2015 GMC Sierra 2500 HD MPG
Based on data from 112 vehicles, 9,736 fuel-ups and 3,176,128 miles of driving, the 2015 GMC Sierra 2500 HD gets a combined Avg MPG of 13.12 with a 0.07 MPG margin of error.
Below you can see a distribution of the fuel-ups with 122 outliers (1.24%) removed.
Following shows the average MPG of each of the 112 vehicles in the system.
2015 GMC Sierra 2500 HDs For Sale Nearby
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Denali
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added May 2018 • 338 Fuel-upsProperty of KTBHDH
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12.1 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jun 2020 • 70 Fuel-upsProperty of ackerman12
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13.9 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 • 486 Fuel-upsProperty of MikeJ135
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13.6 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 • 426 Fuel-upsProperty of artywoof
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9.5 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Dec 2021 • 101 Fuel-upsProperty of cibalibeb
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12.6 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added May 2019 • 256 Fuel-upsProperty of dave012
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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 May 2021 • 220 Fuel-upsProperty of rjkaoud
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12.2 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 • 81 Fuel-upsProperty of k1llswitch
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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 Mar 2019 • 272 Fuel-upsProperty of alibarle
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14.8 Avg MPG
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Truck
2015 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed
Added Mar 2019 • 225 Fuel-upsProperty of Chartley04
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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 2018 • 173 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 SLE 6.6L V8 DIESEL Automatic 6 Speed
Added May 2021 • 92 Fuel-upsProperty of hobby38y
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14.9 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 • 107 Fuel-upsProperty of jpvilches86
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17.4 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 • 52 Fuel-upsProperty of rookiefire14
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14.1 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 • 374 Fuel-upsProperty of DuramaxPoke
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14.0 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 • 180 Fuel-upsProperty of hemigoat2003
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13.1 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2021 • 69 Fuel-upsProperty of cdwarren
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15.4 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
Added May 2018 • 22 Fuel-upsProperty of sexterra23
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10.6 Avg MPG
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Big Blue
2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added May 2014 • 122 Fuel-upsProperty of fightenfire
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15.9 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2021 • 3 Fuel-upsProperty of blayrelily
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36.5 Avg MPG