GM Service Manual Online
For 1990-2009 cars only

Tire and Wheel Specifications LWB SWB

Description

Specifications

Steel Wheels

Rim Width Code

7J

Diameter Code

16

Maximum Permissible Radial runout All Steel Wheels

0.7 mm

Offset

43 mm (positive)

Alloy Wheel Specifications

Description

Specifications

Alloy Wheels

Rim Width Code

7J

8J

Diameter Code

16, 17

18, 19

Maximum Permissible Radial runout All Models

0.4 mm

Offset

16" x 7", 17" x 7"

43 mm (positive)

18" x 8", 19" x 8"

48 mm (positive)

Inflation Pressure Specifications

Model

Engine

Wheel

Tire Designation

Recommended Cold Inflation kPa

Up to 3 Passengers

Up to Max. Load

Front

Rear

Front

Rear

Sedan

V6

7J x 16 steel

225/60 R16 98V

250

250

250

270

Sedan

V6

7J x 16 alloy

225/60 R16 98V

250

250

250

270

Sedan

V6

7J x 17 alloy

225/55 R17 97V

250

250

250

270

SV6 Sedan

V6

8J x 18 alloy

245/45 R18 96V

250

250

250

270

Temporary use spare

17 x 4

T155/80 R17 111M

420

SS-V

--

8J x 19 alloy

245/40 R19 94W

250

250

250

270

SS

V8

8J x 18 alloy

245/45 R18 96V

250

250

250

270

Sedan

V6/V8

7J x 17 alloy

225/55 R17 97V

250

250

250

270

Sedan

V6 / V8

8J x 18 alloy

245/45 R18 96V

250

250

250

270

For speeds above 160 km/h

250

250

270

300