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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Dirty Denali
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Jun 2019 • 38 Fuel-upsProperty of WalterWerks
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14.1 Avg MPG
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GMC Truck
2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Dec 2020 • 197 Fuel-upsProperty of terriblecow
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12.3 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD SLT 6.0L V8 GAS Automatic 6 Speed
Added Oct 2017 • 134 Fuel-upsProperty of cort424
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11.4 Avg MPG
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2015 Truck
2015 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
Added Dec 2018 • 33 Fuel-upsProperty of JunkImpala
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9.3 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
Added Nov 2019 • 4 Fuel-upsProperty of jimmyewilliams
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9.1 Avg MPG
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2500HD
2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Jun 2015 • 166 Fuel-upsProperty of rjhenry
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12.5 Avg MPG
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Denali
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Apr 2018 • 42 Fuel-upsProperty of kbrooks17
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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 Nov 2016 • 200 Fuel-upsProperty of btencer
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11.5 Avg MPG
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GMC
2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2016 • 59 Fuel-upsProperty of tractor3E
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15.0 Avg MPG
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Dirtymax
2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Aug 2019 • 5 Fuel-upsProperty of Tvan2194
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13.0 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jul 2019 • 3 Fuel-upsProperty of wise707
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14.2 Avg MPG
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2015 Denali 2500
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Aug 2016 • 153 Fuel-upsProperty of jesse828
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11.4 Avg MPG
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My Sierra 2500 HD
2015 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Crew Cab Pickup (4 Door)
Added Aug 2015 • 85 Fuel-upsProperty of Hachiroku86
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15.6 Avg MPG
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Sierra 2500 HD
2015 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed
Added Mar 2018 • 71 Fuel-upsProperty of Cfransen1
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11.7 Avg MPG
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GMC
2015 GMC Sierra 2500 HD 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Sep 2018 • 77 Fuel-upsProperty of beefington
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15.4 Avg MPG
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Sara
2015 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Oct 2015 • 121 Fuel-upsProperty of Madams1371
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13.2 Avg MPG
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sierra
2015 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed Extended Cab Pickup
Added Apr 2015 • 153 Fuel-upsProperty of theiceman2448
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11.3 Avg MPG
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GMC Sierra
2015 GMC Sierra 2500 HD SLT 6.0L V8 GAS Automatic 6 Speed
Added Sep 2019 • 128 Fuel-upsProperty of WallyIAm
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13.5 Avg MPG
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Sierra
2015 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Oct 2015 • 75 Fuel-upsProperty of staffordnath
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12.2 Avg MPG
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2018 2500 HD
2015 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
Added Jul 2018 • 12 Fuel-upsProperty of SoundLine
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11.9 Avg MPG