GMC Sierra 1500 / 2500 / 3500 Wheels Tuning

1. Official Factory Wheel Specs

GMC Sierra 1500 (Half-Ton)

• Bolt Pattern: 6×139.7mm (6×5.5")

• Center Bore: 78.1mm

• Lug Stud: M14×1.5

• Factory Offset: ET24 ~ ET31

GMC Sierra 2500 / 3500 HD (Heavy Duty)

• Bolt Pattern: 8×180mm

• Center Bore: 124.1mm

• Lug Stud: M14×1.5

• Factory Offset: ET35 ~ ET45

Important: 1500 (6-lug) and 2500/3500 (8-lug) cannot swap wheels.

2. GMC Sierra 1500 Wheel Fitment Guide

18×9

20×9 / 20×10

22×10

24×12

3. GMC Sierra 2500 / 3500 HD Wheel Fitment Guide

20×10

22×12

24×14

26×14 / 26×16

4. General Wheels Tuning Rules

1. Always use hub-centric rings to eliminate vibration

• Sierra 1500: 78.1mm

• Sierra 2500/3500: 124.1mm

2. Lug nut spec: M14×1.5 extended conical seat

3. Wheel Torque:

• 1500: 140–150 N·m

• 2500/3500: 170–180 N·m

4. Big negative offset must match lift height to avoid fender rubbing

5. All HD trucks with 24×14 / 26×14 / 26×16 require forged rims

6. Lifted setups need professional 4-wheel alignment after installation

5. Most Popular Complete Builds

• Sierra 1500 Daily：2″ Level + 20×10 + 33″ AT tires

• Sierra 1500 Show：6″ Lift + 24×12 ET-44 + 35″ MT tires

• Sierra 2500 Off-Road：6″ Lift + 22×12 ET-51 + 37″ MT tires

• Sierra 3500 Show Truck：10″ Lift + 26×16 Forged + 40″ tires + Widebody

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