2012 GMC Sierra 3500 HD MPG
Based on data from 16 vehicles, 1,707 fuel-ups and 596,423 miles of driving, the 2012 GMC Sierra 3500 HD gets a combined Avg MPG of 13.24 with a 0.18 MPG margin of error.
Below you can see a distribution of the fuel-ups with 67 outliers (3.78%) removed.
Following shows the average MPG of each of the 16 vehicles in the system.
2012 GMC Sierra 3500 HDs For Sale Nearby
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My Sierra 3500 HD
2012 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
Added May 2023 • 25 Fuel-upsProperty of DieselDerrick
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10.9 Avg MPG
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2012 Denali
2012 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2016 • 392 Fuel-upsProperty of graeck1
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16.4 Avg MPG
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'12 GMC
2012 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
Added Dec 2016 • 528 Fuel-upsProperty of martinweber
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16.6 Avg MPG
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Jim
2012 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Extended Cab Pickup
Added Apr 2018 • 151 Fuel-upsProperty of jimmiller17
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11.9 Avg MPG
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MillBilly
2012 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Apr 2018 • 41 Fuel-upsProperty of CJayD
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13.0 Avg MPG
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Ton truck
2012 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Extended Cab Pickup
Added Apr 2018 • 10 Fuel-upsProperty of fsb_scoh
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23.3 Avg MPG
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Z Denali
2012 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Aug 2016 • 149 Fuel-upsProperty of k78stuff
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13.3 Avg MPG
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My Sierra 3500 HD
2012 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Feb 2018 • 12 Fuel-upsProperty of pcloss
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14.0 Avg MPG
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My Sierra 3500 HD
2012 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Oct 2016 • 45 Fuel-upsProperty of Whato
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17.3 Avg MPG
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Sierra
2012 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Jan 2017 • 6 Fuel-upsProperty of sinnettc
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13.4 Avg MPG
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GMC
2012 GMC Sierra 3500 HD WT 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2016 • 98 Fuel-upsProperty of seraphim
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12.6 Avg MPG
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2012 3500HD
2012 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Sep 2013 • 320 Fuel-upsProperty of drfife
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10.7 Avg MPG
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My Sierra 3500 HD
2012 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Nov 2015 • 7 Fuel-upsProperty of Karonb
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11.3 Avg MPG
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duelly
2012 GMC Sierra 3500 HD DIESEL
Added Mar 2012 • 17 Fuel-upsProperty of Pamelav
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14.5 Avg MPG
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GMC
2012 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
Added Dec 2016 • 184 Fuel-upsProperty of martinweber
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14.4 Avg MPG
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GMC Sierra
2012 GMC Sierra 3500 HD DIESEL V8
Added May 2012 • 14 Fuel-upsProperty of copperpot126
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11.1 Avg MPG