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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My Sierra 1500
2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
Added Jun 2017 • 3 Fuel-upsProperty of troy1999
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16.4 Avg MPG
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Phoenix Sierra 1500
2015 GMC Sierra 1500 4.3L V6 FLEX Automatic 6 Speed
Added Mar 2017 • 20 Fuel-upsProperty of RKTfuel
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15.7 Avg MPG
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Hank
2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
Added Aug 2015 • 53 Fuel-upsProperty of sslowpoke
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18.8 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
Added Jun 2017 • 17 Fuel-upsProperty of rumsontrader
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10.5 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
Added Nov 2016 • 27 Fuel-upsProperty of edwardwjq
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18.2 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 • 44 Fuel-upsProperty of mcnewskie
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15.4 Avg MPG
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Sierra
2015 GMC Sierra 1500 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
Added Oct 2015 • 44 Fuel-upsProperty of JBE7
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18.4 Avg MPG
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Sierra 2015
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
Added Sep 2016 • 66 Fuel-upsProperty of sanity
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14.4 Avg MPG
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GMC Sierra Denali
2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
Added Mar 2017 • 5 Fuel-upsProperty of iIsrael007
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15.2 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed
Added Apr 2017 • 8 Fuel-upsProperty of Mazatlan
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15.9 Avg MPG
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Sierra
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Oct 2016 • 15 Fuel-upsProperty of Michaelhoover77
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18.7 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
Added Feb 2017 • 5 Fuel-upsProperty of cameronGMC
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14.1 Avg MPG
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SilverBrick
2015 GMC Sierra 1500 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Feb 2017 • 50 Fuel-upsProperty of SilverBrick
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17.2 Avg MPG
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Sierra
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
Added Mar 2017 • 23 Fuel-upsProperty of Clemsonfan15
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16.2 Avg MPG
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GMC Sierra
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
Added Dec 2016 • 6 Fuel-upsProperty of ehaus82
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13.2 Avg MPG
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All Terrain
2015 GMC Sierra 1500 All Terrain
Added Mar 2017 • 96 Fuel-upsProperty of sappermiller
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15.2 Avg MPG
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Steve
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
Added Aug 2015 • 29 Fuel-upsProperty of jdru66
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16.7 Avg MPG
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Sierra 1500
2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Extended Cab Pickup
Added Apr 2018 • 50 Fuel-upsProperty of marino454
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16.0 Avg MPG
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Denali
2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
Added Jul 2015 • 62 Fuel-upsProperty of jraschke11
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15.4 Avg MPG
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GMC Sierra
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Nov 2015 • 54 Fuel-upsProperty of tdb729
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14.0 Avg MPG