2012 GMC Sierra 2500 HD MPG
Based on data from 48 vehicles, 3,975 fuel-ups and 1,291,824 miles of driving, the 2012 GMC Sierra 2500 HD gets a combined Avg MPG of 13.56 with a 0.10 MPG margin of error.
Below you can see a distribution of the fuel-ups with 290 outliers (6.80%) removed.
Following shows the average MPG of each of the 48 vehicles in the system.
2012 GMC Sierra 2500 HDs For Sale Nearby
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GMC
2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added May 2018 • 274 Fuel-upsProperty of autodata
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12.6 Avg MPG
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GMC
2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Feb 2022 • 83 Fuel-upsProperty of BrendanPoston
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14.6 Avg MPG
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2012 GMC Sierra 2500HD
2012 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2016 • 148 Fuel-upsProperty of bklynbullet
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13.0 Avg MPG
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Denali
2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Sep 2020 • 207 Fuel-upsProperty of jerry3039
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13.9 Avg MPG
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My Sierra 2500 HD
2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jun 2017 • 309 Fuel-upsProperty of avi8er82
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14.3 Avg MPG
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GMC 2500HD
2012 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Oct 2017 • 302 Fuel-upsProperty of rrustong
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13.9 Avg MPG
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Sierra 2500 HD
2012 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
Added Nov 2023 • 23 Fuel-upsProperty of Ind-Mtber77
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11.4 Avg MPG
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00 2012 Chugs 2500hd
2012 GMC Sierra 2500 HD WT 6.0L V8 GAS Automatic 6 Speed
Added Apr 2024 • 34 Fuel-upsProperty of saxy415
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10.1 Avg MPG
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Sierra HD K2500
2012 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Aug 2016 • 399 Fuel-upsProperty of pavkurcon
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13.8 Avg MPG
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My Sierra 2500 HD
2012 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed
Added Nov 2023 • 44 Fuel-upsProperty of doitrightdad
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10.3 Avg MPG
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Texas
2012 GMC Sierra 2500 HD SLT 6.0L V8 GAS Automatic 6 Speed Cab & Chassis - Crew Cab
Added Jan 2024 • 33 Fuel-upsProperty of raltendorf
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9.1 Avg MPG
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Duramax
2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2016 • 117 Fuel-upsProperty of wings180
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15.8 Avg MPG
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My Sierra 2500 HD
2012 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
Added Sep 2024 • 132 Fuel-upsProperty of Dennis-391
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12.5 Avg MPG
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2012 Gmc Sierra SLT DURAMAX
2012 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Nov 2017 • 180 Fuel-upsProperty of pewterformula
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15.8 Avg MPG
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Sierra 2500 HD
2012 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
Added Mar 2019 • 74 Fuel-upsProperty of navy0010
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13.7 Avg MPG
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My Sierra 2500 HD
2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jan 2023 • 4 Fuel-upsProperty of ddumo98
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13.8 Avg MPG
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My Sierra 2500 HD
2012 GMC Sierra 2500 HD WT 6.0L V8 FLEX Automatic 6 Speed
Added Mar 2022 • 6 Fuel-upsProperty of FordTough48
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12.0 Avg MPG
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My Sierra 2500 HD
2012 GMC Sierra 2500 HD WT 6.0L V8 FLEX Automatic 6 Speed
Added Jan 2020 • 19 Fuel-upsProperty of KENJUMP
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11.4 Avg MPG
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My Sierra 2500 HD
2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Aug 2019 • 76 Fuel-upsProperty of jwp51819
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15.5 Avg MPG
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Denali HD
2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added May 2016 • 204 Fuel-upsProperty of maaiman
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15.2 Avg MPG