2015 GMC Sierra 1500 MPG
Based on data from 220 vehicles, 24,343 fuel-ups and 7,041,332 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.69 with a 0.04 MPG margin of error.
Below you can see a distribution of the fuel-ups with 743 outliers (2.96%) removed.
Following shows the average MPG of each of the 220 vehicles in the system.
2015 GMC Sierra 1500s For Sale Nearby
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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 • 158 Fuel-upsProperty of Freeweeling
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18.4 Avg MPG
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Sierra
2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
Added Oct 2017 • 235 Fuel-upsProperty of rguerrer93
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15.9 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
Added Oct 2015 • 114 Fuel-upsProperty of Clemsonfan15
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16.0 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 • 347 Fuel-upsProperty of peterv
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13.7 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 • 297 Fuel-upsProperty of dfrazier
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15.9 Avg MPG
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2015 GMC
2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Jul 2024 • 4 Fuel-upsProperty of Jdethington
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15.1 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
Added Oct 2022 • 68 Fuel-upsProperty of beckstein1964
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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 • 180 Fuel-upsProperty of wingbase
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11.9 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
Added Jul 2024 • 3 Fuel-upsProperty of MikeZed164
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37.9 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 • 52 Fuel-upsProperty of macbot2000
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12.2 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 • 204 Fuel-upsProperty of jurbin
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15.8 Avg MPG
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GMC Sierra
2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Feb 2015 • 264 Fuel-upsProperty of glangham
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17.5 Avg MPG
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Sierra
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
Added Aug 2016 • 287 Fuel-upsProperty of Mike1ch
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13.2 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
Added Oct 2023 • 23 Fuel-upsProperty of IceYeti7
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13.3 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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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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‘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