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Is a Dodge Durango a flex fuel vehicle?

The Dodge Durango is not a flex fuel vehicle. The Durango is a large SUV that runs on regular gasoline and does not have the capability to run on alternative fuels like E85 ethanol.


What is a Flex Fuel Vehicle?


A flex fuel vehicle (FFV) is a vehicle that can run on a blend of gasoline and ethanol, typically up to 85% ethanol (E85). These vehicles have special fuel systems and engines that can accommodate the higher ethanol content. Flex fuel vehicles provide drivers with the option to use either regular gasoline or the ethanol-gasoline blend, depending on availability and cost.


Dodge Durango Fuel Specifications


The Dodge Durango is designed to run on regular unleaded gasoline with an octane rating of 87 or higher. It does not have the capability to use E85 or any other alternative fuels. The Durango's engine and fuel system are optimized for standard gasoline, not the higher ethanol blends used in flex fuel vehicles.


Why Isn't the Dodge Durango a Flex Fuel Vehicle?


There are a few key reasons why the Dodge Durango is not offered as a flex fuel vehicle:



  • Fuel System Compatibility: Flex fuel vehicles require specialized fuel system components that can handle the corrosive nature of ethanol-blended fuels. The Durango's standard fuel system is not designed for these higher ethanol blends.

  • Engine Tuning: Flex fuel vehicles have engine calibrations that can adjust the air-fuel ratio and ignition timing to optimize performance on both gasoline and ethanol blends. The Durango's engine is tuned solely for regular gasoline.

  • Market Demand: Flex fuel vehicles are more common in regions where E85 ethanol is widely available, such as the Midwest United States. The demand for flex fuel capability is lower in other parts of the country where E85 is less prevalent.


So in summary, the Dodge Durango is a traditional gasoline-powered SUV and does not offer the flex fuel capability found in some other vehicles. Its engine and fuel system are optimized for regular unleaded gasoline only.

Can a Dodge Durango use flex fuel?


With eFlexFuel systems, you can rest assured that your Durango's engine is in good hands. Our kits are engineered to optimize performance and reliability, so you can hit the road with confidence.



Are E85 and 88 the same?


Unleaded 88 is 15% ethanol, which is why it's cheaper. Flex fuel has anywhere from 51% to 83% ethanol depending on the region and time of year. For this reason, unleaded 88 is sometimes called E15. And flex fuel is called E85 — and some pumps even call it 105 — because it has a ton of octane.



What happens if you put 89 gas instead of 87?


If you opt for a higher octane than your manual recommends—say, 89 instead of 87—your car will be perfectly fine. It will not, however, improve your car's mileage or give it any sort of extra performance boost. The only thing it will do is cost you extra money, so don't do this.



What is considered a flex-fuel vehicle?


Flexible fuel vehicles (FFVs) have an internal combustion engine and are capable of operating on gasoline and any blend of gasoline and ethanol up to 83%.



How do I know if my Dodge is flex fuel?


But determining whether your truck runs on flex fuel is very simple:

  1. There is badging that says “flex fuel” on the rear of your truck.
  2. The gas cap is yellow and the words “flex-fuel vehicle” or “E85” appear on the inside of the fuel door.
  3. Your truck's owner's manual indicates it is a flex fuel vehicle.



What kind of gas does a Dodge Charger V6 take?


regular unleaded gasoline
Dodge Charger and Challenger: Standard models typically require 87-octane regular unleaded gasoline, providing adequate daily driving performance.



Can I use unleaded 88 in my Dodge Durango?


Unleaded 88 has been approved by the U.S. Environmental Protection Agency (EPA) for use in all 2001 and newer cars, trucks and SUVs.



What type of gas does a Dodge Durango take?


Regular unleaded
The 5.7-Liter Hemi V-8
MPG city: 14. MPG highway: 22. MPG combined: 17. Fuel type: Regular unleaded.



What happens if you accidentally put 88 instead of 87?


Engine computers can usually adjust their timing to account for the increased octane levels, so if you put premium gas in a regular car, you probably won't notice anything. However, some engines are not designed to burn higher-octane fuel, and you may see a reduction in performance and fuel economy.



Can I put 87 gas in my Dodge Charger?


Below is a closer look of the Charger sedan's recommended fuel type: SXT: Regular gas — 87-octane or higher. GT: Regular gas — 87-octane or higher. R/T: Midgrade gas — 89-octane or higher.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.