2025 Porsche 718 Boxster Tire Size & Pressure

The 2025 Porsche 718 Boxster tire size depends on trim: the Base, Standard Trans takes 235/35ZR20 (88Y); the S, Eng CD MDJ.UB takes 235/40ZR19 (92Y); the GTS 4.0, Eng CD MDW.AD takes 235/35ZR20 (88Y), per the factory service manual.

Factory-Spec Tire Size
Varies by trim
  • Base, Standard Trans: 235/35ZR20 (88Y)
  • S, Eng CD MDJ.UB: 235/40ZR19 (92Y)
  • GTS 4.0, Eng CD MDW.AD: 235/35ZR20 (88Y)

Base, Standard Trans

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All235/35ZR20 (88Y)Door Placard
All235/45ZR18 94YDoor Placard
All265/35ZR20 (95Y)Door Placard
All265/45ZR18 101YDoor Placard

S, Eng CD MDJ.UB

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All235/40ZR19 (92Y)Door Placard
All235/45ZR18 94YDoor Placard
All265/40ZR19 (98Y)Door Placard
All265/45ZR18 101YDoor Placard

GTS 4.0, Eng CD MDW.AD

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
All235/35ZR20 (88Y)Door Placard
All235/45ZR18 94YDoor Placard
All265/35ZR20 (95Y)Door Placard
All265/45ZR18 101YDoor Placard

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Frequently Asked Questions

What size tires does a 2025 Porsche 718 Boxster take?

It depends on the trim: Base, Standard Trans uses 235/35ZR20 (88Y); S, Eng CD MDJ.UB uses 235/40ZR19 (92Y); GTS 4.0, Eng CD MDW.AD uses 235/35ZR20 (88Y).

What is the tire pressure for a 2025 Porsche 718 Boxster?

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 2025 Porsche 718 Boxster?

Bolt pattern data is available in the factory service manual.

Other Porsche 718 Boxster Years

Other Porsche Models