2015 GMC Sierra 3500 HD MPG
Based on data from 47 vehicles, 3,970 fuel-ups and 1,436,331 miles of driving, the 2015 GMC Sierra 3500 HD gets a combined Avg MPG of 13.56 with a 0.13 MPG margin of error.
Below you can see a distribution of the fuel-ups with 64 outliers (1.59%) removed.
Following shows the average MPG of each of the 47 vehicles in the system.
2015 GMC Sierra 3500 HDs For Sale Nearby
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My Sierra 3500 HD
2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added May 2021 • 28 Fuel-upsProperty of fatalberts
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10.7 Avg MPG
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3500 HD
2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Feb 2018 • 176 Fuel-upsProperty of finchman82
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14.8 Avg MPG
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Dually
2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Jul 2020 • 29 Fuel-upsProperty of Mayne318
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17.5 Avg MPG
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My Sierra 3500 HD
2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Mar 2021 • 3 Fuel-upsProperty of Daddys-Dually
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12.0 Avg MPG
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My Sierra 3500 HD
2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Dec 2019 • 10 Fuel-upsProperty of Gordy86
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14.2 Avg MPG
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White GMC
2015 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2016 • 160 Fuel-upsProperty of jambiefsj
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14.8 Avg MPG
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My Sierra 3500 HD
2015 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
Added Jun 2017 • 19 Fuel-upsProperty of Pogobird
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15.1 Avg MPG
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My Sierra 3500 HD
2015 GMC Sierra 3500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
Added Mar 2018 • 79 Fuel-upsProperty of exrr35
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16.5 Avg MPG
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My Sierra 3500 HD
2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jul 2018 • 27 Fuel-upsProperty of lost_okie
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13.5 Avg MPG
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Gmc 3500
2015 GMC Sierra 3500 HD 6.6L V8 DIESEL Automatic 6 Speed
Added Mar 2017 • 254 Fuel-upsProperty of johndeere160lc
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13.6 Avg MPG
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GMC HD
2015 GMC Sierra 3500 HD 6.6L V8 DIESEL Automatic 6 Speed
Added Oct 2018 • 179 Fuel-upsProperty of dflores81
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14.2 Avg MPG
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Great white
2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Feb 2015 • 70 Fuel-upsProperty of 2manyliters
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14.4 Avg MPG
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2015 GMC 3500
2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Oct 2016 • 192 Fuel-upsProperty of modoan
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13.1 Avg MPG
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Denali
2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Sep 2015 • 203 Fuel-upsProperty of cowdoc
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19.6 Avg MPG
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My Sierra 3500 HD
2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Apr 2015 • 145 Fuel-upsProperty of exrr35
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17.5 Avg MPG
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Tims Denali Dually
2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Sep 2015 • 98 Fuel-upsProperty of tjflanman
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11.6 Avg MPG
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GMC 3500
2015 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2016 • 46 Fuel-upsProperty of xrayman
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17.7 Avg MPG
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My Sierra 3500 HD
2015 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2017 • 5 Fuel-upsProperty of chinaay
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10.7 Avg MPG
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My Sierra 3500 HD
2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Oct 2015 • 75 Fuel-upsProperty of gjtj
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14.1 Avg MPG
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My Sierra 3500 HD
2015 GMC Sierra 3500 HD SLE
Added May 2016 • 4 Fuel-upsProperty of Pogobird
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12.0 Avg MPG