GMC Sierra 1500 Classic tire pressures recommendations and sizes
| Tire Size | Position | Pressure (Psi) |
|---|---|---|
| P245/70R17 108S | Front | 35 |
| P245/70R17 108S | Rear | 35 |
| P265/70R17 113S | Front | 30 |
| P265/70R17 113S | Rear | 30 |
| P275/55R20 111S | Front | 30 |
| P275/55R20 111S | Rear | 30 |
LEGAL MENTIONS
The load and/or speed ratings displayed may differ slightly from the original size specified on the vehicle label. As a qualified professional, your tire dealer will be able to advise you in :
1. Informing you if the load and/or speed rating of the replacement tires is different from the original tires.
2. Determining whether the tire pressure should be adjusted for the proposed alternative size
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