2011 GMC Sierra 1500 MPG
Based on data from 123 vehicles, 10,606 fuel-ups and 3,143,311 miles of driving, the 2011 GMC Sierra 1500 gets a combined Avg MPG of 15.26 with a 0.06 MPG margin of error.
Below you can see a distribution of the fuel-ups with 828 outliers (7.24%) removed.
Following shows the average MPG of each of the 123 vehicles in the system.
2011 GMC Sierra 1500s For Sale Nearby
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GMC Sierra 4x4
2011 GMC Sierra 1500 FLEX V8
Added Jan 2014 • 15 Fuel-upsProperty of P1delboy
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16.2 Avg MPG
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GMC Denali
2011 GMC Sierra 1500 GAS V8
Added May 2014 • 10 Fuel-upsProperty of bigbud500
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15.7 Avg MPG
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Sierra SLT
2011 GMC Sierra 1500 GAS V8
Added Apr 2011 • 91 Fuel-upsProperty of Path07
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14.7 Avg MPG
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GMC
2011 GMC Sierra 1500 FLEX V8
Added Aug 2013 • 34 Fuel-upsProperty of Murph22083
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12.0 Avg MPG
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dont use
2011 GMC Sierra 1500
Added Jan 2020 • 127 Fuel-upsProperty of paultbear
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69.1 Avg MPG
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Sierra
2011 GMC Sierra 1500 GAS V8
Added Feb 2014 • 127 Fuel-upsProperty of paultercier
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18.3 Avg MPG
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dont use
2011 GMC Sierra 1500
Added Jan 2020 • 127 Fuel-upsProperty of paultbear
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69.1 Avg MPG
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Sierra
2011 GMC Sierra 1500
Added Oct 2018 • 127 Fuel-upsProperty of paultercier
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69.1 Avg MPG
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My Sierra
2011 GMC Sierra 1500 FLEX V8
Added Nov 2013 • 10 Fuel-upsProperty of atsmall127
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15.8 Avg MPG
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Betty
2011 GMC Sierra 1500
Added Sep 2013 • 9 Fuel-upsProperty of wdukes12
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14.6 Avg MPG
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2012 GMC Sierra
2011 GMC Sierra 1500 GAS V8
Added Oct 2013 • 6 Fuel-upsProperty of unclebutch41
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16.9 Avg MPG
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Truck
2011 GMC Sierra 1500 GAS V8
Added Apr 2013 • 12 Fuel-upsProperty of Traxx
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17.4 Avg MPG
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11 Sierra
2011 GMC Sierra 1500 GAS
Added Jun 2011 • 59 Fuel-upsProperty of Stonecutter099
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12.3 Avg MPG
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Truck
2011 GMC Sierra 1500 FLEX V8
Added Feb 2012 • 34 Fuel-upsProperty of slecrew
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16.4 Avg MPG
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Sierra
2011 GMC Sierra 1500 FLEX V8
Added Sep 2012 • 4 Fuel-upsProperty of kjhunt2
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16.6 Avg MPG
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GMC Sierra
2011 GMC Sierra 1500 FLEX V8
Added Aug 2012 • 7 Fuel-upsProperty of supermanotorious
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14.9 Avg MPG
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GMC Sierra
2011 GMC Sierra 1500 GAS V6
Added Apr 2011 • 3 Fuel-upsProperty of Pknitty86
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13.7 Avg MPG
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Sierra
2011 GMC Sierra 1500 FLEX V8
Added Dec 2011 • 8 Fuel-upsProperty of conepunter
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14.9 Avg MPG
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Ext Cab 4x4 5.3L BFG ATs
2011 GMC Sierra 1500 FLEX V8
Added Mar 2012 • 7 Fuel-upsProperty of mikehood
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14.9 Avg MPG
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White GMC
2011 GMC Sierra 1500 GAS V8
Added Nov 2011 • 9 Fuel-upsProperty of beardsley
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11.8 Avg MPG