Tire Size
Equivalent
Diameter
More Wheel Sizes
14"
15"
16"
17"
18"
19"
20"
21"
22"
23"
24"
26"
Select a Size to Compare Prices on Available Tires
Porsche equips the 2008 Cayman S with more than one stock tire size. Select each size option to see available tires.
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Potenza RE980AS PlusAll Season | Ultra High Performance
235/40R18 Avg. $161.00
265/40R18 Avg. $187.50
ADVAN Sport A/S PlusAll Season | Ultra High Performance
235/40R18 Avg. $188.50
265/40R18 Avg. $219.00
ExtremeContact DWS 06 PlusAll Season | Ultra High Performance
235/40R18 Avg. $193.00
265/40R18 Avg. $251.00
$80 REBATE
g-Force Phenom T/ASummer | Ultra High Performance
235/40R18 Avg. $199.00
265/40R18 Avg. $269.00
Azenis FK460 A/SAll Season | Ultra High Performance
235/40R18 Avg. $201.00
265/40R18 Avg. $253.00
ExtremeContact Sport 02Summer | Supreme Performance
235/40R18 Avg. $224.00
265/40R18 Avg. $286.00
$80 REBATE
Pilot Sport All Season 4All Season | Ultra High Performance
235/40R18 Avg. $225.00
265/40R18 Avg. $296.50
$80 REBATE
Pilot Sport PS2Summer | Supreme Performance
235/40R18 Avg. $301.00
265/40R18 Avg. $446.00
$80 REBATE
Pilot Sport 4SSummer | Supreme Performance
235/40R18 Avg. $327.00
265/40R18 Avg. $324.50