🚗 Porsche 911 GT3 Touring Tyre Size, Wheel Specs, PCD, Centre Bore & Torque Guide

🔧 Vehicle Overview

The Porsche 911 GT3 Touring delivers GT3 performance without the rear wing, offering a more subtle design while retaining track-level engineering and rear-wheel-drive precision. Unlike standard GT3 models, the Touring is often used more for road driving, making tyre choice critical for balancing comfort and performance.

📊 Factory Wheel & Fitment Specifications

🔩 Core Fitment Data (GT3 Touring – All Generations)

• Bolt Pattern (PCD): 5×130

• Centre Bore: 71.6 mm

• Wheel Bolt Thread: M14 × 1.5

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

✅ GT3 Touring may come with:

• 5-stud wheels (most common for street use)

• Centre-lock wheels (optional)

🛞 Factory Wheel Sizes & Offsets

🔹 Porsche 991.2 GT3 Touring

🔹 Porsche 992 GT3 Touring

📌 Same wheel specs as GT3 models, tuned for high performance.

📏 Factory Tyre Sizes

🔹 Porsche 991.2 GT3 Touring

• Front: 245/35R20

• Rear: 305/30R20

🔹 Porsche 992 GT3 Touring

• Front: 255/35R20

• Rear: 315/30R21

📌 These are extreme performance tyre sizes, identical to GT3.

⚙️ Recommended Tyres (Australia)

🔥 Best Daily Performance (Touring Focus)

• Michelin Pilot Sport 4S (N-rated)

• Continental SportContact 7

• Pirelli P Zero (PZ4 Porsche spec)

✔ Better ride comfort
✔ Excellent wet performance
✔ Ideal for daily GT3 Touring use

🏁 Track / Maximum Performance

• Michelin Pilot Sport Cup 2 (N-rated)

• Michelin Cup 2 R

• Pirelli Trofeo R

✔ Maximum dry grip
✔ Track-focused performance

🔇 Comfort Option (Daily Driving)

• Continental MaxContact MC7 (rare but possible choice)
  ✔ Lower noise
  ✔ Improved ride quality

⚙️ Aftermarket Upgrade Guide

✔ OEM+ Setup (Recommended)

• Maintain factory sizes
  ✔ Preserves GT3 handling characteristics

✔ Street Performance Setup

• PS4S / SportContact 7
  ✔ Best balance for daily + performance

✔ Track Setup

• Cup 2 / Cup 2 R
  ✔ Maximum cornering grip

⚠️ Critical Fitment Notes

• GT3 Touring is RWD (no AWD constraints)

• Staggered setup = NO front-to-rear rotation

• Track tyres require:

  • Warm-up before driving hard

  • Proper tyre pressures

• Incorrect sizing affects:

  • Steering precision

  • Cornering stability

• Always recommend N-rated tyres

🛠️ Torque & Installation Guide

• Torque Spec: 160 Nm (5-stud models)

Centre-Lock Wheels:

• Require special tool

• Torque significantly higher (manufacturer-specific)

✔ Re-torque after 50–100 km

🏪 Why Choose Autosport Tyreworld?

At Autosport Tyreworld, we specialise in high-performance Porsche vehicles:

✔ GT3 & Touring tyre fitment expertise
✔ Porsche-approved tyre options
✔ Premium brands: Michelin, Continental, Pirelli
✔ Precision balancing & performance alignment

📍 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