🚗 Porsche 911 Carrera Tyre Size, Wheel Specs, PCD, Centre Bore & Torque Guide

🔧 Vehicle Overview

The Porsche 911 Carrera is an iconic rear-engine sports car, known for precision handling and performance. Proper tyre fitment is critical due to its rear-engine weight distribution and staggered wheel setup.

📊 Factory Wheel & Fitment Specifications

🔩 Core Fitment Data (911 Carrera – 997 / 991 / 992)

• Bolt Pattern (PCD): 5×130

• Centre Bore: 71.6 mm

• Wheel Bolt Thread: M14 × 1.5

• Wheel Nut Torque: 160 Nm (118 ft-lb)

✅ Porsche 911 uses centre-lock style look bolts (5 stud) — always torque correctly.

🛞 Factory Wheel Sizes & Offsets

Common OEM Wheel Specs

📌 All 911 Carrera models run staggered setup (wider rear wheels) for traction.

📏 Factory Tyre Sizes (911 Carrera)

🔹 Porsche 997 Carrera

• 235/40R18 (Front)

• 265/40R18 (Rear)

Optional:

• 235/35R19 (Front)

• 295/30R19 (Rear)

🔹 Porsche 991 Carrera

• 245/40R19 (Front)

• 295/35R19 (Rear)

Optional:

• 245/35R20 (Front)

• 305/30R20 (Rear)

🔹 Porsche 992 Carrera (Latest)

• 235/40R19 (Front)

• 295/35R20 (Rear)

Optional staggered upgrade:

• 245/35R20 (Front)

• 305/30R21 (Rear)

⚙️ Aftermarket Upgrade Guide

🔥 Popular Street & Performance Setups

✔ Daily Comfort (19")

• 245/40R19 + 295/35R19
  ✔ Better ride comfort
  ✔ Ideal for Adelaide roads

✔ Performance Setup (20")

• 245/35R20 + 305/30R20
  ✔ Best balance performance + grip

✔ Aggressive Track / GTS Style (20"/21")

• 245/35R20 + 305/30R21
  ✔ Maximum grip
  ✔ Track-ready look

⚠️ Critical Fitment Notes

• Porsche 911 is rear-engine → rear tyres wear faster

• Always install matching tyre brands front & rear

• Use N-rated tyres (Porsche approved) for best performance

• Staggered setup = NO front-to-rear rotation

• Incorrect tyre sizes will affect:

  • PSM stability system

  • Speedometer accuracy

  • Handling balance

🛠️ Torque & Installation Guide

• Torque Spec: 160 Nm

• Re-torque after 50–100 km

• Use torque wrench (essential for Porsche alloys)

🏪 Why Choose Autosport Tyreworld?

At Autosport Tyreworld, we specialise in performance vehicles like Porsche:

✔ Porsche-approved tyre options (Michelin PS4S, Continental SportContact, Pirelli P Zero)
✔ Correct staggered fitment setups
✔ Precision wheel balancing
✔ Performance alignment for sports cars

📍 Visit Our Stores

AUTOSPORT TYREWORLD

📍 647 Magill Road, Magill SA 5072
📞 0452 641 023

📍 411 Grand Junction Road, Wingfield SA 5013
📞 0433 645 411

📍 911 South Road, Clarence Gardens SA 5039
📞 0420 299 911