4th Generation Sierra 1500
- Years
- 2019–2021
- Reliability
- 19th out of 32
- PainRank™
- 3.2
- Complaints
- 16
3rd Generation Sierra 1500
- Years
- 2014–2018
- Reliability
- 31st out of 32
- PainRank™
- 20.46
- Complaints
- 577
2nd Generation Sierra 1500
- Years
- 2008–2013
- Reliability
- 28th out of 32
- PainRank™
- 11.22
- Complaints
- 197
1st Generation Sierra 1500
- Years
- 1999–2007
- Reliability
- 24th out of 32
- PainRank™
- 8.86
- Complaints
- 277
GMC Sierra 1500 Generations
The Sierra 1500 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 3rd generation (2014—2018) has been the least reliable.
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