2008 GMC Envoy and Envoy Denali Tire Pressure
2008 GMC Envoy and Envoy Denali tire pressure: 38 psi rear (P255/50R20 104V rear tires, high-speed driving above 99 mph only (or tire sidewall max, whichever…
38psi
Rear · P255/50R20 104V rear tires, high-speed driving above 99 mph only (or tire sidewall max, whichever is lower)
2008 GMC Envoy and Envoy Denali Owner's Manual, PDF page 361
or 38 psi (262 kPa), whicheverOpen the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Tire pressure (rear) · P255/50R20 104V rear tires, high-speed driving above 99 mph only (or tire sidewall max, whichever is lower) · PDF page 361
or 38 psi (262 kPa), whichever
See every quote (1 value)
As printed in the manual
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| P255/50R20 104V rear tires, high-speed driving above 99 mph only (or tire sidewall max, whichever is lower) | 38 psirear | “or 38 psi (262 kPa), whichever” | PDF page 361 ↗ |
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Checking your tire pressure
- Check when the tires are cold. Before driving, or after the car has sat for a few hours.
- Use a tire gauge on each valve stem. Include the spare if your vehicle has one.
- Add or release air to match the spec. The tire and loading label on the driver's door jamb lists the pressure for your exact tire size.
Never inflate to the maximum pressure printed on the tire sidewall; that is a limit, not a target.
Confirm with your own manual, dipstick or door-jamb label.
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