2003 GMC Sierra 2500 HD MPG
Based on data from 62 vehicles, 4,772 fuel-ups and 1,423,250 miles of driving, the 2003 GMC Sierra 2500 HD gets a combined Avg MPG of 14.08 with a 0.12 MPG margin of error.
Below you can see a distribution of the fuel-ups with 83 outliers (1.71%) removed.
Following shows the average MPG of each of the 62 vehicles in the system.
2003 GMC Sierra 2500 HDs For Sale Nearby
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My Sierra 2500 HD
2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
Added Jul 2017 • 94 Fuel-upsProperty of G1974
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16.9 Avg MPG
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Truck
2003 GMC Sierra 2500 HD 6.6L V8 DIESEL
Added Feb 2021 • 255 Fuel-upsProperty of dusty123456
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19.0 Avg MPG
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Gmc Truck
2003 GMC Sierra 2500 HD 6.6L V8 DIESEL
Added Oct 2017 • 196 Fuel-upsProperty of jfyoung11
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14.4 Avg MPG
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GMC Duramax
2003 GMC Sierra 2500 HD SLE
Added Jun 2018 • 248 Fuel-upsProperty of main1
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14.1 Avg MPG
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Duramax
2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
Added Mar 2018 • 308 Fuel-upsProperty of timp1968
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16.0 Avg MPG
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GMC 2500hd
2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
Added Sep 2016 • 52 Fuel-upsProperty of mdw612
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15.8 Avg MPG
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Chanchito
2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
Added May 2017 • 155 Fuel-upsProperty of davidrperkins
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14.5 Avg MPG
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DMax
2003 GMC Sierra 2500 HD SLT 6.0L V8 CNG Automatic 4 Speed
Added Sep 2022 • 56 Fuel-upsProperty of BowManGuardian
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15.2 Avg MPG
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Duramax
2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
Added Feb 2013 • 279 Fuel-upsProperty of DAVe3283
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15.4 Avg MPG
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Sierra 2500 HD
2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
Added Mar 2021 • 40 Fuel-upsProperty of HoundzRig
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14.7 Avg MPG
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Sierra
2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
Added May 2017 • 180 Fuel-upsProperty of 2xGrey
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16.6 Avg MPG
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GMC
2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
Added Nov 2017 • 110 Fuel-upsProperty of jim44
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17.5 Avg MPG
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Dad's Truck
2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
Added Apr 2021 • 142 Fuel-upsProperty of dlindval
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12.9 Avg MPG
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GMC Sierra 2500 HD (2003)
2003 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 4 Speed
Added Sep 2017 • 14 Fuel-upsProperty of dlr007
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10.5 Avg MPG
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My Sierra with new dash
2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
Added Dec 2020 • 29 Fuel-upsProperty of MEMatta
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14.9 Avg MPG
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Sierra
2003 GMC Sierra 2500 HD SLE
Added Jul 2023 • 44 Fuel-upsProperty of Erich309
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17.1 Avg MPG
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GMC Sierra 2500HD
2003 GMC Sierra 2500 HD SLE 8.1L V8 GAS Automatic 5 Speed Crew Cab Pickup
Added Jan 2019 • 372 Fuel-upsProperty of nmartens09
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9.3 Avg MPG
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Plow Truck
2003 GMC Sierra 2500 HD 6.0L V8 GAS Automatic 4 Speed Standard Cab Pickup
Added Nov 2022 • 3 Fuel-upsProperty of allalaskan
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5.1 Avg MPG
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My Sierra 2500 HD
2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
Added May 2017 • 212 Fuel-upsProperty of Mpmcnasty
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16.8 Avg MPG
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2003 GMC Sierra Duramax
2003 GMC Sierra 2500 HD 6.6L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
Added Feb 2017 • 264 Fuel-upsProperty of srlew
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15.8 Avg MPG