The 2018 Porsche 911 tire size depends on trim: the Carrera 4 GTS, 2D Convertible, Standard Trans takes 245/35ZR20 (91Y); the Carrera 4 GTS, 2D Convertible, Automatic DCT Trans takes 245/35ZR20 (91Y); the Carrera 4 GTS, 2D Coupe, Automatic DCT Trans takes 245/35ZR20 (91Y); the Carrera 4, 2D Convertible, Standard Trans takes 235/40ZR19 (92Y); the Carrera 4, 2D Coupe, Standard Trans takes 235/40ZR19 (92Y); the Carrera 4, 2D Coupe, Automatic DCT Trans takes 235/40ZR19 (92Y); the Carrera 4S, 2D Convertible, Automatic DCT Trans takes 245/35ZR20 (91Y); the Carrera 4, 2D Convertible, Automatic DCT Trans takes 235/40ZR19 (92Y); the Carrera 4 GTS, 2D Coupe, Standard Trans takes 245/35ZR20 (91Y); the Carrera 4S, 2D Coupe, Standard Trans takes 245/35ZR20 (91Y); the Carrera GTS, 2D Coupe, Automatic DCT Trans takes 245/35ZR20 (91Y); the Carrera S, 2D Convertible, Standard Trans takes 245/35ZR20 (91Y); the Carrera GTS, 2D Coupe, Standard Trans takes 245/35ZR20 (91Y); the Carrera S, 2D Convertible, Automatic DCT Trans takes 245/35ZR20 (91Y); the Carrera 4S, 2D Coupe, Automatic DCT Trans takes 245/35ZR20 (91Y); the Carrera 4S, 2D Convertible, Standard Trans takes 245/35ZR20 (91Y); the Carrera S, 2D Coupe, Standard Trans takes 245/35ZR20 (91Y); the Carrera S, 2D Coupe, Automatic DCT Trans takes 245/35ZR20 (91Y); the Carrera T, Automatic DCT Trans takes 245/35ZR20 (91Y); the Carrera GTS, 2D Convertible, Standard Trans takes 245/35ZR20 (91Y); the Carrera T, Standard Trans takes 245/35ZR20 (91Y); the Carrera, 2D Convertible, Automatic DCT Trans takes 235/40ZR19 (92Y); the Carrera GTS, 2D Convertible, Automatic DCT Trans takes 245/35ZR20 (91Y); the Carrera, 2D Coupe, Standard Trans takes 235/40ZR19 (92Y); the Carrera, 2D Coupe, Automatic DCT Trans takes 235/40ZR19 (92Y); the GT2 RS takes 265/35ZR20 (99Y) XL; the Carrera, 2D Convertible, Standard Trans takes 235/40ZR19 (92Y); the GT3, Automatic DCT Trans takes 245/35ZR20 (91Y); the GT3, Standard Trans takes 245/35ZR20 (91Y); the Targa 4 GTS, Automatic DCT Trans takes 245/35ZR20 (91Y); the Targa 4 GTS, Standard Trans takes 245/35ZR20 (91Y); the Targa 4, Automatic DCT Trans takes 235/40ZR19 (92Y); the Targa 4, Standard Trans takes 235/40ZR19 (92Y); the Targa 4S, Automatic DCT Trans takes 245/35ZR20 (91Y); the Targa 4S, Standard Trans takes 245/35ZR20 (91Y); the Turbo S, 2D Convertible takes 245/35ZR20 (91Y); the Turbo S, 2D Coupe takes 245/35ZR20 (91Y); the Turbo, 2D Convertible takes 245/35ZR20 (91Y); the Turbo S Exclusive Series takes 245/35ZR20 (91Y); the Turbo, 2D Coupe takes 245/35ZR20 (91Y), per the factory service manual.
Factory-Spec Tire Size
Varies by trim
Carrera 4 GTS, 2D Convertible, Standard Trans: 245/35ZR20 (91Y)
Carrera 4 GTS, 2D Convertible, Automatic DCT Trans: 245/35ZR20 (91Y)
Carrera 4 GTS, 2D Coupe, Automatic DCT Trans: 245/35ZR20 (91Y)
Carrera 4, 2D Convertible, Standard Trans: 235/40ZR19 (92Y)
Carrera 4, 2D Coupe, Standard Trans: 235/40ZR19 (92Y)
Carrera 4, 2D Coupe, Automatic DCT Trans: 235/40ZR19 (92Y)
Carrera 4S, 2D Convertible, Automatic DCT Trans: 245/35ZR20 (91Y)
Carrera 4, 2D Convertible, Automatic DCT Trans: 235/40ZR19 (92Y)
Carrera 4 GTS, 2D Coupe, Standard Trans: 245/35ZR20 (91Y)
Carrera 4S, 2D Coupe, Standard Trans: 245/35ZR20 (91Y)
Carrera GTS, 2D Coupe, Automatic DCT Trans: 245/35ZR20 (91Y)
Carrera S, 2D Convertible, Standard Trans: 245/35ZR20 (91Y)
Carrera GTS, 2D Coupe, Standard Trans: 245/35ZR20 (91Y)
Carrera S, 2D Convertible, Automatic DCT Trans: 245/35ZR20 (91Y)
Carrera 4S, 2D Coupe, Automatic DCT Trans: 245/35ZR20 (91Y)
Carrera 4S, 2D Convertible, Standard Trans: 245/35ZR20 (91Y)
Carrera S, 2D Coupe, Standard Trans: 245/35ZR20 (91Y)
Carrera S, 2D Coupe, Automatic DCT Trans: 245/35ZR20 (91Y)
Carrera T, Automatic DCT Trans: 245/35ZR20 (91Y)
Carrera GTS, 2D Convertible, Standard Trans: 245/35ZR20 (91Y)
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Frequently Asked Questions
What size tires does a 2018 Porsche 911 take?
It depends on the trim: Carrera 4 GTS, 2D Convertible, Standard Trans uses 245/35ZR20 (91Y); Carrera 4 GTS, 2D Convertible, Automatic DCT Trans uses 245/35ZR20 (91Y); Carrera 4 GTS, 2D Coupe, Automatic DCT Trans uses 245/35ZR20 (91Y); Carrera 4, 2D Convertible, Standard Trans uses 235/40ZR19 (92Y); Carrera 4, 2D Coupe, Standard Trans uses 235/40ZR19 (92Y); Carrera 4, 2D Coupe, Automatic DCT Trans uses 235/40ZR19 (92Y); Carrera 4S, 2D Convertible, Automatic DCT Trans uses 245/35ZR20 (91Y); Carrera 4, 2D Convertible, Automatic DCT Trans uses 235/40ZR19 (92Y); Carrera 4 GTS, 2D Coupe, Standard Trans uses 245/35ZR20 (91Y); Carrera 4S, 2D Coupe, Standard Trans uses 245/35ZR20 (91Y); Carrera GTS, 2D Coupe, Automatic DCT Trans uses 245/35ZR20 (91Y); Carrera S, 2D Convertible, Standard Trans uses 245/35ZR20 (91Y); Carrera GTS, 2D Coupe, Standard Trans uses 245/35ZR20 (91Y); Carrera S, 2D Convertible, Automatic DCT Trans uses 245/35ZR20 (91Y); Carrera 4S, 2D Coupe, Automatic DCT Trans uses 245/35ZR20 (91Y); Carrera 4S, 2D Convertible, Standard Trans uses 245/35ZR20 (91Y); Carrera S, 2D Coupe, Standard Trans uses 245/35ZR20 (91Y); Carrera S, 2D Coupe, Automatic DCT Trans uses 245/35ZR20 (91Y); Carrera T, Automatic DCT Trans uses 245/35ZR20 (91Y); Carrera GTS, 2D Convertible, Standard Trans uses 245/35ZR20 (91Y); Carrera T, Standard Trans uses 245/35ZR20 (91Y); Carrera, 2D Convertible, Automatic DCT Trans uses 235/40ZR19 (92Y); Carrera GTS, 2D Convertible, Automatic DCT Trans uses 245/35ZR20 (91Y); Carrera, 2D Coupe, Standard Trans uses 235/40ZR19 (92Y); Carrera, 2D Coupe, Automatic DCT Trans uses 235/40ZR19 (92Y); GT2 RS uses 265/35ZR20 (99Y) XL; Carrera, 2D Convertible, Standard Trans uses 235/40ZR19 (92Y); GT3, Automatic DCT Trans uses 245/35ZR20 (91Y); GT3, Standard Trans uses 245/35ZR20 (91Y); Targa 4 GTS, Automatic DCT Trans uses 245/35ZR20 (91Y); Targa 4 GTS, Standard Trans uses 245/35ZR20 (91Y); Targa 4, Automatic DCT Trans uses 235/40ZR19 (92Y); Targa 4, Standard Trans uses 235/40ZR19 (92Y); Targa 4S, Automatic DCT Trans uses 245/35ZR20 (91Y); Targa 4S, Standard Trans uses 245/35ZR20 (91Y); Turbo S, 2D Convertible uses 245/35ZR20 (91Y); Turbo S, 2D Coupe uses 245/35ZR20 (91Y); Turbo, 2D Convertible uses 245/35ZR20 (91Y); Turbo S Exclusive Series uses 245/35ZR20 (91Y); Turbo, 2D Coupe uses 245/35ZR20 (91Y).
What is the tire pressure for a 2018 Porsche 911?
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 2018 Porsche 911?
Bolt pattern data is available in the factory service manual.