Gas Mileage
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2010 regular cab, 4x4, 4.6, 6 speed automatic with the 3.73 LS rear end. Just put 800 miles on her going to North Carolina and averaged 18.6 MPG at around 70 MPH. I generally get around 15-16 MPH running back and forth to work. I run a set of 305/50-20's all summer long and it gets pretty much the same mileage.
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XLT 4x2 with the 5.0, 3.55s and my best so far is 22.7 with the cruise set at 68. I usually get about 20.5 for a week's mixed driving. Weather conditions can really cut yourmpg. A headwind can take off 2 mpg, so I have discovered. I have one trip meter that has never been reset since the truck was built and it shows 19.4 mpg for 10,100 miles.
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Jim
Jim
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2010 regular cab, 4x4, 4.6, 6 speed automatic with the 3.73 LS rear end. Just put 800 miles on her going to North Carolina and averaged 18.6 MPG at around 70 MPH. I generally get around 15-16 MPH running back and forth to work. I run a set of 305/50-20's all summer long and it gets pretty much the same mileage.
Same specs as yours. And about same milage. But factory lt 245-75-17 tires.
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XLT 4x2 with the 5.0, 3.55s and my best so far is 22.7 with the cruise set at 68. I usually get about 20.5 for a week's mixed driving. Weather conditions can really cut yourmpg. A headwind can take off 2 mpg, so I have discovered. I have one trip meter that has never been reset since the truck was built and it shows 19.4 mpg for 10,100 miles.
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