GM Service Manual Online
For 1990-2009 cars only

Inflation Pressure at Full Load

Tire

Wheel

Front kPa

Front psi

Rear kPa

Rear psi

P155/80R13

13 X 5.0J

207

30

207

30

P185/60R14

14 X 5.5J

207

30

207

30

P185/55R15

15 X 6.0J

214

31

214

31