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Sierra HD
Problems
Engine (30%)
Transmission and Drivetrain (15%)
Brakes and Traction Control (9%)
Suspension and Steering (18%)
Electrical and Air Conditioning (23%)
Paint, Rust, Leaks, Rattles, and Trim (4%)
Other (2%)
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8-cylinder automatic 4WD
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Engine not specified
turbocharged 8-cylinder diesel automatic 2WD
See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently GMC Sierra HD problems occur, check out our car reliability stats.