2015 GMC Sierra 1500 MPG
Based on data from 214 vehicles, 22,058 fuel-ups and 6,434,686 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.77 with a 0.04 MPG margin of error.
Below you can see a distribution of the fuel-ups with 665 outliers (2.93%) removed.
Following shows the average MPG of each of the 214 vehicles in the system.
2015 GMC Sierra 1500s For Sale Nearby
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Denali
2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
Added Mar 2017 • 236 Fuel-upsProperty of giro
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15.5 Avg MPG
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Corys 2015 Seirra
2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
Added Sep 2016 • 315 Fuel-upsProperty of MrFastcars
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14.5 Avg MPG
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Silver Surfer
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
Added Apr 2016 • 364 Fuel-upsProperty of humenfly
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17.6 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 • 367 Fuel-upsProperty of ssirik
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14.9 Avg MPG
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GMC Sierra
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added May 2015 • 446 Fuel-upsProperty of Arctic388
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16.3 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 • 171 Fuel-upsProperty of wingbase
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11.8 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
Added Nov 2019 • 84 Fuel-upsProperty of Musang
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15.0 Avg MPG
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GMC 1500 SLT
2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Oct 2019 • 168 Fuel-upsProperty of slatejoh
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15.3 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
Added Jan 2018 • 373 Fuel-upsProperty of Karels
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16.8 Avg MPG
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Sierra 1500
2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
Added May 2020 • 194 Fuel-upsProperty of jurbin
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15.9 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
Added Sep 2019 • 287 Fuel-upsProperty of CaptAbrahamSmollett
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15.3 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
Added Aug 2023 • 61 Fuel-upsProperty of Nholley
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18.0 Avg MPG
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GMC Sierra Denali
2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
Added Aug 2016 • 373 Fuel-upsProperty of mnetland
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18.6 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
Added Mar 2023 • 34 Fuel-upsProperty of Hetelle
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15.6 Avg MPG
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GMC
2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Jul 2021 • 371 Fuel-upsProperty of jarrett85
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15.3 Avg MPG
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GMC Truck
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added May 2020 • 125 Fuel-upsProperty of Chuck16785
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17.3 Avg MPG
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2015 GMC Sierra 1500 SLT
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
Added Dec 2018 • 294 Fuel-upsProperty of mnvik28
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14.5 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 • 530 Fuel-upsProperty of CStreff
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18.1 Avg MPG
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2015 GMC Sierra Crew Cab
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
Added Oct 2016 • 300 Fuel-upsProperty of dbowman711
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15.8 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 5.3L V8 FLEX Automatic 6 Speed
Added Jul 2020 • 36 Fuel-upsProperty of jc5570
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15.6 Avg MPG