There are 43 choices

• 4x2
  • 119" wheelbase (Regular Cab, 6' 6" box)
    • (Automatic Transmission)
      • 4 speed (opt M30)
      • 6 speed (opt MYC)
  • 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)
          • 6.2L
          • Without 6.2L
  • 157.5" wheelbase (Extended Cab, 8' box)
    • (Automatic Transmission, 6 speed, opt MYC)
      • ID 7379
      • ID AAJ5
      • ID AALA
      • ID AALS
      • ID AATR
• 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
        • ID AACJ
        • ID AACL
        • ID AACM
        • ID AAJG
        • ID AALW
        • ID AALX
        • ID AAMF
        • ID RH7
        • ID SK1
    • Extended Cab
      • hybrid option (opt HP2)
      • Without hybrid option
        • ID AACJ
        • ID AACL
        • ID AACM
        • ID AAJG
        • ID AALW
        • ID AALX
        • ID AAMF
        • ID RH7
        • ID SK1
  • 157.5" wheelbase (Extended Cab, 8' box)