1980 GMC Suburban Tire Size & Pressure
The 1980 GMC Suburban tire size depends on trim: the C1500, Automatic Trans takes P235/75R15; the C1500, Standard Trans takes P235/75R15; the K1500 takes P215/75R15 XL, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
- C1500, Automatic Trans: P235/75R15
- C1500, Standard Trans: P235/75R15
- K1500: P215/75R15 XL
C1500, Automatic Trans
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P235/75R15 | Door Placard | — | — |
| All | P235/75R15 XL | Door Placard | — | — |
| All | P235/75R15 | Door Placard | — | — |
| All | P235/75R15 XL | Door Placard | — | — |
| All | P235/75R15 | Door Placard | — | — |
| All | P235/75R15 XL | Door Placard | — | — |
| All | P235/75R15 | Door Placard | — | — |
| All | P235/75R15 XL | Door Placard | — | — |
C1500, Standard Trans
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P235/75R15 | Door Placard | — | — |
| All | P235/75R15 XL | Door Placard | — | — |
| All | P235/75R15 | Door Placard | — | — |
| All | P235/75R15 XL | Door Placard | — | — |
| All | P235/75R15 | Door Placard | — | — |
| All | P235/75R15 XL | Door Placard | — | — |
| All | P235/75R15 | Door Placard | — | — |
| All | P235/75R15 XL | Door Placard | — | — |
K1500
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P215/75R15 XL | Door Placard | — | — |
| All | P235/75R15 | Door Placard | — | — |
| All | P235/75R15 XL | Door Placard | — | — |
| All | P215/75R15 XL | Door Placard | — | — |
| All | P235/75R15 | Door Placard | — | — |
| All | P235/75R15 XL | Door Placard | — | — |
| All | P215/75R15 XL | Door Placard | — | — |
| All | P235/75R15 | Door Placard | — | — |
| All | P235/75R15 XL | Door Placard | — | — |
| All | P215/75R15 XL | Door Placard | — | — |
| All | P235/75R15 | Door Placard | — | — |
| All | P235/75R15 XL | Door Placard | — | — |
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Frequently Asked Questions
What size tires does a 1980 GMC Suburban take?
It depends on the trim: C1500, Automatic Trans uses P235/75R15; C1500, Standard Trans uses P235/75R15; K1500 uses P215/75R15 XL.
What is the tire pressure for a 1980 GMC Suburban?
Refer to the tire pressure placard on your vehicle's driver side door jamb for exact cold inflation pressures.
What is the bolt pattern on a 1980 GMC Suburban?
Bolt pattern data is available in the factory service manual.