2015 GMC Sierra 2500 HD MPG
Based on data from 115 vehicles, 10,264 fuel-ups and 3,350,406 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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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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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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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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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 SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Jun 2023 • 52 Fuel-upsProperty of dsmitty37
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16.3 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 • 85 Fuel-upsProperty of dirtymax15
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13.8 Avg MPG
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Sierra 2500
2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Aug 2024 • 14 Fuel-upsProperty of ruemawson
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11.8 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 • 87 Fuel-upsProperty of natesmith16
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17.3 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2021 • 74 Fuel-upsProperty of cdwarren
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15.5 Avg MPG
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New Pickup
2015 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
Added Jul 2024 • 63 Fuel-upsProperty of Eben85
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16.2 Avg MPG
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Black Beauty
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Dec 2020 • 85 Fuel-upsProperty of mschweizer68
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16.4 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2021 • 3 Fuel-upsProperty of blayrelily
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36.5 Avg MPG
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GMC Denali HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Apr 2023 • 165 Fuel-upsProperty of gbender2379
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14.2 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2023 • 6 Fuel-upsProperty of mikeJonze
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14.3 Avg MPG
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2500HD
2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Jul 2022 • 28 Fuel-upsProperty of dhinger1986
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10.5 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jun 2015 • 353 Fuel-upsProperty of flymhi
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15.3 Avg MPG
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Sierra Denali
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Mar 2020 • 69 Fuel-upsProperty of MikeGes
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12.3 Avg MPG
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Dmax Denali
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2018 • 4 Fuel-upsProperty of jwjost
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43.0 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 2023 • 10 Fuel-upsProperty of esgutah78
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11.7 Avg MPG