up to 18.6 to 21.6 gallons of gas.

The 2010 Jeep Wrangler has a range of 279 to 337 miles nonstop on a full tank of fuel, with a maximum highway driving range between 353 and 450 miles across the various types of trims.

2007-2009 Jeep Wrangler Gas Tank Size

Jeep Wranglers were produced from 2007 to 2009 in three distinct acting series: base with three doors, Sahara with two doors, and Rubicon with four doors.

Except for height, each of these models shares comparable fuel capacity, with fuel tank sizes ranging from 18 to 21.5 gallons.

1998-2006 Jeep Wrangler Gas Tank Capacity

In 1998, Jeeps with a 19-gallon fuel tank became eligible for registration. At the time, the difference of 0.4 gallons among the last configuration of Jeep Wrangler models ranged from 1998 to 2006.

Through the 1980s and 1990s, Jeeps possessed the demeanor and appeal of die-hard Jeep fans.

How to Measure Your Jeep Wrangler’s Gas Tank Capacity?

To Figure out the volume of your Jeep’s gas tank, you can just measure its length and width and multiply the two numbers together.

The length will be from the beginning of the gas tank to the back, while the width will be from side to side.

After that, you have to multiply these measurements by 0.004329. The result will be your gas tank’s volume in gallons.

Let’s imagine a Jeep s gas tank is 18 ft. long and 6 ft. wide. According to the calculation, its capacity would be 15.14 gallons. Note that this is a simple approximation of the true capacity.

Be conservative when measuring the actual capacity; even a few inches can make a difference.

Do Gas Tank Size and Capacity Impact Fuel Efficiency?

Gas tank size and capacity don’t directly impact fuel efficiency other than the increased mass.

A larger fuel tank means more weight is added to the vehicle and when it’s fuel, you have a significant weight burden.

However, this is quite natural, and every vehicle is constructed keeping in mind this factor.

So, it shouldn’t bother you much. Yes, one thing can be mentioned the larger your Jeep’s gas tank, the more maximum driving range you’ll get.

Tips for Maximizing Fuel Efficiency in Your Jeep Wrangler

When you’re curious about the gas tank size of your Jeep Wrangler, it’s not surprising that fuel efficiency is at the core of your concern.

So, check the below-mentioned tips to help you maximize fuel efficiency in your Jeep Wrangler.

• Try not to burden the load on your Jeep with unnecessary items.
• Ensure proper maintenance of the vehicle.
• Change the engine oil within the recommended period
• You can install hood latches that facilitate better aerodynamics
• Avoid harsh acceleration and rough driving
• Remove the roof rack if it’s not absolutely necessary
• Monitor the tire pressure regularly

FAQs.

Our never-ending curiosity keeps something in mind to ask more. If you also have something to know beyond our discussion, check the following FAQ section.

Why shouldn’t you use the last 4 gallons of gas in a Jeep Wrangler?

The last 4 gallons of the fuel sit on the tin canister that prevents it from exposure to heat and wear. If you use the last drop of fuel, it will tend to be wrapped and damaged over time.

Is it safe to drive the Jeep when it is low on gas?

It’s a bad idea to drive a Jeep Wrangler if it’s empty, as it could damage its gas tank and cause expensive repairs. Additionally, running out of gas could cause you to break down in inappropriate places, such as during dangerous terrain crossings.

Is the Jeep Wrangler’s gas mileage bad?

Not so bad yet not too good either. Jeep Wranglers have a large boxlike shape, increased ground clearance, and four-wheel drive, which maximizes wind resistance and weight, thus reducing fuel efficiency. Besides, their off-roading capacity also affects fuel efficiency.

Final Words

What is the Jeep Wrangler gas tank size and capacity? Is this question still whispering in your mind? Hopefully not.

We admit that pinpointing a constant gas tank for Jeep Wrangler is impossible as there are so many variants.

However, you should be assured that the gas tank size of modern Jeep Wranglers till 2023 will be neither more than 22.5 gallons nor less than 17.5 gallons.

Just be sure you have the owner’s manual with you if you’re waiting for an operation or need more information.

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Jeep Wrangler: The CAN message bus – hacking a better gas gauge. Maybe.

This is the second post regarding my Jeep and hacking the CAN bus via an Arduino and CAN bus shield to extract information from the Jeep’s computer bus. In the previous post I accessed the vehicle speed, and in this one I’m doing something much more important – building a better gas gauge.

Why? To correct for a human deficiency; failing to get gas before I run out. The cheeky “Low Gas” indicator – an amber gas pump icon – becomes visible at about 50 miles remaining, and after that you’re supposed to be sweating fumes. Remember this episode of TV’s Seinfeld where Kramer feels the rush of driving on fumes? Sorry the reference is a bit dated; Big-Bang Theory isn’t for me.

I just wanted to see what’s going on sensor-wise so that I might build a better “Fumes” indicator, perhaps brighter, louder, send me a text, or even an audio message from my mother about procrastinating, etc. – whatever to get my attention.

This is a pretty short post; I’m glossing over connecting to the message bus, and a bunch of other steps – these were covered in my post about my first foray into CAN-sniffing. Please see the references below, including the Arduino source code. The real trick here was to try and figure out what CAN bus Message ID was the one indicating fuel level – these aren’t published online. It took quite a bit of time studying message traffic at different fuel levels to figure it out…and the only message I found seemingly correlating to fuel level is ID #217.

The procedure here was to mount an LCD with the Arduino in the dash junk tray, and I took a reading whenever the gas gauge pointer was on a 1/16 tank tick mark. I used a pencil to take the reading. It was a #2 pencil. Measuring the data was a little problematic, since the Jeep’s float bounces around quite a bit, so I could not grab a reliable number. You’ll see in the code that periodically I accumulate the average reading, so the chart reflects that with it’s stepped appearance.

You see a slight curvature to the data, and that reflects the configuration of the float mechanism. Gas level is the linear height of the liquid in the tank, and the float is on a armature that swings an arc; it’s connected to a potentiometer. So the relationship between gas level and #degrees the pot turns is not linear. When the gas gets lower, the float swings out a wider arc than it does at fuller levels and varies the pot’s resistance by a wider amount. Why is there an inflection point near 3/4? IDK the answer to that one, maybe the float armature goes up past horizontal? It’s like asking the question: Who killed a hooker? It doesn’t matter. My concern is mostly at the bottom end of the scale in the Fumes region.

I had intended to build an alert or something when the reading gets into the Fumes, you can see from the chart that the reading starts to increase more rapidly as fuel is running out. Sweat like Kramer when the reading is 225.

After all this work I scrapped this project, deciding instead to change my gas-filling habits, and my girlfriend didn’t like all the wires all over the dash and as usual: she was right. I hope you can use something from this post! I’m happy to answer any questions you have.

References:

Several CAN coding libraries can be found by Googling: can-utils, Cory J Fowler, Stephen McCoy’s SparkFun library

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