What kind of gas does the 2015 Dodge Durango use?

If Your 2015 Dodge Durango has a 3.6 L V6 engine then You'll really only need to use the regulaR87 octane gasoline. If You've got the more powerful 5.7 L V8 then it's recommended that You go foR89 octane but 87 is also acceptable for the engine and won't cause any issues. Both options share the same 24.6 gallon fuel tank. You may receive an increase in fuel economy while using the 89 octane but the other differences won't be too apparent. The vehicle isn't the greatest as far as MPG goes so You may want any benefit You can get as far as that goes. You can expect about 18 mpg city and 25 mpg on the highway. -