2008 Porsche Cayman Tire Size & Pressure

The 2008 Porsche Cayman tire size depends on trim: the Base, Automatic takes 205/55R17 91Y; the Base, Standard takes 205/55R17 91Y; the S, Standard takes 235/40ZR18 (91Y); the S, Automatic takes 235/40ZR18 (91Y), per the factory service manual.

Factory-Spec Tire Size
Varies by trim
  • Base, Automatic: 205/55R17 91Y
  • Base, Standard: 205/55R17 91Y
  • S, Standard: 235/40ZR18 (91Y)
  • S, Automatic: 235/40ZR18 (91Y)
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Base, Automatic

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All205/55R17 91YDoor Placard
All235/50R17 96YDoor Placard

Base, Standard

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All205/55R17 91YDoor Placard
All235/50R17 96YDoor Placard

S, Standard

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All235/40ZR18 (91Y)Door Placard
All265/40ZR18 (101Y) RFDoor Placard

S, Automatic

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All235/40ZR18 (91Y)Door Placard
All265/40ZR18 (101Y) RFDoor Placard

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Frequently Asked Questions

What size tires does a 2008 Porsche Cayman take?

It depends on the trim: Base, Automatic uses 205/55R17 91Y; Base, Standard uses 205/55R17 91Y; S, Standard uses 235/40ZR18 (91Y); S, Automatic uses 235/40ZR18 (91Y).

What is the tire pressure for a 2008 Porsche Cayman?

Refer to the tire pressure placard on your vehicle's driver side door jamb for exact cold inflation pressures.

What is the bolt pattern on a 2008 Porsche Cayman?

Bolt pattern data is available in the factory service manual.

Other Porsche Cayman Years

Other Porsche Models