2015 GMC Sierra 1500 MPG
Based on data from 213 vehicles, 22,697 fuel-ups and 6,577,194 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.72 with a 0.04 MPG margin of error.
Below you can see a distribution of the fuel-ups with 698 outliers (2.98%) removed.
Following shows the average MPG of each of the 213 vehicles in the system.
2015 GMC Sierra 1500s For Sale Nearby
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Sierra
2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
Added Oct 2017 • 231 Fuel-upsProperty of rguerrer93
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16.0 Avg MPG
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Sierra All Terrain
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
Added Jul 2015 • 234 Fuel-upsProperty of Gilles
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17.3 Avg MPG
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GMC Sierra
2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Nov 2020 • 242 Fuel-upsProperty of glennm66
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14.9 Avg MPG
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GMC 1500 Crew
2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Mar 2019 • 174 Fuel-upsProperty of wingbase
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11.8 Avg MPG
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GMC Sierra
2015 GMC Sierra 1500 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Oct 2021 • 45 Fuel-upsProperty of macbot2000
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12.2 Avg MPG
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2015 GMC SIERRA CREW CAB
2015 GMC Sierra 1500 SLT 6.2L GAS V8 Automatic 8 Crew Cab Pickup (4 Door)
Added May 2015 • 152 Fuel-upsProperty of Freeweeling
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18.4 Avg MPG
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Sierra
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Nov 2018 • 541 Fuel-upsProperty of CStreff
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18.0 Avg MPG
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Sierra
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Apr 2018 • 376 Fuel-upsProperty of ssirik
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14.9 Avg MPG
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Sierra
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Jan 2018 • 223 Fuel-upsProperty of akrutzler
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15.5 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
Added Oct 2020 • 44 Fuel-upsProperty of Selway
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16.8 Avg MPG
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‘15 GMC Sierra
2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
Added Aug 2023 • 4 Fuel-upsProperty of macleoddickey
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16.9 Avg MPG
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Da Kon
2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
Added Sep 2021 • 89 Fuel-upsProperty of Tclechner
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16.1 Avg MPG
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Truck
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
Added Jan 2023 • 14 Fuel-upsProperty of fernwoodnation
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15.4 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
Added Jun 2023 • 6 Fuel-upsProperty of Rjoyce
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15.3 Avg MPG
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Sierra
2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 6 Speed Extended Cab Pickup
Added Aug 2020 • 239 Fuel-upsProperty of DougT2008
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14.4 Avg MPG
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GMC
2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
Added Jun 2017 • 293 Fuel-upsProperty of dfrazier
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15.9 Avg MPG
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Sierra 1500 - Veronica
2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
Added Sep 2023 • 310 Fuel-upsProperty of McCartney
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15.4 Avg MPG
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Sierra 1500 - Veronica
2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
Added Nov 2019 • 310 Fuel-upsProperty of McCartney
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15.4 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 5.3L V8 GAS Automatic 6 Speed
Added Feb 2021 • 106 Fuel-upsProperty of Rivera21
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13.5 Avg MPG
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Sierra 1500
2015 GMC Sierra 1500 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
Added Jun 2019 • 131 Fuel-upsProperty of BlackWatch62
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15.6 Avg MPG