2012 GMC Sierra 1500 MPG
Based on data from 84 vehicles, 6,537 fuel-ups and 1,899,803 miles of driving, the 2012 GMC Sierra 1500 gets a combined Avg MPG of 14.65 with a 0.08 MPG margin of error.
Below you can see a distribution of the fuel-ups with 154 outliers (2.30%) removed.
Following shows the average MPG of each of the 84 vehicles in the system.
2012 GMC Sierra 1500s For Sale Nearby
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2012 GMC Sierra 4x4
2012 GMC Sierra 1500 FLEX V8
Added Feb 2013 • 8 Fuel-upsProperty of evans5665
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34.5 Avg MPG
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Black Betty
2012 GMC Sierra 1500 FLEX V8
Added Sep 2012 • 18 Fuel-upsProperty of noplugs52
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10.2 Avg MPG
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Sierra
2012 GMC Sierra 1500 FLEX V8
Added Oct 2012 • 6 Fuel-upsProperty of txbubba
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14.7 Avg MPG
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GMC_Sierra
2012 GMC Sierra 1500 FLEX V8
Added Sep 2013 • 14 Fuel-upsProperty of blamarche
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14.1 Avg MPG