2015 GMC Sierra 1500 MPG
Based on data from 213 vehicles, 22,693 fuel-ups and 6,576,176 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.72 with a 0.04 MPG margin of error.
Below you can see a distribution of the fuel-ups with 698 outliers (2.98%) removed.
Following shows the average MPG of each of the 213 vehicles in the system.
2015 GMC Sierra 1500s For Sale Nearby
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Diamond
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Nov 2015 • 5 Fuel-upsProperty of dsbegay
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28.2 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
Added Sep 2015 • 15 Fuel-upsProperty of randywine
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18.8 Avg MPG
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Grey
2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Sep 2015 • 9 Fuel-upsProperty of condrasek1514
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16.0 Avg MPG
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All Terrain
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Oct 2015 • 7 Fuel-upsProperty of Paradoxjr
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18.5 Avg MPG
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15sierra
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Crew Cab Pickup (4 Door)
Added Jun 2015 • 14 Fuel-upsProperty of tdidirtbag
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17.6 Avg MPG
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15Sierre
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
Added Oct 2015 • 3 Fuel-upsProperty of 05retro
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19.4 Avg MPG
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Sierra
2015 GMC Sierra 1500 SLT 6.2L GAS V8 Automatic 8 Crew Cab Pickup (4 Door)
Added Mar 2015 • 23 Fuel-upsProperty of brockalocka
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18.8 Avg MPG
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Sierra SLE DC 4x4
2015 GMC Sierra 1500 SLE 5.3L GAS V8 Automatic 6
Added Feb 2015 • 28 Fuel-upsProperty of ember1205
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16.7 Avg MPG
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Rented XTS
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
Added Sep 2016 • 4 Fuel-upsProperty of jrulapaugh
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22.6 Avg MPG
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6.2L Denali
2015 GMC Sierra 1500 Denali 6.2L GAS V8 Automatic 8 Crew Cab Pickup (4 Door)
Added Mar 2015 • 3 Fuel-upsProperty of bfalke1
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14.9 Avg MPG
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Sierra SLE Max Tow
2015 GMC Sierra 1500 SLE 5.3L GAS V8 Automatic 6 Crew Cab Pickup (4 Door)
Added Dec 2014 • 7 Fuel-upsProperty of GasInTheTank
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18.6 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLT 5.3L GAS V8 Automatic 6 Crew Cab Pickup (4 Door)
Added Jan 2015 • 3 Fuel-upsProperty of windward_coug
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17.1 Avg MPG
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GMC Denali
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
Added Aug 2016 • 423 Fuel-upsProperty of kpwaterdoc
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9.9 Avg MPG