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· Premium Member
24,131 Posts
Welcome. Premium gas is the best way to improve both fuel economy and power. You can also install an aftermarket tune but these also require premium gas to get the most benefit.

The way to find your best octane/price point. It varies depending on the price differentials and type of driving you do but this will work.

Run your tank down. Then fill with mid-grade and run two full tanks. Pay close attention to throttle feel and acceleration. Then repeat with premium. What you're looking for is the grade of gasoline that gives you the best performance for the pump price. For the 2012s very few members drop back to regular. Some go with premium but many have found that mid-grade gives the best performance for the pump price.
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