Originally Posted by subbie09
I also have the Pentstar. I was averaging
19.5 combined city and driveway. Since I upgraded to a 275/55/20 tire, I lost 1 mpg and now.averaging around 18.5. for the size and weight of the vehicle, I am.more than happy. It is a great engine and power wise I am happy.
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Is that a 50% city and 50% driveway? If so, that is fantastic! My MPG drops like a brick when my jeep is in the driveway.
Sorry, I haven't had all my coffee yet and my sense of humor is warped anyway.