2015 GMC Sierra 1500
SLE
All Engines
4WD, 3.08 Ratio(Gu4), 2-Speed Manual Shift Aluminum Transfer Case(Nqg), 3.08 Ratio(Gu4), Single Speed Active Transfer Case(Np0), 3.08 Ratio(Gu4), Switch Activated 2-Speed Transfer Case(Nqh), 3.23 Ratio(Gu5), 2-Speed Manual Shift Aluminum Transfer Case(Nqg), 3.23 Ratio(Gu5), Single Speed Active Transfer Case(Np0), 3.23 Ratio(Gu5), Switch Activated 2-Speed Transfer Case(Nqh), 3.42 Ratio(Gu6), 2-Speed Manual Shift Aluminum Transfer Case(Nqg), 3.42 Ratio(Gu6), Single Speed Active Transfer Case(Np0), 3.42 Ratio(Gu6), Switch Activated 2-Speed Transfer Case(Nqh), 3.73R(Gt4), 2-Speed Manual Shift Aluminum Transfer Case(Nqg), 3.73R(Gt4), Switch Activated 2-Speed Transfer Case(Nqh)
2015 GMC Sierra 1500
Denali
All Engines
4WD, 3.08 Ratio(Gu4), 2-Speed Manual Shift Aluminum Transfer Case(Nqg), 3.08 Ratio(Gu4), Single Speed Active Transfer Case(Np0), 3.08 Ratio(Gu4), Switch Activated 2-Speed Transfer Case(Nqh), 3.23 Ratio(Gu5), 2-Speed Manual Shift Aluminum Transfer Case(Nqg), 3.23 Ratio(Gu5), Single Speed Active Transfer Case(Np0), 3.23 Ratio(Gu5), Switch Activated 2-Speed Transfer Case(Nqh), 3.42 Ratio(Gu6), 2-Speed Manual Shift Aluminum Transfer Case(Nqg), 3.42 Ratio(Gu6), Single Speed Active Transfer Case(Np0), 3.42 Ratio(Gu6), Switch Activated 2-Speed Transfer Case(Nqh), 3.73R(Gt4), 2-Speed Manual Shift Aluminum Transfer Case(Nqg), 3.73R(Gt4), Switch Activated 2-Speed Transfer Case(Nqh)
2015 GMC Sierra 1500
SLT
All Engines
4WD, 3.08 Ratio(Gu4), 2-Speed Manual Shift Aluminum Transfer Case(Nqg), 3.08 Ratio(Gu4), Single Speed Active Transfer Case(Np0), 3.08 Ratio(Gu4), Switch Activated 2-Speed Transfer Case(Nqh), 3.23 Ratio(Gu5), 2-Speed Manual Shift Aluminum Transfer Case(Nqg), 3.23 Ratio(Gu5), Single Speed Active Transfer Case(Np0), 3.23 Ratio(Gu5), Switch Activated 2-Speed Transfer Case(Nqh), 3.42 Ratio(Gu6), 2-Speed Manual Shift Aluminum Transfer Case(Nqg), 3.42 Ratio(Gu6), Single Speed Active Transfer Case(Np0), 3.42 Ratio(Gu6), Switch Activated 2-Speed Transfer Case(Nqh), 3.73R(Gt4), 2-Speed Manual Shift Aluminum Transfer Case(Nqg), 3.73R(Gt4), Switch Activated 2-Speed Transfer Case(Nqh)
2015 GMC Sierra 1500
Base
All Engines
4WD, 3.08 Ratio(Gu4), 2-Speed Manual Shift Aluminum Transfer Case(Nqg), 3.08 Ratio(Gu4), Single Speed Active Transfer Case(Np0), 3.08 Ratio(Gu4), Switch Activated 2-Speed Transfer Case(Nqh), 3.23 Ratio(Gu5), 2-Speed Manual Shift Aluminum Transfer Case(Nqg), 3.23 Ratio(Gu5), Single Speed Active Transfer Case(Np0), 3.23 Ratio(Gu5), Switch Activated 2-Speed Transfer Case(Nqh), 3.42 Ratio(Gu6), 2-Speed Manual Shift Aluminum Transfer Case(Nqg), 3.42 Ratio(Gu6), Single Speed Active Transfer Case(Np0), 3.42 Ratio(Gu6), Switch Activated 2-Speed Transfer Case(Nqh), 3.73R(Gt4), 2-Speed Manual Shift Aluminum Transfer Case(Nqg), 3.73R(Gt4), Switch Activated 2-Speed Transfer Case(Nqh)