GM Service Manual Online
For 1990-2009 cars only

Rim Type

Steel

Styled Steel

Aluminum

Spare

15 Series

Bolt Circle Diameter (in)

5.50

5.50

5.50

5.50

Bolt Holes

6

6

6

6

Wheel Nuts

M14 x 1.5

M14 x 1.5

M14 x 1.5

M14 x 1.5

Offset (mm)

31

31

31

31

Rim Width (in)

6.5

6.5

6.5

6.5

Wheel Rating (kg/lbs)

905/2000

905/2000

905/2000

905/2000

Wheel Rating (kPa/psi)

379/55

379/55

379/55

379/55

Wheel Size

16 x 6.5

16 x 6.5

16 x 6.5

16 x 6.5

25 Series

Bolt Circle Diameter (in)

6.50

6.50

6.50

6.50

Bolt Holes

8

8

8

8

Wheel Nuts

M14 x 1.5

M14 x 1.5

M14 x 1.5

M14 x 1.5

Offset (mm)

28

28

28

28

Rim Width (in)

6.5

6.5

6.5

6.5

Wheel Rating (kPa/psi)

551/80

551/80

551/80

551/80

Wheel Rating (kg/lbs)

1367/3042

1367/3042

1367/3042

1367/3042

Wheel Size

16 x  6.5

16 x  6.5

16 x  6.5

16 x  6.5