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Most Common Nissan Vehicle Questions In Seattle, Tacoma, And Bellevue Washington

Auburn Drivers: Should You Use Premium or Regular Gas in Your 2018 Nissan Rogue Sport?
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(Posted on Nov 15, 2018 at 10:01AM by Robert Bacon)

Hi Robert,

I just picked up a new 2018 Nissan Rogue Sport and want to take care of it. Normally, I would use regular gas but Iâ€™m considering making the switch to premium. What difference would this make to my car?

Thanks,
Ben

Hi, Ben!

Congratulations on the new purchase. The 2018 Nissan Rogue Sport is a great machine. This vehicleâ€™s engine is actually designed to run on regular gas so itâ€™s really not necessary to use premium.

In the old days, premium gas had a lot of additives and detergents which made your vehicle run more smoothly. But, due to government regulationsÂ aimed at cutting emissions, even regular fuel is high quality now.Â

Old engines also used to have a hard time dealing with varying octane ratings. They would run better on the high levels found in premium gas. But modern control systems can compensate for this by adjusting the ignition timing, so no damage is caused.

Since high-octane fuel can be compressed and heated to a greater degree without self-igniting, it can generate more power: so it does have its uses. But, generally, only performance engines get a lot of benefit from this.

The bottom line is: your Rogue Sport will run just fine on regular gas. And, while premium may shave half a second off its 0-60 mph time, it's not worth the extra cost at the pumps.

Thanks for contacting Kirkland Nissan, Ben!

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Fuel Economy Questions

Is Cranking Up the A/C in the Seattle Heat in Your Nissan Hurting Your Fuel Economy?
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(Posted on Jul 26, 2018 at 02:50AM by Kiera Dailey)

Dear Kiera,Â

Which is better for fuel efficiency? Running the A/C or rolling down the windows?

Best,
Â

Sam

This question gets asked quite a bit and, unfortunately, there isn't a one-size-fits-all answer. Driving conditions instead define every output.

Letâ€™s take a look at the 2004 study by the Society of Automotive Engineers. Using a sedan (like the Maxima) and an SUV (such as the Armada), they put both both methods to the test; and, my, were they surprised.

According to their findings, running the A/C while driving does indeed decrease fuel economy by 5-10%. These results, however, only apply when traveling down city streets. Once you rev onto the highway, rolling down the windows can send your gas mileage plummeting. They came to the conclusion that, when speed exceeds 45 mph, air resistance created by the seemingly more economical approach accounts for a 20% decline.Â

In a world that places increasing emphasis on efficiency, it seems everyone is looking to improve fuel economy wherever possible. A good rule of thumb is toÂ tryÂ toÂ reserve most of your driving for the cooler parts of the day; namely, in the morning or late in the evening. Ultimately, keeping the windows rolled up and the A/C turned off is the best way to save gas.

I hope that helps, Sam! Let us know if you notice any change in your economy!

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