2015 GMC Sierra 2500 HD MPG
Based on data from 115 vehicles, 10,214 fuel-ups and 3,334,780 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 139 outliers (1.34%) 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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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Mar 2019 • 305 Fuel-upsProperty of alibarle
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14.7 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD 6.6L V8 DIESEL Automatic 6 Speed
Added May 2024 • 18 Fuel-upsProperty of chadlamb185
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14.5 Avg MPG
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Truck
2015 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed
Added Mar 2019 • 252 Fuel-upsProperty of Chartley04
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11.3 Avg MPG
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El Caballo Negro
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2020 • 121 Fuel-upsProperty of jpvilches86
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17.3 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
Added Aug 2019 • 99 Fuel-upsProperty of k1llswitch
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13.6 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jun 2020 • 79 Fuel-upsProperty of ackerman12
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14.0 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
Added Jun 2024 • 11 Fuel-upsProperty of HOMEslice93
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17.7 Avg MPG
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GMC Sierra 2500 HD
2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
Added Sep 2017 • 459 Fuel-upsProperty of artywoof
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9.4 Avg MPG
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My Truck
2015 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Mar 2020 • 534 Fuel-upsProperty of MikeJ135
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14.1 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 2018 • 183 Fuel-upsProperty of hunter9312
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16.5 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Dec 2017 • 402 Fuel-upsProperty of DuramaxPoke
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14.2 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 • 249 Fuel-upsProperty of rjkaoud
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12.3 Avg MPG
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GMC Truck
2015 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
Added Mar 2017 • 201 Fuel-upsProperty of thevinman2
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9.9 Avg MPG
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Denali
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added May 2018 • 363 Fuel-upsProperty of KTBHDH
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12.1 Avg MPG
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Sierra 2500 HD
2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Oct 2018 • 123 Fuel-upsProperty of DooChess
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15.5 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 2021 • 103 Fuel-upsProperty of hobby38y
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15.1 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 2019 • 292 Fuel-upsProperty of dave012
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13.7 Avg MPG
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2015 Sierra 2500
2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Dec 2015 • 186 Fuel-upsProperty of hemigoat2003
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13.2 Avg MPG
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2015 Sierra 2500 HD Denali
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Mar 2019 • 66 Fuel-upsProperty of tlish1
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14.2 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jun 2021 • 71 Fuel-upsProperty of rookiefire14
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14.4 Avg MPG