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2026 GMC Sierra 1500
Problems & Complaints
Worst 2026 GMC Sierra 1500 Problems by Category
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Compare GMC Sierra 1500 Model Years
Curious how the 2026 Sierra 1500 compares to other years?
Check out our GMC Sierra 1500 overview to see the most problematic years, worst problems and most recently reported complaints with the Sierra 1500.
Worst 2026 GMC Sierra 1500 Problems
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#1: Catastrophic Engine Failure 2026 Sierra 1500
- Average Cost to Fix:
- N/A
- Average Mileage:
- 3,000 mi
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