2008 GMC Sierra 1500 MPG
Based on data from 112 vehicles, 8,547 fuel-ups and 2,361,139 miles of driving, the 2008 GMC Sierra 1500 gets a combined Avg MPG of 14.01 with a 0.06 MPG margin of error.
Below you can see a distribution of the fuel-ups with 280 outliers (3.17%) removed.
Following shows the average MPG of each of the 112 vehicles in the system.
2008 GMC Sierra 1500s For Sale Nearby
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Sierra
2008 GMC Sierra 1500 FLEX V8
Added Apr 2013 • 7 Fuel-upsProperty of BigE04
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15.4 Avg MPG
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GMC Sierra 1500 SLE
2008 GMC Sierra 1500 GAS V8
Added Apr 2012 • 51 Fuel-upsProperty of 2Slow4u
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16.5 Avg MPG
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2008 GMC Sierra CCSB
2008 GMC Sierra 1500 GAS V8
Added Jan 2012 • 38 Fuel-upsProperty of holty15301
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18.2 Avg MPG
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2008 GMC TRUCK
2008 GMC Sierra 1500 GAS V8
Added Feb 2013 • 6 Fuel-upsProperty of JTRUCK
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16.0 Avg MPG
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2008 GMC Sierra SLE
2008 GMC Sierra 1500 GAS V8
Added Aug 2012 • 3 Fuel-upsProperty of Kemosobie
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16.0 Avg MPG
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Blue GMC Sierra
2008 GMC Sierra 1500 GAS V8
Added Feb 2011 • 51 Fuel-upsProperty of bowlingd
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14.5 Avg MPG
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GMC Sierra
2008 GMC Sierra 1500 GAS V8
Added Mar 2012 • 22 Fuel-upsProperty of 08SierraOH
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18.6 Avg MPG
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Work Truck
2008 GMC Sierra 1500 GAS V8
Added Jun 2011 • 21 Fuel-upsProperty of CRwill
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17.3 Avg MPG
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GMC Truck
2008 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Mar 2017 • 9 Fuel-upsProperty of Gonzo928
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14.0 Avg MPG
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Sierra
2008 GMC Sierra 1500
Added Aug 2009 • 3 Fuel-upsProperty of raf0098
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19.9 Avg MPG
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Sierra
2008 GMC Sierra 1500 GAS V8
Added Apr 2009 • 9 Fuel-upsProperty of dubai911
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15.6 Avg MPG
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GMC
2008 GMC Sierra 1500 GAS V8
Added Nov 2008 • 12 Fuel-upsProperty of OneFire
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15.2 Avg MPG