2003 GMC Sierra 1500 MPG
Based on data from 65 vehicles, 5,186 fuel-ups and 1,468,731 miles of driving, the 2003 GMC Sierra 1500 gets a combined Avg MPG of 14.21 with a 0.08 MPG margin of error.
Below you can see a distribution of the fuel-ups with 265 outliers (4.86%) removed.
Following shows the average MPG of each of the 65 vehicles in the system.
2003 GMC Sierra 1500s For Sale Nearby
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Big birtha
2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
Added Mar 2017 • 33 Fuel-upsProperty of evansutton17
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12.2 Avg MPG
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My Sierra 1500
2003 GMC Sierra 1500 4.3L V6 GAS Automatic 4 Speed
Added Jan 2018 • 11 Fuel-upsProperty of faultlined
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16.0 Avg MPG
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Truck
2003 GMC Sierra 1500 WT 4.3L V6 GAS Extended Cab Pickup
Added Oct 2017 • 95 Fuel-upsProperty of Rhawkins
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16.1 Avg MPG
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My Sierra 1500
2003 GMC Sierra 1500 SL 4.8L V8 GAS Automatic 4 Speed
Added Feb 2018 • 29 Fuel-upsProperty of drs3
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15.9 Avg MPG
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Dad's Truck
2003 GMC Sierra 1500 4.3L V6 GAS Standard 5 Speed Standard Cab Pickup
Added Jan 2018 • 15 Fuel-upsProperty of faultlined
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16.3 Avg MPG
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Sierra
2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
Added Feb 2016 • 85 Fuel-upsProperty of s_hassell97
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14.6 Avg MPG
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My Sierra 1500
2003 GMC Sierra 1500 SLE 5.3L V8 GAS Standard 5 Speed
Added Jan 2016 • 18 Fuel-upsProperty of clark62
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17.8 Avg MPG
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Sierra
2003 GMC Sierra 1500 SLT Extended Cab Pickup
Added Oct 2017 • 14 Fuel-upsProperty of rickels
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15.6 Avg MPG
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2003 GMC Sierra
2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
Added Aug 2016 • 251 Fuel-upsProperty of bdow718
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14.6 Avg MPG
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My Sierra 1500
2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Dec 2016 • 7 Fuel-upsProperty of RidgeDick
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17.4 Avg MPG
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old blue
2003 GMC Sierra 1500 GAS V6
Added Mar 2014 • 84 Fuel-upsProperty of km1360
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15.3 Avg MPG
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GMC Sierra
2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
Added Oct 2017 • 30 Fuel-upsProperty of abi2012
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13.4 Avg MPG
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GMC Pickup
2003 GMC Sierra 1500 SLE 4.3L V6 GAS Automatic 4 Speed
Added Sep 2016 • 188 Fuel-upsProperty of genebilltest
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18.4 Avg MPG
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z Old gmc truck
2003 GMC Sierra 1500 SL
Added Apr 2018 • 143 Fuel-upsProperty of ve3kaw
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6.9 Avg MPG
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Sold - GMC
2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Sep 2016 • 185 Fuel-upsProperty of Fasgas
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15.2 Avg MPG
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My Sierra 1500
2003 GMC Sierra 1500 SLT 5.3L GAS V8 Automatic 4 Extended Cab Pickup (4 Door)
Added Mar 2015 • 5 Fuel-upsProperty of Missingdeathbed
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19.3 Avg MPG
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Truck
2003 GMC Sierra 1500 GAS V8
Added Jan 2013 • 44 Fuel-upsProperty of Jaymere
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16.1 Avg MPG
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Trailer Queen
2003 GMC Sierra 1500 GAS V8
Added Sep 2011 • 59 Fuel-upsProperty of Bluedragon
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16.3 Avg MPG
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GMC1500
2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
Added Aug 2017 • 5 Fuel-upsProperty of murdoc2003
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13.6 Avg MPG
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2003 Gmc sierra 1500 5.3L 4x4
2003 GMC Sierra 1500 GAS V8
Added Jan 2013 • 3 Fuel-upsProperty of BigBoy2112
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9.6 Avg MPG