2015 GMC Sierra 2500 HD MPG
Based on data from 115 vehicles, 10,260 fuel-ups and 3,349,302 miles of driving, the 2015 GMC Sierra 2500 HD gets a combined Avg MPG of 13.13 with a 0.07 MPG margin of error.
Below you can see a distribution of the fuel-ups with 140 outliers (1.35%) removed.
Following shows the average MPG of each of the 115 vehicles in the system.
2015 GMC Sierra 2500 HDs For Sale Nearby
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Duke
2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Jun 2019 • 273 Fuel-upsProperty of timsterd
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12.1 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
Added Oct 2017 • 141 Fuel-upsProperty of Funnyguy1045
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10.2 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
Added Apr 2023 • 8 Fuel-upsProperty of yesubyllib
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7.3 Avg MPG
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2015 Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jan 2023 • 231 Fuel-upsProperty of OrangeMonza
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14.5 Avg MPG
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2015 Truck
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Jul 2018 • 182 Fuel-upsProperty of Wallnut61
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13.9 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jul 2016 • 113 Fuel-upsProperty of clnracing
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14.9 Avg MPG
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Denali (22)
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jan 2021 • 70 Fuel-upsProperty of kingtek
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13.2 Avg MPG
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Sierra 2500 HD
2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Aug 2019 • 91 Fuel-upsProperty of Bluewaterworth
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12.9 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added May 2021 • 48 Fuel-upsProperty of Dodge1167
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16.0 Avg MPG
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La Bete
2015 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Extended Cab Pickup
Added Sep 2021 • 3 Fuel-upsProperty of Boo2u2
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18.4 Avg MPG
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2015 GMC
2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Sep 2018 • 188 Fuel-upsProperty of Dentil
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13.0 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
Added May 2020 • 72 Fuel-upsProperty of CaddoCreek
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16.3 Avg MPG
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Brienne
2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed Extended Cab Pickup
Added Sep 2019 • 54 Fuel-upsProperty of Nitsua98
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11.3 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jul 2020 • 35 Fuel-upsProperty of Mlperry
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12.9 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jul 2019 • 5 Fuel-upsProperty of robby9074
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18.9 Avg MPG
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Sierra Denali
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Jan 2018 • 160 Fuel-upsProperty of rivcoinc
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13.4 Avg MPG
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Denali HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Apr 2015 • 149 Fuel-upsProperty of CHR3
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14.8 Avg MPG
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Denali HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Feb 2017 • 190 Fuel-upsProperty of DenaliDad
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13.7 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2020 • 5 Fuel-upsProperty of ThatguyRoy
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11.8 Avg MPG
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GMC
2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Nov 2017 • 127 Fuel-upsProperty of smtyler
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13.4 Avg MPG