There are 18 choices

• SIERRA 1500 PICKUP
  • classic style (mirrors mount inner window corner)
    • from 02/27/19
    • thru 02/26/19
  • new style (mirrors mount on door skin)
    • conventional ignition
      • manual tilt and telescopic (opt N37)
      • tilt (opt N33)
        • 10 speed (opt MQB)
        • 6 speed (opt MYC)
        • 8 speed (opt MQE)
    • keyless ignition (opt BTM)
      • manual tilt and telescopic (opt N37)
        • 10 speed (opt MQB)
        • 6 speed (opt MYC)
        • 8 speed (opt MQE)
      • tilt (opt N33)
• SIERRA DENALI 1500
  • conventional ignition
    • manual tilt and telescopic (opt N37)
    • tilt (opt N33)
      • 10 speed (opt MQB)
      • 6 speed (opt MYC)
      • 8 speed (opt MQE)
  • keyless ignition (opt BTV)
    • manual tilt and telescopic (opt N37)
      • 10 speed (opt MQB)
      • 6 speed (opt MYC)
      • 8 speed (opt MQE)
    • tilt (opt N33)