2015 GMC Sierra 1500 MPG
Based on data from 215 vehicles, 22,951 fuel-ups and 6,652,403 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.71 with a 0.04 MPG margin of error.
Below you can see a distribution of the fuel-ups with 718 outliers (3.03%) removed.
Following shows the average MPG of each of the 215 vehicles in the system.
2015 GMC Sierra 1500s For Sale Nearby
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The Sierra
2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Apr 2016 • 32 Fuel-upsProperty of kenrobertson
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14.9 Avg MPG
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Sierra 1500
2015 GMC Sierra 1500 SLT 5.3L FLEX V8 Automatic 6
Added Jun 2015 • 151 Fuel-upsProperty of jp1170
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17.1 Avg MPG
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Sierra
2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
Added Sep 2016 • 93 Fuel-upsProperty of Ottoball
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16.3 Avg MPG
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GMC Sierra 1500 Denali
2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
Added Sep 2016 • 49 Fuel-upsProperty of jsiarto
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15.4 Avg MPG
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Sierra
2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Jul 2015 • 77 Fuel-upsProperty of Pitch
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16.5 Avg MPG
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Vincent
2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Nov 2015 • 21 Fuel-upsProperty of awboxes
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15.6 Avg MPG
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Bronze All-Terrain DC
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
Added Jul 2015 • 16 Fuel-upsProperty of GWXDoubleAT
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16.6 Avg MPG
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HIGHSIERRA
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Nov 2015 • 39 Fuel-upsProperty of PTOWNcommuter
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18.3 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
Added Dec 2015 • 47 Fuel-upsProperty of Pimm1975
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13.9 Avg MPG
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GMC 1500
2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
Added Mar 2017 • 20 Fuel-upsProperty of T-rex1221
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16.5 Avg MPG
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2015 SLT Crew
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Dec 2015 • 15 Fuel-upsProperty of bgillette79
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16.6 Avg MPG
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ryansgmc
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
Added Mar 2016 • 3 Fuel-upsProperty of gmcryan
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15.9 Avg MPG
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2015 Sierra 1500 4X4
2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
Added Jan 2015 • 24 Fuel-upsProperty of eastcoasthd
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16.5 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
Added Oct 2015 • 19 Fuel-upsProperty of swethog
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15.2 Avg MPG
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Otis
2015 GMC Sierra 1500 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Jan 2016 • 5 Fuel-upsProperty of True_North
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16.1 Avg MPG
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DadsGMC
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Jan 2016 • 4 Fuel-upsProperty of mechanicaladvantage
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17.5 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
Added Jan 2016 • 3 Fuel-upsProperty of jrfuelmiser
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16.0 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
Added Dec 2015 • 10 Fuel-upsProperty of 2015Sierra62
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17.0 Avg MPG
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Sierra 6.2L
2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
Added Jun 2015 • 38 Fuel-upsProperty of WyGuy
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18.3 Avg MPG
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My Sierra
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
Added Apr 2015 • 8 Fuel-upsProperty of Ubersteiny
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15.7 Avg MPG