There are 44 choices

• SIERRA 1500 PICKUP
  • 4x2
    • 119" wheelbase (Regular Cab, 6' 6" box)
      • (Automatic Transmission)
        • 4 speed (opt M30)
        • 6 speed (opt MYC)
          • ID AABM
          • ID AACW
          • ID AACZ
          • ID SJ4
          • ID SU9
          • ID SX3
    • 133" wheelbase (Regular Cab, 8' box)
      • (Automatic Transmission)
        • 4 speed (opt M30)
          • 3.23 ratio (opt GU5)
            • speedometer calibration (opt VZ2)
            • Without speedometer calibration
          • 3.42 axle ratio (opt GU6)
            • speedometer calibration (opt VZ2)
            • Without speedometer calibration
          • 3.73 ratio (opt GT4)
        • 6 speed (opt MYC)
    • 143.5" wheelbase
      • Crew Cab
        • hybrid option (opt HP2)
        • Without hybrid option
          • (Automatic Transmission)
            • 4 speed (opt M30)
            • 6 speed (opt MYC)
              • 5.3L
              • 6.2L
      • Extended Cab
        • (Automatic Transmission)
          • 4 speed (opt M30)
          • 6 speed (opt MYC)
            • 5.3L
            • 6.2L
            • Without 6.2L
    • 157.5" wheelbase (Extended Cab, 8' box)
      • (Automatic Transmission, 6 speed, opt MYC)
        • ID AADA
        • ID AAJ5
        • ID AALA
        • ID SJ7
  • 4x4
    • 119" wheelbase (Regular Cab, 6' 6" box)
    • 133" wheelbase (Regular Cab, 8' box)
    • 143.5" wheelbase
      • Crew Cab
        • hybrid option (opt HP2)
        • Without hybrid option
          • (Automatic Transmission)
            • 4 speed (opt M30)
              • transfer case opt NQG
              • transfer case opt NQH
                • speedometer calibration opt VVJ
                • Without speedometer calibration opt VVJ
            • 6 speed (opt MYC)
              • speedometer calibration opt VVJ
              • Without speedometer calibration opt VVJ
                • 5.3L
                • 6.2L
      • Extended Cab
        • hybrid option (opt HP2)
        • Without hybrid option
          • (Automatic Transmission)
            • 4 speed (opt M30)
              • transfer case opt NQG
              • transfer case opt NQH
                • speedometer calibration opt VVJ
                • Without speedometer calibration opt VVJ
            • 6 speed (opt MYC)
              • speedometer calibration opt VVJ
              • Without speedometer calibration opt VVJ
                • 5.3L
                • 6.2L
    • 157.5" wheelbase (Extended Cab, 8' box)
• SIERRA DENALI 1500
  • 4x2
  • AWD