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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Z71
2003 GMC Sierra 1500 SLT 5.3L GAS V8 Automatic 4 Extended Cab Pickup (4 Door)
Added Sep 2014 • 143 Fuel-upsProperty of 5bassman
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11.3 Avg MPG
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GMC 2003
2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Sep 2020 • 57 Fuel-upsProperty of XLR8260
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14.0 Avg MPG
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My Sierra 1500
2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
Added Dec 2021 • 4 Fuel-upsProperty of sammyiammy
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9.3 Avg MPG
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My Sierra 1500
2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Aug 2019 • 78 Fuel-upsProperty of Reeves89
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14.5 Avg MPG
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My Sierra 1500
2003 GMC Sierra 1500 4.3L V6 GAS Automatic 4 Speed
Added Mar 2018 • 59 Fuel-upsProperty of jasonmdecker
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17.7 Avg MPG
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2003 Sierra 1500
2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
Added Mar 2017 • 131 Fuel-upsProperty of Sandhopper
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14.4 Avg MPG
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My Sierra 1500
2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
Added Nov 2016 • 104 Fuel-upsProperty of bradk4687
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13.5 Avg MPG
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2003 GMC
2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
Added Oct 2017 • 140 Fuel-upsProperty of Rivera
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19.8 Avg MPG
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My Sierra 1500
2003 GMC Sierra 1500 Denali 6.0L V8 GAS Automatic 4 Speed
Added Feb 2021 • 6 Fuel-upsProperty of TyGordon
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11.8 Avg MPG
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Truck 4x4 extended cab
2003 GMC Sierra 1500
Added Mar 2013 • 84 Fuel-upsProperty of bernermobile
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16.1 Avg MPG
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My Sierra 1500
2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
Added Mar 2020 • 25 Fuel-upsProperty of afi1
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17.3 Avg MPG
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My Sierra 1500
2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
Added Jul 2017 • 82 Fuel-upsProperty of zaomaster
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14.8 Avg MPG
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Sierra
2003 GMC Sierra 1500 SLT 4.8L V8 GAS Automatic 4 Speed
Added Aug 2016 • 120 Fuel-upsProperty of reknigh
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13.4 Avg MPG
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Sierra 1500
2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Jun 2018 • 30 Fuel-upsProperty of Parsonrick
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15.6 Avg MPG
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My Sierra 1500
2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added May 2019 • 6 Fuel-upsProperty of zac_parker88
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15.8 Avg MPG
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Truck
2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
Added Mar 2018 • 56 Fuel-upsProperty of SlammerAngel
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12.8 Avg MPG
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My Sierra 1500
2003 GMC Sierra 1500 Denali 6.0L V8 GAS Automatic 4 Speed
Added Mar 2017 • 18 Fuel-upsProperty of jsills
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7.8 Avg MPG
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GMC Seirra
2003 GMC Sierra 1500 SL
Added Apr 2018 • 105 Fuel-upsProperty of ve3kaw
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14.6 Avg MPG
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GMC Sierra
2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
Added Oct 2014 • 730 Fuel-upsProperty of ScrapIT
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15.0 Avg MPG
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My Sierra 1500
2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Jan 2018 • 10 Fuel-upsProperty of midsouthgeek
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12.0 Avg MPG