2014 GMC Sierra 1500 MPG
Based on data from 261 vehicles, 26,035 fuel-ups and 7,826,058 miles of driving, the 2014 GMC Sierra 1500 gets a combined Avg MPG of 15.62 with a 0.04 MPG margin of error.
Below you can see a distribution of the fuel-ups with 1173 outliers (4.31%) removed.
Following shows the average MPG of each of the 261 vehicles in the system.
2014 GMC Sierra 1500s For Sale Nearby
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Sierra
2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Jan 2025 • 340 Fuel-upsProperty of Mthompson
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14.3 Avg MPG
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GMC sierra allterrain
2014 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
Added Feb 2018 • 315 Fuel-upsProperty of jayner86
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11.5 Avg MPG
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My Sierra 1500
2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
Added Nov 2018 • 224 Fuel-upsProperty of Vrooom7979
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14.6 Avg MPG
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2014 GMC Sierra
2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Apr 2019 • 228 Fuel-upsProperty of hoffman720
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13.8 Avg MPG
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2014 GMC
2014 GMC Sierra 1500 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
Added Jan 2024 • 22 Fuel-upsProperty of Toddskia
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15.0 Avg MPG
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My Sierra 1500
2014 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
Added Apr 2025 • 20 Fuel-upsProperty of Chuck_Yager
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11.8 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 • 445 Fuel-upsProperty of BMooyaso
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18.9 Avg MPG
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14 Sierra
2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Apr 2018 • 363 Fuel-upsProperty of Bassbuster88
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15.3 Avg MPG
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My Sierra 1500
2014 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
Added Feb 2024 • 33 Fuel-upsProperty of Bward7
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14.0 Avg MPG
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2-2014 GMC Sierra
2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
Added Mar 2017 • 595 Fuel-upsProperty of Larry942
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15.8 Avg MPG
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My Sierra 1500
2014 GMC Sierra 1500 Denali 5.3L V8 FLEX Automatic 6 Speed
Added Jan 2025 • 32 Fuel-upsProperty of Notsew96
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14.5 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 • 89 Fuel-upsProperty of jamesg88
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17.4 Avg MPG
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My Sierra 1500
2014 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
Added Jun 2023 • 68 Fuel-upsProperty of DLoewen
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14.4 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 • 1180 Fuel-upsProperty of shuckeba
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11.2 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 • 503 Fuel-upsProperty of lundrider
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15.7 Avg MPG
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George
2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Jun 2020 • 419 Fuel-upsProperty of GeorgeParker
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19.6 Avg MPG
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My Sierra 1500
2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
Added Jun 2020 • 462 Fuel-upsProperty of capnmo
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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 Oct 2024 • 42 Fuel-upsProperty of truckerjosh
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15.0 Avg MPG
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Dale
2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
Added Jan 2025 • 445 Fuel-upsProperty of anousackns
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15.7 Avg MPG
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My Sierra 1500
2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
Added Mar 2025 • 6 Fuel-upsProperty of JHaag3683
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14.0 Avg MPG