2025 GMC Sierra 3500 HD Reviews & Ratings

Read real experiences from 2025 GMC Sierra 3500 HD owners like you.

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GMC Sierra 3500 HD Reviews

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GMC Sierra 3500 HD Reliability Rating

Average

The GMC Sierra 3500 HD Reliability Rating is 2.5 out of 5.0, which ranks it 11th out of 17 for fullsize trucks. The average annual repair cost is $1,121 which means it has poor ownership costs. The frequency of repairs is average, but when issues do arise, they are more likely to be severe than with other models.

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Common GMC Sierra 3500 HD vehicle comparisons

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GMC Sierra 3500 HD Model Reviews Years