2003 GMC Sierra 2500 HD MPG
Based on data from 66 vehicles, 4,879 fuel-ups and 1,448,453 miles of driving, the 2003 GMC Sierra 2500 HD gets a combined Avg MPG of 14.16 with a 0.12 MPG margin of error.
Below you can see a distribution of the fuel-ups with 77 outliers (1.55%) removed.
Following shows the average MPG of each of the 66 vehicles in the system.
2003 GMC Sierra 2500 HDs For Sale Nearby
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Duramax
2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
Added Mar 2018 • 330 Fuel-upsProperty of timp1968
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16.0 Avg MPG
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Duramax
2003 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 5 Speed
Added Feb 2024 • 9 Fuel-upsProperty of Ideracing7
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12.3 Avg MPG
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Chanchito
2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
Added May 2017 • 157 Fuel-upsProperty of davidrperkins
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14.5 Avg MPG
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My Sierra 2500 HD
2003 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 4 Speed
Added Feb 2024 • 19 Fuel-upsProperty of Ben_buggy
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8.8 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 • 52 Fuel-upsProperty of HoundzRig
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15.2 Avg MPG
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My Sierra 2500 HD
2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
Added Jul 2017 • 159 Fuel-upsProperty of G1974
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17.7 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 • 287 Fuel-upsProperty of DAVe3283
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15.3 Avg MPG
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GMC Sierra 2500 HD 2003
2003 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 5 Speed
Added Mar 2024 • 25 Fuel-upsProperty of ScooterMann
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17.6 Avg MPG
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GMC 2500hd
2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
Added Sep 2016 • 54 Fuel-upsProperty of mdw612
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15.7 Avg MPG
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My Sierra 2500 HD
2003 GMC Sierra 2500 HD WT 8.1L V8 GAS Automatic 4 Speed
Added Oct 2023 • 7 Fuel-upsProperty of chapdou
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9.5 Avg MPG
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GMC Duramax
2003 GMC Sierra 2500 HD SLE
Added Jun 2018 • 256 Fuel-upsProperty of main1
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14.1 Avg MPG
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Sierra
2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
Added May 2017 • 185 Fuel-upsProperty of 2xGrey
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16.7 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 • 16 Fuel-upsProperty of dlr007
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10.7 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 • 373 Fuel-upsProperty of nmartens09
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9.3 Avg MPG
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Sierra
2003 GMC Sierra 2500 HD SLE
Added Jul 2023 • 50 Fuel-upsProperty of Erich309
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17.2 Avg MPG
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Truck
2003 GMC Sierra 2500 HD 6.6L V8 DIESEL
Added Feb 2021 • 257 Fuel-upsProperty of dusty123456
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19.0 Avg MPG
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My Sierra 2500 HD
2003 GMC Sierra 2500 HD SLT 6.0L V8 CNG Automatic 4 Speed
Added Jun 2024 • 7 Fuel-upsProperty of albert7700
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10.8 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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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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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