🚗 Porsche 911 Carrera 4 GTS Tyre Size, Wheel Specs, PCD, Centre Bore & Torque Guide

🔧 Vehicle Overview

The Porsche 911 Carrera 4 GTS combines all-wheel-drive (AWD) traction with the aggressive performance of the GTS lineup. It features wider rear tyres, sport suspension, and higher grip tyre compounds, making correct tyre fitment essential for both performance and drivetrain reliability.

📊 Factory Wheel & Fitment Specifications

🔩 Core Fitment Data (Carrera 4 GTS – 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)

✅ Same specifications across 991 & 992 Carrera 4 GTS models

🛞 Factory Wheel Sizes & Offsets

🔹 Porsche 991 Carrera 4 GTS

🔹 Porsche 992 Carrera 4 GTS

📌 GTS models often include lightweight or centre-lock wheels (optional).

📏 Factory Tyre Sizes

🔹 Porsche 991 Carrera 4 GTS

• Front: 245/35R20

• Rear: 305/30R20

🔹 Porsche 992 Carrera 4 GTS

• Front: 245/35R20

• Rear: 305/30R21

📌 Factory tyres are typically high-performance (Michelin PS4S or optional Cup 2).

⚙️ AWD Tyre Matching (CRITICAL)

Because the Carrera 4 GTS uses AWD:

✔ Same tyre brand front & rear
✔ Same tread pattern
✔ Similar tread depth (within 2–3mm)
✔ Correct rolling diameter

❌ Incorrect matching can cause:

• AWD system damage

• Transfer case wear

• Warning lights / drivetrain faults

⚙️ Recommended Tyres (Australia)

🔥 Best Daily Performance

• Michelin Pilot Sport 4S (N-rated)

• Continental SportContact 7

• Pirelli P Zero (PZ4 Porsche spec)

✔ Excellent grip in wet & dry
✔ Ideal for AWD performance vehicles

🏁 Track / GTS Driving

• Michelin Pilot Sport Cup 2

• Pirelli Trofeo R

✔ Maximum grip
✔ Faster wear rate

🔇 Comfort Option (Daily Driving)

• Continental MaxContact MC7
  ✔ Lower noise
  ✔ Better ride comfort
  ✔ Good option for non-track GTS owners

⚙️ Aftermarket Upgrade Guide

✔ OEM+ Setup (Recommended)

• 245/35R20 + 305/30R20/21
  ✔ Maintains AWD system balance

✔ Comfort Setup

• Same sizes with touring tyre
  ✔ Reduced noise
  ✔ Better lifespan

✔ Performance Setup

• PS4S / SportContact 7
  ✔ Best all-round performance

⚠️ Critical Fitment Notes

• AWD requires perfect tyre matching

• Always replace tyres as a full set (recommended)

• Staggered setup = NO front-to-rear rotation

• Incorrect sizing affects:

  • AWD system

  • Porsche Stability Management (PSM)

• Always recommend N-rated tyres

🛠️ Torque & Installation Guide

• Torque Spec: 160 Nm

• Re-torque after 50–100 km

• Always use torque wrench (critical for Porsche wheels)

🏪 Why Choose Autosport Tyreworld?

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

✔ Correct AWD tyre matching expertise
✔ Porsche-approved tyre options
✔ Premium brands: Michelin, Continental, Pirelli
✔ Performance alignment & precision balancing

📍 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