2023 GMC Sierra 3500 HD MPG
Based on data from 9 vehicles, 276 fuel-ups and 93,450 miles of driving, the 2023 GMC Sierra 3500 HD gets a combined Avg MPG of 12.70 with a 0.48 MPG margin of error.
Below you can see a distribution of the fuel-ups with 0 outliers (0.00%) removed.
Following shows the average MPG of each of the 9 vehicles in the system.
2023 GMC Sierra 3500 HDs For Sale Nearby
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My Sierra 3500 HD
2023 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Jan 2024 • 17 Fuel-upsProperty of gmcphoto25
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10.0 Avg MPG
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Truck #36 LG
2023 GMC Sierra 3500 HD Pro 6.6L V8 DIESEL Automatic 10 Speed
Added Aug 2024 • 26 Fuel-upsProperty of gprp
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11.6 Avg MPG
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My Sierra 3500 HD
2023 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Aug 2023 • 63 Fuel-upsProperty of Roadrunner2019
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13.8 Avg MPG
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My Sierra 3500 HD
2023 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Jul 2024 • 11 Fuel-upsProperty of HaulnNutz
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14.9 Avg MPG
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GMC Sierra 3500 HD Denali Dually
2023 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Jan 2023 • 48 Fuel-upsProperty of 2023Dually
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10.4 Avg MPG
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My Sierra 3500 HD
2023 GMC Sierra 3500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
Added May 2023 • 58 Fuel-upsProperty of ncbruen
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11.0 Avg MPG
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My Sierra 3500 HD
2023 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Jan 2024 • 33 Fuel-upsProperty of turbotuner
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15.0 Avg MPG
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Blue Steel
2023 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Aug 2023 • 29 Fuel-upsProperty of taintfair
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15.1 Avg MPG
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My Sierra 3500 HD
2023 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Jul 2023 • 19 Fuel-upsProperty of joh02051
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15.5 Avg MPG