| 2020 | Recommended | 7 | 5.3L V8 Active Fuel Management lifter failure and oil consumption.; 8L90 eight-speed automatic shudder, harsh shifts and transmission failure. | Full report ↗ |
| 2022 | Caution | 6 | 6.2L L87 V8 connecting-rod and main-bearing failure causing sudden loss of power and engine failure, subject to a GM engine recall and inspection.; 10-speed automatic harsh or delayed shifting and shudder. | Full report ↗ |
| 2019 | Caution | 6 | 5.3L V8 Active Fuel Management lifter failure and oil consumption.; 8L90 eight-speed automatic shudder, harsh shifts and transmission failure. | Full report ↗ |
| 2018 | Caution | 6 | Brake-vacuum-pump failure causes a hard brake pedal and reduced braking assist (recall-related).; 5.3L V8 Active Fuel Management lifter failure and oil consumption.; 8L90 eight-speed automatic shudder, harsh shifts and transmission failure. | Full report ↗ |
| 2014 | Caution | 6 | Takata passenger-airbag inflator recall (NHTSA 21V053000); removing the airbag often reveals or worsens cracks in the brittle dashboard, complicating the repair.; 5.3L V8 Active Fuel Management oil consumption with lower-end and lifter wear that can require engine repairs.; Brittle dashboard cracks over the passenger airbag and along the top of the dash, a widespread age-related complaint. | Full report ↗ |
| 2013 | Caution | 6 | Takata passenger-airbag inflator recall (NHTSA 21V053000); removing the airbag often reveals or worsens cracks in the brittle dashboard, complicating the repair.; 5.3L V8 Active Fuel Management oil consumption with lower-end and lifter wear that can require engine repairs.; Brittle dashboard cracks over the passenger airbag and along the top of the dash, a widespread age-related complaint. | Full report ↗ |
| 2012 | Caution | 6 | Takata passenger-airbag inflator recall (NHTSA 21V053000); removing the airbag often reveals or worsens cracks in the brittle dashboard, complicating the repair.; 5.3L V8 Active Fuel Management oil consumption with lower-end and lifter wear that can require engine repairs.; Brittle dashboard cracks over the passenger airbag and along the top of the dash, a widespread age-related complaint. | Full report ↗ |
| 2006 | Caution | 6 | Instrument-cluster gauges and the shift (PRNDL) indicator fail intermittently from stepper-motor failure, leaving readings blank.; Service-brake complaints including premature wear and reduced braking performance. | Full report ↗ |
| 2024 | Caution | 5 | 6.2L L87 V8 connecting-rod and main-bearing failure causing sudden loss of power and engine failure, subject to a GM engine recall and inspection.; 10-speed automatic harsh or delayed shifting and shudder. | Full report ↗ |
| 2023 | Caution | 5 | 6.2L L87 V8 connecting-rod and main-bearing failure causing sudden loss of power and engine failure, subject to a GM engine recall and inspection.; 10-speed automatic harsh or delayed shifting and shudder. | Full report ↗ |
| 2021 | Caution | 5 | 6.2L L87 V8 connecting-rod and main-bearing failure causing sudden loss of power and engine failure, subject to a GM engine recall and inspection.; Fuel-system and engine faults causing stalling and loss of propulsion while driving, concentrated in the launch year.; 10-speed automatic harsh or delayed shifting and shudder. | Full report ↗ |
| 2017 | Caution | 5 | Brake-vacuum-pump failure causes a hard brake pedal and reduced braking assist (recall-related).; 5.3L V8 Active Fuel Management lifter failure and oil consumption.; Rear tail-light circuit boards crack and fail, causing tail and brake lights to go out intermittently. | Full report ↗ |
| 2016 | Caution | 5 | Brake-vacuum-pump failure causes a hard brake pedal and reduced braking assist (recall-related).; 5.3L V8 Active Fuel Management lifter failure and oil consumption.; Rear tail-light circuit boards crack and fail, causing tail and brake lights to go out intermittently. | Full report ↗ |
| 2011 | Caution | 5 | Takata passenger-airbag inflator recall (NHTSA 21V053000); removing the airbag often reveals or worsens cracks in the brittle dashboard, complicating the repair.; 5.3L V8 Active Fuel Management oil consumption with lower-end and lifter wear that can require engine repairs.; Brittle dashboard cracks over the passenger airbag and along the top of the dash, a widespread age-related complaint. | Full report ↗ |
| 2010 | Caution | 5 | Takata passenger-airbag inflator recall (NHTSA 21V053000); removing the airbag often reveals or worsens cracks in the brittle dashboard, complicating the repair.; 5.3L V8 Active Fuel Management oil consumption with lower-end and lifter wear that can require engine repairs.; Brittle dashboard cracks over the passenger airbag and along the top of the dash, a widespread age-related complaint. | Full report ↗ |
| 2009 | Caution | 5 | Takata passenger-airbag inflator recall (NHTSA 21V053000); removing the airbag often reveals or worsens cracks in the brittle dashboard, complicating the repair.; 5.3L V8 Active Fuel Management oil consumption with lower-end and lifter wear that can require engine repairs.; Brittle dashboard cracks over the passenger airbag and along the top of the dash, a widespread age-related complaint. | Full report ↗ |
| 2008 | Caution | 5 | Takata passenger-airbag inflator recall (NHTSA 21V053000); removing the airbag often reveals or worsens cracks in the brittle dashboard, complicating the repair.; 5.3L V8 Active Fuel Management oil consumption with lower-end and lifter wear that can require engine repairs.; Brittle dashboard cracks over the passenger airbag and along the top of the dash, a widespread age-related complaint. | Full report ↗ |
| 2005 | Caution | 5 | Instrument-cluster gauges and the shift (PRNDL) indicator fail intermittently from stepper-motor failure, leaving readings blank.; Service-brake complaints including premature wear and reduced braking performance. | Full report ↗ |
| 2015 | Avoid | 4 | Brake-vacuum-pump failure causes a hard brake pedal and reduced braking assist (recall-related).; 5.3L V8 Active Fuel Management lifter failure and oil consumption.; Rear tail-light circuit boards crack and fail, causing tail and brake lights to go out intermittently. | Full report ↗ |
| 2007 | Avoid | 4 | Takata passenger-airbag inflator recall (NHTSA 21V053000); removing the airbag often reveals or worsens cracks in the brittle dashboard, complicating the repair.; 5.3L V8 Active Fuel Management oil consumption with lower-end and lifter wear that can require engine repairs.; Brittle dashboard cracks over the passenger airbag and along the top of the dash, a widespread age-related complaint. | Full report ↗ |