2023 GMC Sierra 3500 HD MPG
Based on data from 7 vehicles, 144 fuel-ups and 46,105 miles of driving, the 2023 GMC Sierra 3500 HD gets a combined Avg MPG of 13.04 with a 0.69 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 7 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 • 13 Fuel-upsProperty of turbotuner
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16.1 Avg MPG
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My Sierra 3500 HD
2023 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Aug 2023 • 30 Fuel-upsProperty of Roadrunner2019
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14.5 Avg MPG
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Blue Steel
2023 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Aug 2023 • 15 Fuel-upsProperty of taintfair
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13.9 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 • 4 Fuel-upsProperty of gmcphoto25
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12.7 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 • 33 Fuel-upsProperty of 2023Dually
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10.5 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
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My Sierra 3500 HD
2023 GMC Sierra 3500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
Added May 2023 • 44 Fuel-upsProperty of ncbruen
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11.3 Avg MPG