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so i been getting gas for my 1.4 turbo and i must say its freggin expensive for a full tank.. 80$/ full tank using premium 91 octain gas. Needs to be filled every 2 weeks (500km)

What kind of gas are you guys using? Does it really matter
 

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so i been getting gas for my 1.4 turbo and i must say its freggin expensive for a full tank.. 80$/ full tank using premium 91 octain gas. Needs to be filled every 2 weeks (500km)

What kind of gas are you guys using? Does it really matter
I'm useing 89 octain and the book says anything above 85 is ok.and i still get 36-38 miles per gallon. what is anyone else getting
 

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I always use 93, the car just runs better stronger, and gets better gas milage with the 93 octane. How is it costing you $80??? That's nuts! How much is it per gallon where you live? It usually cost me about 30 to 35 bucks for a half tank.
 

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I have tried using both and I'm seeing better mpg with 87. I don't know why or even if I'm right. Both chevron fuels and I drive 220 miles a day. And I only get about 30 mpg overall with 87. But 28 with 92. Average speed is around 80 mph.

Haven't tried both fuels at 65 mph as that would just take way too much time. But when I drive at the speed I do get the EPA estimated 37.

Still sucks because my 2001 Saturn 1.9 NA got the same mpg. So the American auto industry couldn't do better in 12 years.
 

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I have about 5,000 miles on my dart now. I have experimented with all 3 grades of fuel and can say I do not feel much of a difference between them. I have logged the mileage of every tank and although i only drive 7 miles on the freeway each day my combined freeway and city driving is averaging 28.8 mpg. I do average about 1.5 mpg higher with the 92 octane vs. the 87. My longest road trip I got 39.1 mpg with 4 adults in the car and the cruise control set at 70 mph.
 
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