THE WEEKLY DRIVER

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Reliability Database
GMC

Sierra HD

Heavy-Duty Truck
Best Engine ✅ Recommended (4.1)
3 Generations
21 Engines Rated
498 Total Complaints
Engine Ratings
13 recommended 8 caution

Generation Timeline

2007-2014 2nd
15 engines
196 complaints 🔥 3
2.2L 4-cyl ✅ Recommended (3.6)
→
2015-2019 3rd
3 engines
71 complaints 🔥 3
Unknown ✅ Recommended (3.9)
→
2020-2025 4th
3 engines
231 complaints 🔥 4
6.6L 8-cyl ✅ Recommended (4.1)
→
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