2015 GMC Sierra 1500 MPG
Based on data from 214 vehicles, 22,049 fuel-ups and 6,431,758 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 664 outliers (2.92%) 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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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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Corys 2015 Seirra
2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
Added Sep 2016 • 314 Fuel-upsProperty of MrFastcars
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14.5 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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GMC 1500 SLT
2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Oct 2019 • 167 Fuel-upsProperty of slatejoh
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15.3 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
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Sierra
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Apr 2018 • 366 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 FLEX Automatic 6 Speed Crew Cab Pickup
Added Jun 2015 • 335 Fuel-upsProperty of peterv
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13.7 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
Added Jan 2023 • 17 Fuel-upsProperty of kblunt
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16.2 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
Added Oct 2022 • 10 Fuel-upsProperty of beckstein1964
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15.4 Avg MPG
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Joey's GMC
2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
Added Sep 2016 • 242 Fuel-upsProperty of Shakora
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14.0 Avg MPG
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2015 GMC
2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
Added Sep 2016 • 275 Fuel-upsProperty of bluez06
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15.1 Avg MPG