Are Jeep Wranglers Good on Gas? Know the Exact Truth

When we talk about jeep cars, a very popular model of Jeep is the wrangler. It gained popularity for its ability to run on any road condition. It is also a favorite to many because of its classic looks.

Jeep Wrangler is a rugged vehicle with a powerful 285-horsepower Pentastar base engine. This engine provides enough power and acceleration to run the vehicle on almost any type of surface.

Now, with popularity and robust engines, the next thing that comes to mind for many people is whether are Jeep wranglers good on gas. Well, in terms of fuel efficiency, wranglers are the least fuel-efficient SUVs available in the market.


Are Jeep Wranglers Good on Gas?

Jeep wranglers are quite favorite to many in terms of looks and off-road riding performance. It gives pretty tough competition to its rival in terms of outlook design.

Although its capability to ride, crawl & climb almost anywhere possible, it does have some drawbacks, which might cause frustration to its owners.

The Jeep Wrangler diesel base engines are considered to be the least fuel-efficient SUVs in the market. The base engines of the Wrangler usually give 22/24 mpg for city/highway.

On the other hand, the turbocharged engines of wranglers give a slightly more 22/24 mpg for city/highway. This turbo engine is also known for better torque and acceleration than the base engine.

Diesel base engines are optional in wranglers, but they provide a little more mileage than other wrangler engines. You can expect 22/29 mpg for city/highway on a diesel-engine wrangler.

It is expected that Jeep is planning to add a plug-in hybrid wrangler to its lineup soon. However, fuel economy ratings are not given yet. Jeep estimates that the hybrid can give up to 50 mpg along with electric and gas.

Are Jeep Wranglers Fuel Efficient?

Jeep Wranglers are considered to be the least fuel-efficient of their rivals. The base engine ones usually give 20/24 mpg for city/highway; however, the turbocharged engines provide slightly more.

If you consider better mileage, you need to go for the optional Diesel engine wrangler. A Diesel engine is considered to be the best in the wrangler lineup in terms of better mileage. The optional Diesel engine can give up to 24 mpg in the city and 29 mpg on the highway.

Jeep stated that their upcoming hybrid wrangler could give up to 50 mpg when running on electric power, and it will have a range of 25 miles on only electric drive options.

Wrangler mileage largely depends on various conditions and surfaces where it’s driven. For example, suppose you are riding on a windy highway with an average of 70 mph. In that case, it might provide less mileage than usual.

Does My Jeep Wrangler Need Premium Gas?

Does My Jeep Wrangler Need Premium Gas

It is known to all that higher octane ratings can provide better mileage to your vehicle. However, all wrangler engines don’t require premium gas with higher Ron octane.

If you consider buying a 2.0-liter wrangler model, it is recommended in the manual that you should use premium gas for this particular engine for better mileage.

On the other hand, if you buy a 2018 Jeep Wrangler JL model with a 3.6 – liter Pentastar V-6, you can run with regular gasoline. It is recommended not to use less than 87 Ron octane to avoid engine damage.

What Jeep Wrangler Model is Best on Gas?

Now you may ask, what wrangler model is best on gas when there are several models and types available in the market?

Well, suppose you consider choosing a wrangler model which will give the best mileage on gas. In that case, there are not many options, but you should consider choosing the 2020 Jeep’s EcoDiesel 3.0- liter V-6 engine.

This 260-horsepower engine has intelligent throttle mapping, which made it capable of both off-road and on-road better-driving experience compared to its gas engine siblings.

The four-door versions of the Jeep EcoDiesel wrangler can give 22/29/25 mpg in city/highway/combined.

What is the Jeep Wrangler Gas Tank Size?

From the very beginning to now Jeep Wrangler model has had different size gas tanks. Some featured bigger gas tanks, and some were a little less. Let’s discuss below how year over year wrangler gas tank capacity changes.

  • (1990-1991)- 12.5 Gallons (UK)
  • (1992). – 16.7 Gallons (UK)
  • (1993). – 12.5 Gallons (UK)
  • (1994). – 16.7 Gallons (UK)
  • (1995). – 12.5 Gallons (UK)
  • (1997). – 15.8 Gallons (UK)
  • (1998). – 12.5 Gallons (UK)
  • (1999-2006) – 15.8 Gallons (UK)
  • (2007-2009) – 18 Gallons (UK)
  • (2010-2017) – 18.7 Gallons (UK)

Do Jeep Wranglers Waste a Lot of Gas?

Jeep wranglers are not very fuel-efficient SUVs compared to their rivals. It might give a little less mileage than others, but unless you install bigger tires or uplift the vehicle than factory settings.

Gas wastage largely depends on how you drive and what surface you are driving your wrangler. If you are always on higher drag, then it might waste more gas than usual.

If your wrangler is not tuned correctly and you haven’t checked the oil filter and air filter after driving for a certain time, your wrangler will waste a lot of gas.

Jeep wranglers have small cabs, so if you load more in your wrangler, it might waste more gas. Wranglers also have a towing ability, making them waste a little more gas than usual.

Another reason for gas wastage is if you don’t maintain a steady speed on the highway. Wranglers perform best and give better mileage if you drive at a steady pace.

What is the Best Gas to Put in a Jeep Wrangler?

Regular octane will not cause any trouble if your vehicle is not recommended for premium gas. Premium gas vehicles will detect the higher Ron octane and will deliver a little more power.

Jeep Wranglers, on the other hand, don’t require premium octane. You can put at least 87 Ron octane in your wrangler, and that will be enough.

It is not recommended to use less than 87 Ron octane in your wrangler as it might cause several problems, and eventually, you will end up with a damaged engine.

You can use a little higher Ron like 88/90/91 when you are traveling on a mountainside. If you use higher-grade octane than recommended, you might get a little extra boost in acceleration, but this is not a sports car, right? Try to use it as a user manual.

Can You Put Regular Gas in a Jeep Wrangler?

What type or grade of octane you should use in your vehicle is written in your user manual. You should always use the recommended quality of gas for better performance output.

Now you may ask if you can put regular gas on your wrangler. The answer is yes, you can. The recommended Ron octane for Jeep Wrangler is 87 in their user manual.

This is the regular gas you find in almost every gas station, but you can sometimes put a little higher octane for a little more performance.

Jeep Wrangler Gas Mileage:

Whether you are driving an old or new model wrangler, most of them are not that fuel-efficient. You might get a little bit more from a Diesel engine, but still, it’s not that much.

A gas-running wrangler usually gives 22-25 mpg. The mileage of the Jeep Wrangler depends on some key factors. Let’s discuss this in detail.

Maintain recommended grade octane:

Every Jeep Wrangler comes with a user manual where you can find the recommended Ron of octane for your wrangler. Most of them suggest using Ron 87, at least.

Use stock setup:

If you uplift your wrangler or add bigger chunkier tires, then it will impact your mileage. It would be best if you always used a stock setup to get the optimum mileage count.

Maintain steady speed:

Whenever you are on the highway, it is recommended that you maintain a steady speed. This will help you to get better mileage than speeding up unnecessarily.

Change the oil filter & air filter over time:

You should check your oil filter and air filter after running your wrangler for a while. If those need to be changed, you should change them immediately. This will give you better mileage, and your engine will last longer.



At the end of the above discussion, we can say Jeep Wrangler is not up to the mark mileage giver. However, some optional Diesel engines of wrangler can provide slightly better mileage.

You can always follow the above-mentioned steps to get consistent mileage from your wrangler, but on average, it will not exceed 25 mpg.

As Jeep is planning to bring hybrid options to the wrangler line, this can be a big step and a game-changing decision among its rivals.

Jeep Wranglers are quite popular with many people. The only drawback is the mileage.

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