2021 Porsche 718 Boxster Tire Sizes

Factory original equipment (OE) tire specifications.

25 Years

Front

Tire Size

235/35ZR20

Load Index

92

Speed Rating

(Y)

25 Years

Rear

Tire Size

265/35ZR20

Load Index

99

Speed Rating

(Y)

25 Years

Front

Tire Size

235/35ZR20

Load Index

88

Speed Rating

(Y)

25 Years

Rear

Tire Size

265/35ZR20

Load Index

95

Speed Rating

(Y)

Base

Front

Tire Size

235/45ZR18

Load Index

94

Speed Rating

Y

Base

Rear

Tire Size

265/45ZR18

Load Index

101

Speed Rating

Y

Base

Front

Tire Size

235/40ZR19

Load Index

92

Speed Rating

(Y)

Base

Rear

Tire Size

265/40ZR19

Load Index

98

Speed Rating

(Y)

Base

Front

Tire Size

235/35ZR20

Load Index

88

Speed Rating

(Y)

Base

Rear

Tire Size

265/35ZR20

Load Index

95

Speed Rating

(Y)

Base

Front

Tire Size

235/35ZR20

Load Index

88

Speed Rating

(Y)

Base

Rear

Tire Size

265/35ZR20

Load Index

95

Speed Rating

(Y)

Base

Front

Tire Size

235/35ZR20

Load Index

92

Speed Rating

(Y)

Base

Rear

Tire Size

265/35ZR20

Load Index

99

Speed Rating

(Y)

Base

Front

Tire Size

235/35ZR20

Load Index

92

Speed Rating

(Y)

Base

Rear

Tire Size

265/35ZR20

Load Index

99

Speed Rating

(Y)

GTS 4.0

Front

Tire Size

235/35ZR20

Load Index

88

Speed Rating

(Y)

GTS 4.0

Rear

Tire Size

265/35ZR20

Load Index

95

Speed Rating

(Y)

GTS 4.0

Front

Tire Size

235/35ZR20

Load Index

92

Speed Rating

(Y)

GTS 4.0

Rear

Tire Size

265/35ZR20

Load Index

99

Speed Rating

(Y)

S

Front

Tire Size

235/40ZR19

Load Index

92

Speed Rating

(Y)

S

Rear

Tire Size

265/40ZR19

Load Index

98

Speed Rating

(Y)

S

Front

Tire Size

235/35ZR20

Load Index

88

Speed Rating

(Y)

S

Rear

Tire Size

265/35ZR20

Load Index

95

Speed Rating

(Y)

S

Front

Tire Size

235/35ZR20

Load Index

88

Speed Rating

(Y)

S

Rear

Tire Size

265/35ZR20

Load Index

95

Speed Rating

(Y)

S

Front

Tire Size

235/35ZR20

Load Index

92

Speed Rating

(Y)

S

Rear

Tire Size

265/35ZR20

Load Index

99

Speed Rating

(Y)

S

Front

Tire Size

235/35ZR20

Load Index

92

Speed Rating

(Y)

S

Rear

Tire Size

265/35ZR20

Load Index

99

Speed Rating

(Y)

T

Front

Tire Size

235/35ZR20

Load Index

88

Speed Rating

(Y)

T

Rear

Tire Size

265/35ZR20

Load Index

95

Speed Rating

(Y)

T

Front

Tire Size

235/35ZR20

Load Index

88

Speed Rating

(Y)

T

Rear

Tire Size

265/35ZR20

Load Index

95

Speed Rating

(Y)

T

Front

Tire Size

235/35ZR20

Load Index

92

Speed Rating

(Y)

T

Rear

Tire Size

265/35ZR20

Load Index

99

Speed Rating

(Y)

T

Front

Tire Size

235/35ZR20

Load Index

92

Speed Rating

(Y)

T

Rear

Tire Size

265/35ZR20

Load Index

99

Speed Rating

(Y)