Mostly Unchanged
- 2006 GMC Canyon Crew Cab
- 2006 GMC Canyon Extended Cab
- 2006 GMC Canyon Regular Cab
- 2006 GMC Envoy
- 2006 GMC Envoy XL
- Stabilitrak becomes standard
- 2006 GMC Savana
- 2006 GMC Sierra 1500 Crew Cab
- 2006 GMC Sierra 1500 Extended Cab
- 2006 GMC Sierra 1500 Regular Cab
- 2006 GMC Sierra 2500/3500
- 2006 GMC Yukon
- 2006 GMC Yukon XL