GM Service Manual Online
For 1990-2009 cars only

Tire Inflation Pressure Specifications Tire Inflation Specifications

Application

Specification

Metric

English

Compact spare tire

420 kPa

60 psi

Tires under normal driving conditions

210 kPa

30 psi

Tires under sustained high speed driving of 160 km/h (100 mph) or higher

265 kPa

38 psi