Porsche Cayman Owner's Manual page 299

Tires, Rims, Tracks
Cayman
Summer tires front
rear
or
front
rear
or
front
rear
Snow tires front
rear
or
front
rear
Tire Rim
205/55 ZR 17 (91Y) 6.5 J x 17 H2
235/50 ZR 17 (96Y) 8 J x 17 H2
235/40 ZR 18 (91Y) 8 J x 18 H2
265/40 ZR 18 (101Y) XL 9 J x 18 H2
235/35 ZR 19 (87Y) 8 J x 19 H2
265/35 ZR 19 (94Y) 9.5 J x 19 H2
205/55 R 17 91V M+S 6.5 J x 17 H2
235/50 R 17 96V M+S * 8 J x 17 H2
235/40 R 18 91V M+S 8 J x 18 H2
255/40 R 18 95V M+S * 9 J x 18 H2
Rim offset Track
55 mm 58.7 in./1490 mm
40 mm 60.4 in./1534 mm
57 mm 58.5 in./1486 mm
43 mm 60.2 in./1528 mm
57 mm 58.5 in./1486 mm
46 mm 60.0 in./1522 mm
55 mm 58.7 in./1490 mm
40 mm 60.4 in./1534 mm
57 mm 58.5 in./1486 mm
43 mm 60.2 in./1528 mm
Vehicle Identification, Technical Data
297