2003 GMC Sierra 1500 MPG
Based on data from 64 vehicles, 5,168 fuel-ups and 1,463,007 miles of driving, the 2003 GMC Sierra 1500 gets a combined Avg MPG of 14.21 with a 0.08 MPG margin of error.
Below you can see a distribution of the fuel-ups with 263 outliers (4.84%) removed.
Following shows the average MPG of each of the 64 vehicles in the system.
2003 GMC Sierra 1500s For Sale Nearby
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Truck
2003 GMC Sierra 1500 GAS V8
Added Dec 2012 • 14 Fuel-upsProperty of quade
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13.1 Avg MPG
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Beast
2003 GMC Sierra 1500 GAS
Added Feb 2012 • 4 Fuel-upsProperty of monkeyrench
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16.7 Avg MPG
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Big blue
2003 GMC Sierra 1500 GAS V8
Added Oct 2011 • 6 Fuel-upsProperty of manny18
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13.8 Avg MPG
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My Truck
2003 GMC Sierra 1500 GAS V8
Added Feb 2012 • 6 Fuel-upsProperty of Rkster
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16.7 Avg MPG