2015 GMC Sierra 1500 MPG
Based on data from 215 vehicles, 22,979 fuel-ups and 6,660,488 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.71 with a 0.04 MPG margin of error.
Below you can see a distribution of the fuel-ups with 718 outliers (3.03%) removed.
Following shows the average MPG of each of the 215 vehicles in the system.
2015 GMC Sierra 1500s For Sale Nearby
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My Sierra 1500
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
Added Jan 2020 • 8 Fuel-upsProperty of SpedMan
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11.1 Avg MPG
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GMC
2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
Added May 2019 • 29 Fuel-upsProperty of dkrutka24
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14.8 Avg MPG
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Truck
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
Added Sep 2016 • 154 Fuel-upsProperty of drmiket
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15.9 Avg MPG
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Bertha (Traded)
2015 GMC Sierra 1500 Denali 5.3L V8 FLEX Automatic 6 Speed
Added Sep 2016 • 187 Fuel-upsProperty of AndieAnderson
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15.6 Avg MPG
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2015 GMC 1500
2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed
Added May 2017 • 93 Fuel-upsProperty of JackMrla
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16.9 Avg MPG
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2015 Sierra
2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
Added Sep 2019 • 3 Fuel-upsProperty of ilovemaui
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14.4 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
Added Jan 2016 • 165 Fuel-upsProperty of deckep
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16.9 Avg MPG
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GMC Sierra
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Dec 2018 • 24 Fuel-upsProperty of GatorCowboy
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15.9 Avg MPG
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Sierra
2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
Added Sep 2015 • 160 Fuel-upsProperty of savaytse66
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16.2 Avg MPG
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15 Sierra Z-71
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Jul 2016 • 155 Fuel-upsProperty of ajgeiman
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16.2 Avg MPG
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Sierra
2015 GMC Sierra 1500 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
Added Aug 2016 • 102 Fuel-upsProperty of ottovanb
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15.2 Avg MPG
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My Sierra 1500
2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
Added Feb 2019 • 14 Fuel-upsProperty of black_denali
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15.5 Avg MPG
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Ricky’s Sierra
2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
Added Jul 2018 • 31 Fuel-upsProperty of rickylford
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16.9 Avg MPG
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Sierra
2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
Added Oct 2017 • 267 Fuel-upsProperty of shauntritz
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10.9 Avg MPG
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GMC Sierra
2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
Added Sep 2016 • 71 Fuel-upsProperty of texasdoc
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17.1 Avg MPG
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2015 GMC
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
Added Sep 2018 • 20 Fuel-upsProperty of NJFF41
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18.1 Avg MPG
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2015 Sierra
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Apr 2016 • 246 Fuel-upsProperty of civicsiracer06
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13.9 Avg MPG
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Gmc Sierra
2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
Added Mar 2017 • 153 Fuel-upsProperty of dphi201
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16.5 Avg MPG
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The White Truck
2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
Added Jun 2018 • 5 Fuel-upsProperty of nedrolls
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15.4 Avg MPG
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My Truck
2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Jul 2018 • 457 Fuel-upsProperty of arosin
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17.4 Avg MPG