Originally Posted by Jvmorales05
I have a 2015 grand Cherokee srt. I've put about 600 miles on it so far and average mpg is between 9-13, so about 11-12 on most tanks. About half, 200-300 of the miles were on highway. Kind of disappointed with mpg performance as this is at the minimum or beneath the epa ranges.
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Best thing for MPG is take your right foot off the gas.
You don't get Power without Cost. More powa more fuel. your moving a 5500lb suv with the aerodynamics of a brick.
plus the SRT doesn't start hitting it's stride and learning your habits till around 3,000 to 5,000 Miles.