2014 GMC Sierra 1500 MPG
Based on data from 258 vehicles, 25,633 fuel-ups and 7,709,229 miles of driving, the 2014 GMC Sierra 1500 gets a combined Avg MPG of 15.63 with a 0.04 MPG margin of error.
Below you can see a distribution of the fuel-ups with 1158 outliers (4.32%) removed.
Following shows the average MPG of each of the 258 vehicles in the system.
2014 GMC Sierra 1500s For Sale Nearby
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The Truck
2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Oct 2018 • 231 Fuel-upsProperty of coreyrink
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16.9 Avg MPG
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My Sierra 1500
2014 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
Added Sep 2018 • 289 Fuel-upsProperty of Gott42
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14.7 Avg MPG
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2014 Sierra 1500
2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
Added Feb 2025 • 5 Fuel-upsProperty of dillpill88
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14.4 Avg MPG
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My Sierra 1500
2014 GMC Sierra 1500 Denali 5.3L V8 FLEX Automatic 6 Speed
Added Jan 2025 • 6 Fuel-upsProperty of Notsew96
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13.5 Avg MPG
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Haul It! 2
2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
Added Mar 2019 • 143 Fuel-upsProperty of pcotto87
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15.8 Avg MPG
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Sierra 1500
2014 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Dec 2023 • 431 Fuel-upsProperty of BMooyaso
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18.9 Avg MPG
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Truck
2014 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Aug 2018 • 1151 Fuel-upsProperty of shuckeba
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11.2 Avg MPG
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My Sierra 1500
2014 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
Added Nov 2021 • 97 Fuel-upsProperty of dkelly9
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16.6 Avg MPG
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My Sierra 1500
2014 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
Added Feb 2024 • 24 Fuel-upsProperty of Bward7
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13.7 Avg MPG
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GMC Sierra
2014 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
Added Oct 2019 • 250 Fuel-upsProperty of JoynerFuel
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16.1 Avg MPG
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Larry's GMC Sierra Crew Cab
2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
Added Sep 2016 • 487 Fuel-upsProperty of lundrider
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15.7 Avg MPG
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Sierra 1500 - 2014
2014 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
Added May 2019 • 209 Fuel-upsProperty of SGwyn
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14.8 Avg MPG
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My Denali
2014 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
Added Jan 2023 • 72 Fuel-upsProperty of rwetzeler
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12.8 Avg MPG
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GMC
2014 GMC Sierra 1500 SLT Automatic 6 Speed
Added Nov 2024 • 13 Fuel-upsProperty of texan1955
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15.7 Avg MPG
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My Sierra 1500 SLT
2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
Added Apr 2023 • 74 Fuel-upsProperty of jamesg88
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17.6 Avg MPG
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Furiosa
2014 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
Added Jul 2017 • 389 Fuel-upsProperty of azninc13
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15.4 Avg MPG
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GMC Sierra
2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Oct 2016 • 345 Fuel-upsProperty of corvettec5dave
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17.7 Avg MPG
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My Sierra 1500
2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
Added Nov 2018 • 214 Fuel-upsProperty of Vrooom7979
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14.6 Avg MPG
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My Sierra 1500
2014 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
Added Dec 2020 • 209 Fuel-upsProperty of Don31980
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14.2 Avg MPG
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My Sierra 1500
2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
Added Jun 2020 • 449 Fuel-upsProperty of capnmo
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14.3 Avg MPG