Cadillac STS 2009 Alloy wheel fitment guide Choose appropriate trim of Cadillac STS 2009:

Cadillac STS wheels and tires specs icon

Heads up! Highlighted items are for OEM wheels, the rest are replacement options

Cadillac STS 2009 3.6i
Generation: GM Sigma ll [2008 .. 2012] [USDM]
Power: 302 hp | 225 kW | 306 PS
Engine:
Center Bore:
Wheel Fasteners: Lug nuts
Torque:
Thread Size:
Trim Production: [2008 .. 2012]
Tire 
Rim 
PCD 
Vehicle's recommended cold tire inflation pressure. It is measured in bars or PSI (pounds per square inch).
Recommended for winter 235/50R17 95V 2.1 30
235/50ZR17 95W |
255/45ZR17 95W
|
2.1 30
235/50ZR18 97W |
255/45ZR18 97W
|
2.1 30
245/40ZR19 97Y |
275/35ZR19 99Y
|
2.2 / 2.4 32 / 35
Cadillac STS 2009 4.4i STS-V
Generation: GM Sigma ll [2008 .. 2012] [USDM]
Power: 469 hp | 350 kW | 476 PS
Engine:
Center Bore:
Wheel Fasteners: Lug nuts
Torque:
Thread Size:
Trim Production: [2008 .. 2009]
Tire 
Rim 
PCD 
Vehicle's recommended cold tire inflation pressure. It is measured in bars or PSI (pounds per square inch).
255/45R18 97V 2.1 30
255/45ZR18 97Y |
275/40ZR19 100Y
|
2.1 / 2.3 30 / 33
255/40ZR19 95Y |
275/40ZR19 100Y
|
2.2 / 2.4 32 / 35
255/40ZR19 95Y |
285/35ZR20 97Y
|
2.2 / 2.4 32 / 35

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