- posted
18 years ago
04' 2500 HD 4x4 extended cab 6.0 12,500 miles. Took my first road trip since new.
14.71mpg @ 70mph w/ac. I thought that was pretty damn good. Is that good or should it be better?
i would say not too bad. i have a 98 suburban with a 5.7 and can get 22 at
55 mph, and drops to 15-16 when pushing it at 70-75 mph with air.
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