2015 GMC Sierra 3500 HD MPG
Based on data from 32 vehicles, 2,439 fuel-ups and 934,906 miles of driving, the 2015 GMC Sierra 3500 HD gets a combined Avg MPG of 14.18 with a 0.17 MPG margin of error.
Below you can see a distribution of the fuel-ups with 26 outliers (1.05%) removed.
Following shows the average MPG of each of the 32 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 SLE 6.6L V8 DIESEL Automatic 6 Speed
Added Jun 2017 • 16 Fuel-upsProperty of Pogobird
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14.6 Avg MPG
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White GMC
2015 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2016 • 150 Fuel-upsProperty of jambiefsj
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14.8 Avg MPG
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3500 HD
2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Feb 2018 • 83 Fuel-upsProperty of finchman82
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15.4 Avg MPG
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Denali
2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added May 2018 • 75 Fuel-upsProperty of marcottemw
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11.8 Avg MPG
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My Sierra 3500 HD
2015 GMC Sierra 3500 HD 6.0L V8 GAS Automatic 6 Speed
Added Sep 2019 • 14 Fuel-upsProperty of jjj4x4
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8.5 Avg MPG
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2015 3500 Sierra
2015 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added May 2019 • 21 Fuel-upsProperty of NJFF41
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15.3 Avg MPG
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GMC Hd
2015 GMC Sierra 3500 HD 6.6L V8 DIESEL Automatic 6 Speed Cab & Chassis - Crew Cab
Added Oct 2018 • 160 Fuel-upsProperty of dflores81
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13.8 Avg MPG
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GMC Sierra 3500 HD
2015 GMC Sierra 3500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
Added Dec 2018 • 17 Fuel-upsProperty of CAPaul
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12.6 Avg MPG
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Little Red Wagon
2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Feb 2018 • 215 Fuel-upsProperty of ANK01
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14.6 Avg MPG
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Sierra 3500 HD
2015 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
Added Mar 2018 • 62 Fuel-upsProperty of Crash
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14.0 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 Apr 2018 • 51 Fuel-upsProperty of tbelllis1963
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15.0 Avg MPG
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My Sierra 3500 HD
2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added 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 Cab & Chassis - Crew Cab
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 Sep 2016 • 256 Fuel-upsProperty of nbomar1
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13.9 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