| 2020 | Recommended | 7 | The 8-speed (and 10-speed on some trims) automatic can shudder, hesitate and shift harshly, with slipping or failure reported on higher-mileage trucks. | Full report ↗ |
| 2024 | Caution | 6 | The 6.2L L87 V8 (top trims) can suffer connecting-rod and crankshaft-bearing failure leading to sudden loss of power or total engine failure; covered by GM recall 25V274.; 10-speed automatic can shudder and shift harshly, with some loss-of-propulsion complaints.; First-year redesign electrical and infotainment glitches reported, and a 2021 fuel-pump control-module recall could cause engine stalling while driving. | Full report ↗ |
| 2022 | Caution | 6 | The 6.2L L87 V8 (top trims) can suffer connecting-rod and crankshaft-bearing failure leading to sudden loss of power or total engine failure; covered by GM recall 25V274.; 10-speed automatic can shudder and shift harshly, with some loss-of-propulsion complaints.; First-year redesign electrical and infotainment glitches reported, and a 2021 fuel-pump control-module recall could cause engine stalling while driving. | Full report ↗ |
| 2019 | Caution | 6 | The 8-speed (and 10-speed on some trims) automatic can shudder, hesitate and shift harshly, with slipping or failure reported on higher-mileage trucks. | Full report ↗ |
| 2018 | Caution | 6 | The 8-speed (and 10-speed on some trims) automatic can shudder, hesitate and shift harshly, with slipping or failure reported on higher-mileage trucks. | Full report ↗ |
| 2017 | Caution | 6 | Vacuum pump that assists the brakes can lose performance, causing a hard brake pedal and longer stopping distances; addressed by recall on affected trucks.; Electric power steering can intermittently lose assist, and some trucks suffer a sudden electrical shutdown (Service StabiliTrak) while driving; an EPS recall applies to early build.; Automatic climate-control faults reported on early cars. | Full report ↗ |
| 2014 | Caution | 6 | Gen-IV 5.3L V8 with Active Fuel Management can consume excessive oil from worn piston rings, often starting around 50,000-80,000 miles and risking engine damage if unchecked.; 6L80 six-speed automatic can develop torque-converter shudder and harsh shifting, with repairs reported between 60,000-100,000 miles.; Dashboard can crack across the top, a widely reported cosmetic and safety concern on these full-size GM SUVs. | Full report ↗ |
| 2013 | Caution | 6 | Gen-IV 5.3L V8 with Active Fuel Management can consume excessive oil from worn piston rings, often starting around 50,000-80,000 miles and risking engine damage if unchecked.; 6L80 six-speed automatic can develop torque-converter shudder and harsh shifting, with repairs reported between 60,000-100,000 miles.; Dashboard can crack across the top, a widely reported cosmetic and safety concern on these full-size GM SUVs. | Full report ↗ |
| 2012 | Caution | 6 | Gen-IV 5.3L V8 with Active Fuel Management can consume excessive oil from worn piston rings, often starting around 50,000-80,000 miles and risking engine damage if unchecked.; 6L80 six-speed automatic can develop torque-converter shudder and harsh shifting, with repairs reported between 60,000-100,000 miles.; Dashboard can crack across the top, a widely reported cosmetic and safety concern on these full-size GM SUVs. | Full report ↗ |
| 2009 | Caution | 6 | Takata passenger-side frontal airbag inflator may rupture and is under recall; complaints also note dash cracking that can complicate the repair.; 6L80 six-speed automatic can develop torque-converter shudder and harsh shifting, with repairs reported between 60,000-100,000 miles.; Dashboard can crack across the top, a widely reported cosmetic and safety concern on these full-size GM SUVs. | Full report ↗ |
| 2006 | Caution | 6 | Instrument-cluster gauge failure, speedometer, fuel/temperature gauges and the shift (PRNDL) indicator read erratically, stick, or go dim, a common GMT800-era defect.; 4L60E/4L65E automatic transmission can develop slippage and require a rebuild at higher mileage.; Assorted electrical faults including heated-seat modules cycling on their own and burnt body/ground wiring. | Full report ↗ |
| 2023 | Caution | 5 | The 6.2L L87 V8 (top trims) can suffer connecting-rod and crankshaft-bearing failure leading to sudden loss of power or total engine failure; covered by GM recall 25V274.; 10-speed automatic can shudder and shift harshly, with some loss-of-propulsion complaints.; First-year redesign electrical and infotainment glitches reported, and a 2021 fuel-pump control-module recall could cause engine stalling while driving. | Full report ↗ |
| 2021 | Caution | 5 | The 6.2L L87 V8 (top trims) can suffer connecting-rod and crankshaft-bearing failure leading to sudden loss of power or total engine failure; covered by GM recall 25V274.; 10-speed automatic can shudder and shift harshly, with some loss-of-propulsion complaints.; First-year redesign electrical and infotainment glitches reported, and a 2021 fuel-pump control-module recall could cause engine stalling while driving. | Full report ↗ |
| 2016 | Caution | 5 | Vacuum pump that assists the brakes can lose performance, causing a hard brake pedal and longer stopping distances; addressed by recall on affected trucks.; Electric power steering can intermittently lose assist, and some trucks suffer a sudden electrical shutdown (Service StabiliTrak) while driving; an EPS recall applies to early build.; Automatic climate-control faults reported on early cars. | Full report ↗ |
| 2015 | Caution | 5 | Vacuum pump that assists the brakes can lose performance, causing a hard brake pedal and longer stopping distances; addressed by recall on affected trucks.; Electric power steering can intermittently lose assist, and some trucks suffer a sudden electrical shutdown (Service StabiliTrak) while driving; an EPS recall applies to early build.; Automatic climate-control faults reported on early cars. | Full report ↗ |
| 2011 | Caution | 5 | Takata passenger-side frontal airbag inflator may rupture and is under recall; complaints also note dash cracking that can complicate the repair.; Gen-IV 5.3L V8 with Active Fuel Management can consume excessive oil from worn piston rings, often starting around 50,000-80,000 miles and risking engine damage if unchecked.; 6L80 six-speed automatic can develop torque-converter shudder and harsh shifting, with repairs reported between 60,000-100,000 miles. | Full report ↗ |
| 2010 | Caution | 5 | Takata passenger-side frontal airbag inflator may rupture and is under recall; complaints also note dash cracking that can complicate the repair.; Gen-IV 5.3L V8 with Active Fuel Management can consume excessive oil from worn piston rings, often starting around 50,000-80,000 miles and risking engine damage if unchecked.; 6L80 six-speed automatic can develop torque-converter shudder and harsh shifting, with repairs reported between 60,000-100,000 miles. | Full report ↗ |
| 2008 | Caution | 5 | Takata passenger-side frontal airbag inflator may rupture and is under recall; complaints also note dash cracking that can complicate the repair.; 6L80 six-speed automatic can develop torque-converter shudder and harsh shifting, with repairs reported between 60,000-100,000 miles.; Dashboard can crack across the top, a widely reported cosmetic and safety concern on these full-size GM SUVs. | Full report ↗ |
| 2007 | Caution | 5 | Takata passenger-side frontal airbag inflator may rupture and is under recall; complaints also note dash cracking that can complicate the repair.; 6L80 six-speed automatic can develop torque-converter shudder and harsh shifting, with repairs reported between 60,000-100,000 miles.; Dashboard can crack across the top, a widely reported cosmetic and safety concern on these full-size GM SUVs. | Full report ↗ |
| 2005 | Caution | 5 | Instrument-cluster gauge failure, speedometer, fuel/temperature gauges and the shift (PRNDL) indicator read erratically, stick, or go dim, a common GMT800-era defect.; 4L60E/4L65E automatic transmission can develop slippage and require a rebuild at higher mileage.; Assorted electrical faults including heated-seat modules cycling on their own and burnt body/ground wiring. | Full report ↗ |