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Can you tell me the tire size and recommended pressure, along with the wheel size, for the 2018 GMC Sierra 1500?
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The tire sizes vary for different versions of the 2018 GMC Sierra 1500. For instance, the sizes are 275/55R20 and 285/45R22 for certain models with Performance Brake. The recommended tire pressure is 32 psi for the front and 32 to 35 psi for the rear for the 275/55R20 tires, and 35 psi for both front and rear for other tire sizes. The wheel sizes range from 17 to 20 inches in diameter and 8 to 9 inches in width. The truck has a wheel bolt pattern of 6x139.7mm and a thread size of M14 X1.5. The center bore is 78.1 mm, using lug nuts for fastening the wheels with a torque of 190 Nm.
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The recommended tire pressure for the 2018 GMC Sierra 1500 is 35 pounds per square inch (psi), with tire size P255/70R17 and wheel size of 17 inches. The specific wheel size may differ depending on the model. The base model of the 2018 GMC Sierra 1500 comes equipped with standard 17-inch silver aluminum wheels.
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