4th Generation Sierra 3500 (2020–2020)
This generation doesn't have enough complaint data (yet)
- PainRank™
- N/A
- Complaints
- 0
- Years
3rd Generation Sierra 3500 (2014–2019)
This generation ranks 4th in reliability out of 36 eligible GMC generations.
2nd Generation Sierra 3500 (2007–2013)
This generation ranks 5th in reliability out of 36 eligible GMC generations.
1st Generation Sierra 3500 (1992–2006)
This generation ranks 6th in reliability out of 36 eligible GMC generations.
GMC Sierra 3500 Generations

The Sierra 3500 has 4 generations available in North American markets. A generation is a group of model years where few, if any, changes were made to the vehicle which means their model years tend to break in similar ways.
The 1st generation (1992—2006) has been the least reliable.
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