1990 Porsche 928 Wheel & Tire Sizes
Complete fitment guide for the 1990 Porsche 928: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x130 bolt pattern, for every trim.
Bolt Pattern
5x130
Centre Bore
71.6 mm
Lug nuts
M14 x 1.5
Torque: 108 - 130 Nm
Wheel Diameters
16"–17"
Factory (OEM) Tire Sizes for the 1990 Porsche 928
Front / square fitments
Rear (staggered fitments)
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1990 Porsche 928 Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 1990 Porsche 928 configuration. Trims with different front and rear specs run a staggered setup.
5.0 GT · 3.0 S2 · Convertible
Staggered3.0L · I4 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 16–17" | 16–17" |
| Wheel width | 7–8" | 9" |
| Wheel offset | 50–65 mm | 40–43 mm |
| Tire width | 215–225 mm | 215–225 mm |
5.0 S4 · 2.5 Turbo · Convertible
Staggered2.5L · I4 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 16" | 16" |
| Wheel width | 7–8" | 8–9" |
| Wheel offset | 50–65 mm | 40–50 mm |
| Tire width | 205–225 mm | 205–225 mm |
1990 Porsche 928 Fitment FAQ
What is the bolt pattern on a 1990 Porsche 928?
The 1990 Porsche 928 uses a 5x130 bolt pattern (5 lug nuts on a 130 mm circle) with a 71.6 mm centre bore.
What size tires fit a 1990 Porsche 928?
Factory (OEM) tire sizes for the 1990 Porsche 928 include 225/45ZR17; staggered rear fitments use 255/40ZR17. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 1990 Porsche 928?
Depending on trim, the 1990 Porsche 928 accepts wheels from 16" up to 17" in diameter with the correct width and offset, larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
What lug nut size does a 1990 Porsche 928 use?
The 1990 Porsche 928 uses M14 x 1.5 lug nuts, torqued to 108 - 130 Nm.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.