2012 GMC Sierra 2500 HD MPG
Based on data from 48 vehicles, 3,967 fuel-ups and 1,289,482 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 289 outliers (6.79%) 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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My Sierra 2500 HD
2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added May 2017 • 45 Fuel-upsProperty of strattonshan
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15.4 Avg MPG
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2012 Sierra 2500 HD
2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Nov 2017 • 89 Fuel-upsProperty of TheDon81
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14.5 Avg MPG
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My Sierra 2500 HD
2012 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Nov 2017 • 141 Fuel-upsProperty of tirogers
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13.4 Avg MPG
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My Sierra 2500 HD
2012 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed
Added Apr 2019 • 10 Fuel-upsProperty of FoxcreteBH
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10.1 Avg MPG
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My Sierra 2500 HD
2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Oct 2017 • 32 Fuel-upsProperty of evanmoore
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15.6 Avg MPG
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Sierra
2012 GMC Sierra 2500 HD SLT Automatic 6 Speed
Added Jul 2018 • 144 Fuel-upsProperty of rtforbed
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13.8 Avg MPG
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GMC Sierra 2500 HD
2012 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
Added Mar 2017 • 32 Fuel-upsProperty of Rabbitn88
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11.9 Avg MPG
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2012 Sierra 2500 HD
2012 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2016 • 32 Fuel-upsProperty of smokinu454
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17.2 Avg MPG
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2012 Work truck
2012 GMC Sierra 2500 HD WT 6.0L V8 FLEX Automatic 6 Speed
Added May 2018 • 5 Fuel-upsProperty of Jason35
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12.4 Avg MPG
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Wild Bill
2012 GMC Sierra 2500 HD WT 6.0L V8 FLEX Automatic 6 Speed Extended Cab Pickup
Added Aug 2015 • 253 Fuel-upsProperty of lnthomp
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12.7 Avg MPG
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GMC 2012 Denali
2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added May 2016 • 316 Fuel-upsProperty of tacoma7583
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13.7 Avg MPG
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FrostByte
2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Mar 2017 • 15 Fuel-upsProperty of Flexspeed
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11.6 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 • 10 Fuel-upsProperty of TheGodfather2010
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14.1 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 2017 • 9 Fuel-upsProperty of JKovalcik
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15.6 Avg MPG
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Mad Max
2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Feb 2015 • 108 Fuel-upsProperty of MNMoose
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14.6 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 2016 • 18 Fuel-upsProperty of aps241
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10.5 Avg MPG
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Lml
2012 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
Added Nov 2020 • 3 Fuel-upsProperty of sickdiesel
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14.1 Avg MPG
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1188
2012 GMC Sierra 2500 HD WT 6.0L V8 FLEX Automatic 6 Speed Extended Cab Pickup
Added Nov 2015 • 22 Fuel-upsProperty of BigDCompanies
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10.1 Avg MPG
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Red Devil
2012 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Crew Cab Pickup (4 Door)
Added Jun 2015 • 13 Fuel-upsProperty of CanuckleHead7
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8.8 Avg MPG
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Bob's Pickup
2012 GMC Sierra 2500 HD DIESEL V8
Added Dec 2012 • 33 Fuel-upsProperty of rhenium188
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16.1 Avg MPG