🏁 Porsche 911 Sport Classic Tyre Size, Wheel Specs, PCD, Centre Bore & Torque Guide

🔧 Vehicle Overview

The Porsche 911 Sport Classic (992) is a limited-production heritage model, combining Turbo performance with rear-wheel drive (RWD) and classic styling elements like the ducktail spoiler and Fuchs-style wheels.

With high power and unique wheel design, selecting the correct tyres is critical for:
✔ Performance
✔ Ride quality
✔ Maintaining originality

📊 Factory Wheel & Fitment Specifications

🔩 Core Fitment Data (Sport Classic 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)

✅ Same base hub specs as other 992 models

🛞 Factory Wheel Sizes & Offsets

🔹 Porsche 911 Sport Classic (992)

📌 Unique Fuchs-style centre-lock inspired wheels (5-stud)
📌 Wide rear wheels for RWD traction

📏 Factory Tyre Sizes

🔹 OEM Tyre Setup

• Front: 255/35R20

• Rear: 315/30R21

📌 Same sizing as 992 Turbo, but with RWD layout

⚙️ Recommended Tyres (Australia)

🔥 Best Daily Performance (Recommended)

• Michelin Pilot Sport 4S (N-rated)

• Pirelli P Zero (PZ4 Porsche spec)

• Continental SportContact 7

✔ Excellent wet & dry grip
✔ Perfect balance for daily driving

🏁 High Performance / Spirited Driving

• Michelin Pilot Sport Cup 2

✔ Increased grip
✔ More aggressive driving capability

🔇 Comfort Option (Luxury Driving)

• Continental MaxContact MC7
  ✔ Lower noise
  ✔ Improved ride comfort
  ✔ Suitable for cruising-focused owners

⚙️ Aftermarket Upgrade Guide

✔ OEM+ Setup (Recommended)

• 255/35R20 + 315/30R21
  ✔ Maintains Porsche tuning

✔ Comfort Setup

• Same size with touring-performance tyre
  ✔ Reduced road noise
  ✔ Better ride quality

✔ Performance Setup

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

⚠️ Critical Fitment Notes

• Sport Classic is RWD with high power

• Requires strong rear grip

• Staggered setup = NO front-to-rear rotation

❌ Incorrect tyres can:

• Reduce traction

• Affect handling balance

• Compromise braking

✔ Always recommend N-rated tyres

🛠️ Torque & Installation Guide

• Torque Spec: 160 Nm

• Re-torque after 50–100 km

• Always use torque wrench

🏪 Why Choose Autosport Tyreworld?

At Autosport Tyreworld, we specialise in premium and limited Porsche models:

✔ Porsche-approved tyre options
✔ Expert fitment for high-performance RWD vehicles
✔ 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