2007 GMC Sierra 1500HD Classic - Consumer Reviews

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Fuel Milage
By Pete on 01/26/10 08:48 AM (PST)

Vehicle

2007 GMC Sierra 1500HD Classic SLE2 4dr Crew Cab SB (6.0L 8cyl 4A)

Review

My 1500 HD is a beast on fuel. No matter what I do I can not get over 13.5 MPG. While I appreciate it's [power and towing abilities i did not expect to take such a hit on fuel economy. I traded a 1500 with the 5.3 which was getting 22.7 at highway speeds. Next time I will buy a Tundra which can tow just as much and when not towing get 18-20 mpg.
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