1991 Porsche 928 Tire Size & Pressure
The 1991 Porsche 928 tire size depends on trim: the S4 takes 225/50ZR16; the GT takes 225/50ZR16, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
- S4: 225/50ZR16
- GT: 225/50ZR16
S4
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | 225/50ZR16 | Door Placard | — | — |
| All | 245/45ZR16 | Door Placard | — | — |
Search by this configuration
Retailer searches do not verify vehicle fitment. Check the driver's door placard and wheel setup before ordering.
GT
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | 225/50ZR16 | Door Placard | — | — |
| All | 245/45ZR16 | Door Placard | — | — |
Search by this configuration
Retailer searches do not verify vehicle fitment. Check the driver's door placard and wheel setup before ordering.
More 928 Specs & Repair Guides
🛢️ 1991 Porsche 928 Oil Type & Capacity →🌧️ 1991 Porsche 928 Wiper Blade Sizes →💡 1991 Porsche 928 Light Bulb Sizes →📖 1991 Porsche 928 Factory Service Manual →Powered by factory manual data from our partner network AllOEMManuals.com.
Frequently Asked Questions
What size tires does a 1991 Porsche 928 take?
It depends on the trim: S4 uses 225/50ZR16; GT uses 225/50ZR16.
What is the tire pressure for a 1991 Porsche 928?
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 1991 Porsche 928?
Bolt pattern data is available in the factory service manual.
Other Porsche 928 Years
1995 9281994 9281993 9281990 9281989 9281988 9281987 9281986 9281985 9281984 9281983 9281982 9281981 9281980 928