THE WEEKLY DRIVER

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Reliability Database
GMC

Sierra HD

Heavy-Duty Truck
Best Engine ⚠️ Caution (3.3)
3 Generations
21 Engines Rated
498 Total Complaints
Engine Ratings
5 recommended 12 caution 4 avoid

Generation Timeline

2007-2014 2nd
15 engines
196 complaints 🔥 3
2.2L 4-cyl ⚠️ Caution (2.8)
→
2015-2019 3rd
3 engines
71 complaints 🔥 3
Unknown ⚠️ Caution (3.0)
→
2020-2025 4th
3 engines
231 complaints 🔥 4
6.6L 8-cyl ⚠️ Caution (3.3)
→
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