The Weekly Driver
Reliability
GMC

Sierra HD

Heavy-Duty Truck
3 Generations
39 Engines
1,611 Total Complaints
Generations by reliability score
1 above the class average1 about average1 below average

Generation Timeline

2007-2014 2nd
26 engines
650 complaints 12 fire reports
7.9/10
→
2015-2019 3rd
8 engines
462 complaints 17 fire reports
7.5/10
→
2020-2025 4th
5 engines
499 complaints 10 fire reports
5.8/10
→

Inspecting a used GMC Sierra HD? Open the inspection checklist and pick the model year.

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