Acadia 1 C4500 Topkick 1 C5500 Topkick 1 C6500 Topkick 1 C7500 Topkick 1 C8500 Topkick 1 Canyon 1 Envoy 2 Savana 1500 2 Savana 2500 2 Savana 3500 3 Sierra 1500 6 Sierra 2500 HD 4 Sierra 3500 HD 4 Sierra Denali 9 Yukon 8 Yukon XL 1500 7 Yukon XL 2500 6