I just bought a 93 Suburban 2500 4x4. I absolutely love the truck, but I'm only getting around 10 miles per gallon average! Dont get me wrong, I knew that mileage would suck when I bought it but I expected at least 12 or so. I have'nt even towed my boat with it yet. Does anyone have any idea what kind of mileage I will get with my Wakesetter on the back?
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