2026 Porsche 718 Wheel & Tire Sizes
Complete fitment guide for the 2026 Porsche 718: 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
TPMS
433 MHz
Factory (OEM) Tire Sizes for the 2026 Porsche 718
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.
2026 Porsche 718 Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2026 Porsche 718 configuration. Trims with different front and rear specs run a staggered setup.
Boxster
Staggered2L
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 8–8.5" | 9.5–10.5" |
| Wheel offset | 57 mm | 45–49 mm |
| Tire width | 235 mm | 0 mm |
Boxster
Staggered2L
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 8–8.5" | 9.5–10.5" |
| Wheel offset | 57 mm | 40–49 mm |
| Tire width | 235 mm | 0 mm |
Boxster
Staggered4L
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 8–8.5" | 9.5–10.5" |
| Wheel offset | 45–57 mm | 40–49 mm |
| Tire width | 225–235 mm | 225–235 mm |
Boxster GTS
Staggered4L
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 20" | 20" |
| Wheel width | 8.5" | 10.5" |
| Wheel offset | 57 mm | 47 mm |
| Tire width | 235 mm | 0 mm |
Boxster GTS
Staggered4L
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 20" | 20" |
| Wheel width | 8.5" | 10.5" |
| Wheel offset | 45–57 mm | 40–47 mm |
| Tire width | 225–235 mm | 225–235 mm |
Boxster S
Staggered2.5L
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 19–20" | 19–20" |
| Wheel width | 8–8.5" | 10–10.5" |
| Wheel offset | 57 mm | 45–49 mm |
| Tire width | 235 mm | 0 mm |
Boxster S
Staggered2L
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 19–20" | 19–20" |
| Wheel width | 8–8.5" | 10–10.5" |
| Wheel offset | 45–57 mm | 40–49 mm |
| Tire width | 225–235 mm | 225–235 mm |
Cayman
Staggered2L
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 8–8.5" | 9.5–10.5" |
| Wheel offset | 57 mm | 40–49 mm |
| Tire width | 235 mm | 0 mm |
Cayman
Staggered2.5L
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 8–8.5" | 9.5–10.5" |
| Wheel offset | 45–57 mm | 40–49 mm |
| Tire width | 225–235 mm | 225–235 mm |
Cayman GT4
Staggered4L
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 20" | 20" |
| Wheel width | 8.5" | 11" |
| Wheel offset | 61 mm | 50 mm |
| Tire width | 245 mm | 0 mm |
Cayman GT4
Staggered4L
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 20" | 20" |
| Wheel width | 8.5" | 10.5–11" |
| Wheel offset | 45–61 mm | 40–50 mm |
| Tire width | 235–245 mm | 235–245 mm |
Cayman GTS
Staggered4L
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 20" | 20" |
| Wheel width | 8.5" | 10.5" |
| Wheel offset | 57 mm | 47 mm |
| Tire width | 235 mm | 0 mm |
Cayman GTS
Staggered2L
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 20" | 20" |
| Wheel width | 8.5" | 10.5" |
| Wheel offset | 45–57 mm | 40–47 mm |
| Tire width | 225–235 mm | 225–235 mm |
Cayman S
Staggered2.5L
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 19–20" | 19–20" |
| Wheel width | 8–8.5" | 10–10.5" |
| Wheel offset | 57 mm | 45–49 mm |
| Tire width | 235 mm | 0 mm |
Cayman S
Staggered4L
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 19–20" | 19–20" |
| Wheel width | 8–8.5" | 10–10.5" |
| Wheel offset | 45–57 mm | 40–49 mm |
| Tire width | 225–235 mm | 225–235 mm |
Spyder
Staggered2L
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 20" | 20" |
| Wheel width | 8.5" | 11" |
| Wheel offset | 61 mm | 50 mm |
| Tire width | 245 mm | 0 mm |
Spyder
Staggered2.5L
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 20" | 20" |
| Wheel width | 8.5" | 10.5–11" |
| Wheel offset | 45–61 mm | 40–50 mm |
| Tire width | 235–245 mm | 235–245 mm |
2026 Porsche 718 Fitment FAQ
What is the bolt pattern on a 2026 Porsche 718?
The 2026 Porsche 718 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 2026 Porsche 718?
Factory (OEM) tire sizes for the 2026 Porsche 718 include 235/45ZR18, 235/40ZR19, 235/35ZR20, 245/35ZR20; staggered rear fitments use 265/45ZR18, 265/40ZR19, 265/35ZR20, 295/30ZR20. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2026 Porsche 718?
Depending on trim, the 2026 Porsche 718 accepts wheels from 18" up to 20" in diameter with the correct width and offset, larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.