The 2025 GMC Sierra 2500 HD, equipped with the 10-speed "Allison" transmission, rough shifting,
The worst 2025 GMC Sierra HD problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Transmission1
Problems by type
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- Transmission1
Recalls
No recalls on record for this model year.
What 2025 GMC Sierra HD owners say
Most recent owner complaints, unedited.
Compare the 2025 GMC Sierra HD
Other model years
20152025
Questions about the 2025 GMC Sierra HD
Is the 2025 GMC Sierra HD reliable?
Owners have filed 1 complaint about the 2025 GMC Sierra HD, fewer than a typical Sierra HD model year.
What is the most common problem with the 2025 GMC Sierra HD?
Transmission and drivetrain, with 1 complaint.
How many recalls does the 2025 GMC Sierra HD have?
No recalls on record.
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