2011 Porsche Boxster Tire Sizes

Factory original equipment (OE) tire specifications.

(Winter Tires)

Front

Tire Size

205/55R17

Load Index

91

Speed Rating

V

(Winter Tires)

Rear

Tire Size

235/50R17

Load Index

96

Speed Rating

V

Base

Front

Tire Size

205/55R17

Load Index

91

Speed Rating

Y

Base

Rear

Tire Size

235/50R17

Load Index

96

Speed Rating

Y

Base

Front

Tire Size

235/40ZR18

Load Index

91

Speed Rating

(Y)

Base

Rear

Tire Size

265/40ZR18

Load Index

101

Speed Rating

(Y)

Base

Front

Tire Size

235/35ZR19

Load Index

87

Speed Rating

(Y)

Base

Rear

Tire Size

265/35ZR19

Load Index

94

Speed Rating

(Y)

Base

Front

Tire Size

235/35ZR19

Load Index

87

Speed Rating

(Y)

Base

Rear

Tire Size

265/35ZR19

Load Index

94

Speed Rating

(Y)

S

Front

Tire Size

235/40ZR18

Load Index

91

Speed Rating

(Y)

S

Rear

Tire Size

265/40ZR18

Load Index

101

Speed Rating

(Y)

S

Front

Tire Size

235/35ZR19

Load Index

87

Speed Rating

(Y)

S

Rear

Tire Size

265/35ZR19

Load Index

94

Speed Rating

(Y)

S

Front

Tire Size

235/35ZR19

Load Index

87

Speed Rating

(Y)

S

Rear

Tire Size

265/35ZR19

Load Index

94

Speed Rating

(Y)

S (Winter Tires)

Front

Tire Size

235/40R18

Load Index

91

Speed Rating

V

S (Winter Tires)

Rear

Tire Size

255/40R18

Load Index

95

Speed Rating

V

Spyder

Front

Tire Size

235/35ZR19

Load Index

87

Speed Rating

(Y)

Spyder

Rear

Tire Size

265/35ZR19

Load Index

94

Speed Rating

(Y)