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Thanks for the replies. Being a 2WD, I assume that'll help a little on the mileage but probably be offset by the bigger wheels. I'll be doing probably half city half highway

btw it's a 5.3L

Hey All, I've recently put down a deposit on a 2007 Z71 flex fuel with about 15k miles on it. It has 22 inch wheels that I fear may hurt the MPG. What am I gonna be looking at as far as miles to the gallon? Any help is appreciated.