2026 Porsche 911 GT3 (Center Lock) — 255/35R20
O.E. size · 255/35R20 / 315/30R21
2026 Porsche 911 GT3 (Center Lock)
Front: 255/35R20Rear: 315/30R21
2 front + 2 rear
Front: 255/35R20Rear: 315/30R21
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Factory-size matches for your vehicle2 front + 2 rearNo tires are priced for this selected size and service class.
Choose yours for its prices, shelf stock and open times.
What size tires does the 2026 Porsche 911 GT3 (Center Lock) take?
The factory tire sizes for the 2026 Porsche 911 GT3 (Center Lock) are 255/35R20 in front and 315/30R21 in the rear.
The catalog lists the front at load index 97, speed rating Y (up to 186 mph) and the rear at load index 105, speed rating Y (up to 186 mph).
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| Front | 255/35R20 | 97 | Y |
| Rear | 315/30R21 | 105 | Y |
Confirm the size printed on the sidewall of your current tire or on the tire placard in the driver's door jamb before you buy. Replacement tires should meet or exceed the vehicle's load index and speed rating.