There are 38 choices

• SILVERADO 1500 PICKUP
  • 8.6" ring gear (10 bolt)
    • hybrid option (opt HP2)
    • Without hybrid option
      • brake opt JF3
        • active brake control (opt JL4)
          • 3.08 ratio (opt GU4)
          • 3.23 ratio (opt GU5)
          • 3.42 ratio (opt GU6)
          • 3.73 ratio (opt GT4)
        • Without active brake control
      • brake opt JF7
        • active brake control (opt JL4)
          • 3.08 ratio (opt GU4)
          • 3.23 ratio (opt GU5)
          • 3.42 ratio (opt GU6)
          • 3.73 ratio (opt GT4)
        • Without active brake control
      • brake opt JG4
  • 9.5" ring gear (14 bolt)
    • 3.42 ratio (opt GU6)
    • 3.73 ratio (opt GT4)
• SILVERADO 2500 PICKUP
  • 10.50" ring gear
    • active brake control (opt JL4)
      • 3.73 ratio (opt GT4)
      • 4.10 ratio (opt GT5)
    • Without active brake control
      • 3.73 ratio (opt GT4)
      • 4.10 ratio (opt GT5)
  • 11.50" ring gear
    • (3.73 ratio, opt GT4)
      • active brake control (opt JL4)
      • Without active brake control
• SILVERADO 3500 PICKUP
  • Without wide track
    • brake opt JH6
      • 3.73 ratio (opt GT4)
      • 4.10 ratio (opt GT5)
    • brake opt JH7
      • 133" wheelbase
        • 3.73 ratio (opt GT4)
        • 4.10 ratio (opt GT5)
      • 137" wheelbase
        • 3.73 ratio (opt GT4)
        • 4.10 ratio (opt GT5)
      • 157.5" wheelbase
        • 3.73 ratio (opt GT4)
        • 4.10 ratio (opt GT5)
      • 161.5" wheelbase
        • 3.73 ratio (opt GT4)
        • 4.10 ratio (opt GT5)
      • 167" wheelbase
        • 3.73 ratio (opt GT4)
        • 4.10 ratio (opt GT5)
    • brake opt JK3
      • 3.73 ratio (opt GT4)
      • 4.10 ratio (opt GT5)
    • brake opt JK4
      • 3.73 ratio (opt GT4)
      • 4.10 ratio (opt GT5)
  • wide track (opt GTY)
    • 3.73 ratio (opt GT4)
    • 4.10 ratio (opt GT5)