Regular or Premium? - Jeep Renegade Forum
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post #1 of 20 (permalink) Old 02-15-2016, 04:26 AM Thread Starter
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Regular or Premium?

Lets put it to a vote! do you put the recommended premium gas in your renegade or regular and why? Have not decided what I am going to do yet lol.
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post #2 of 20 (permalink) Old 02-15-2016, 04:46 AM
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Ours takes 87 regular gas.

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post #3 of 20 (permalink) Old 02-15-2016, 08:46 AM
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Do you have a manual?

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post #4 of 20 (permalink) Old 02-15-2016, 08:51 AM
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Turbo = Premium
NA = Regular
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post #5 of 20 (permalink) Old 02-15-2016, 08:52 AM
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85 octane here.
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post #6 of 20 (permalink) Old 02-15-2016, 10:00 AM
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For the 2.4 engine 87 regular is the recommended fuel, that is what I use.

For the 1.4 engine the owners manual states high quality 87 provides satisfactory fuel economy and performance. For optimum performance and fuel economy the use of 91 or higher is recommended.


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post #7 of 20 (permalink) Old 02-15-2016, 11:06 AM
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I run premium in my 1.4 turbo. It will run on 87, but it's worth the small extra cost to me to know that the engine is allowed to run within its optimal design parameters.


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post #8 of 20 (permalink) Old 02-15-2016, 11:30 AM
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My Renegade has about 2500 miles on it, and I've only filled it with premium fuel. At an extra $2 per tank versus regular, I haven't felt the need to try anything but premium. Out of curiosity I may try regular just to see how it performs, but I've been so satisfied with the performance on premium that I haven't changed. I'm averaging about 22-23 MPG in town, and about 27 on the highway at high speeds (75-80 mph).

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post #9 of 20 (permalink) Old 02-15-2016, 02:48 PM
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In general using Premium when Regular is specced makes rarely sense, since there are most likely no gains. Using Regular where Premium is specced does usually not damage anything thanks to timing being automatically retarded to prevent knocking, but comes most often with a noticeable power loss. My Audi, which specs Premium fuel, does get worse gas mileage and has less power with Regular.

Also, the denser the air, the more readily/uncontrolled fuel detonates. That's why at high altitude, where the air is thinner, you will find gas with slightly lower octave ratings.

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post #10 of 20 (permalink) Old 02-15-2016, 02:51 PM
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Lengthy discussion here too: Will the 1.4T Need Premium?


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