1999 Porsche 911 Wheel & Tire Sizes
Complete fitment guide for the 1999 Porsche 911: 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 bolts
M14 x 1.5
Torque: 130 Nm
Wheel Diameters
17"–18"
Factory (OEM) Tire Sizes for the 1999 Porsche 911
Front / square fitments
Rear (staggered fitments)
Click any size to shop tires in stock now, free shipping anywhere in Canada, optional installation at our 5 GTA locations.
1999 Porsche 911 Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 1999 Porsche 911 configuration. Trims with different front and rear specs run a staggered setup.
3.4 Carrera 2 · 3.6 GT2 · Convertible
Staggered3.6L · F6 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 17–18" | 17–18" |
| Wheel width | 7–7.5" | 8.5–10" |
| Wheel offset | 40–55 mm | 40–65 mm |
| Tire width | 205–225 mm | 205–225 mm |
3.4 Carrera 2 WLS · 3.6 GT3 · Convertible
Staggered3.6L · F6 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 17–18" | 17–18" |
| Wheel width | 7–7.5" | 8.5–10" |
| Wheel offset | 40–55 mm | 40–65 mm |
| Tire width | 205–225 mm | 205–225 mm |
3.4 Carrera 4 · 3.2 S · Convertible
Staggered3.2L · F6 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 17–18" | 17–18" |
| Wheel width | 7–7.5" | 8.5–10" |
| Wheel offset | 40–55 mm | 40–65 mm |
| Tire width | 205–225 mm | 205–225 mm |
3.4 Carrera 4 WLS · 2.5 · Convertible
Staggered2.5L · F6 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 17–18" | 17–18" |
| Wheel width | 7–7.5" | 8.5–10" |
| Wheel offset | 40–55 mm | 40–65 mm |
| Tire width | 205–225 mm | 205–225 mm |
3.6 GT2 · 3.6 Turbo · Targa
Staggered3.6L · F6 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18" | 18" |
| Wheel width | 8.5" | 11–12" |
| Wheel offset | 35–40 mm | 40–45 mm |
| Tire width | 235 mm | 235 mm |
3.6 GT3 · 2.7 · Convertible
Staggered2.7L · F6 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18" | 18" |
| Wheel width | 8" | 10" |
| Wheel offset | 40–52 mm | 40–65 mm |
| Tire width | 225 mm | 225 mm |
1999 Porsche 911 Fitment FAQ
What is the bolt pattern on a 1999 Porsche 911?
The 1999 Porsche 911 uses a 5x130 bolt pattern (5 lug bolts on a 130 mm circle) with a 71.6 mm centre bore.
What size tires fit a 1999 Porsche 911?
Factory (OEM) tire sizes for the 1999 Porsche 911 include 205/50ZR17, 205/50R17, 225/40ZR18, 235/40ZR18; staggered rear fitments use 225/45R17, 255/40ZR17, 265/35ZR18, 285/30ZR18, 315/30ZR18. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 1999 Porsche 911?
Depending on trim, the 1999 Porsche 911 accepts wheels from 17" up to 18" in diameter with the correct width and offset, larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
What lug bolt size does a 1999 Porsche 911 use?
The 1999 Porsche 911 uses M14 x 1.5 lug bolts, torqued to 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.