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.