🚗 Porsche 911 Turbo S Tyre Size, Wheel Specs, PCD, Centre Bore & Torque Guide
🔧 Vehicle Overview
The Porsche 911 Turbo S is one of the most advanced high-performance AWD sports cars, delivering extreme power, launch control, and precision handling. With its Porsche Traction Management (PTM) AWD system, tyre selection is absolutely critical to maintain performance, safety, and drivetrain longevity.
📊 Factory Wheel & Fitment Specifications
🔩 Core Fitment Data (Turbo S – All Generations)
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Bolt Pattern (PCD): 5×130
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Centre Bore: 71.6 mm
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Wheel Bolt Thread: M14 × 1.5
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Wheel Nut Torque: 160 Nm (118 ft-lb)
✅ Applies to 997, 991, and 992 Turbo S
🛞 Factory Wheel Sizes & Offsets
🔹 Porsche 997 Turbo S
| Position | Wheel Size | Offset |
|---|---|---|
| Front | 19x8.5 | ET56 |
| Rear | 19x11 | ET51 |
🔹 Porsche 991 Turbo S
| Position | Wheel Size | Offset |
|---|---|---|
| Front | 20x9 | ET51 |
| Rear | 20x11.5 | ET56 |
🔹 Porsche 992 Turbo S
| Position | Wheel Size | Offset |
|---|---|---|
| Front | 20x9 | ET55 |
| Rear | 21x11.5 | ET67 |
📌 Turbo S models use wider rear wheels for maximum traction under boost.
📏 Factory Tyre Sizes
🔹 Porsche 997 Turbo S
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Front: 235/35R19
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Rear: 305/30R19
🔹 Porsche 991 Turbo S
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Front: 245/35R20
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Rear: 305/30R20
🔹 Porsche 992 Turbo S
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Front: 255/35R20
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Rear: 315/30R21
📌 The 992 Turbo S features extreme 315 rear tyres for maximum grip.
⚙️ AWD Tyre Matching (CRITICAL FOR TURBO S)
The Turbo S AWD system is highly sensitive:
✔ Same tyre brand front & rear
✔ Same tread pattern
✔ Similar tread depth (within 2–3mm)
✔ Correct rolling diameter
❌ Incorrect setup can cause:
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AWD system damage
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Transfer case failure
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Reduced launch performance
⚙️ Recommended Tyres (Australia)
🔥 Best Daily Performance
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Michelin Pilot Sport 4S (N-rated)
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Pirelli P Zero (PZ4 Porsche spec)
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Continental SportContact 7
✔ High-speed stability
✔ Excellent wet & dry performance
🏁 Maximum Performance / Supercar Driving
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Michelin Pilot Sport Cup 2 (N-rated)
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Pirelli Trofeo R
✔ Maximum grip
✔ Ideal for high-power applications
🔇 Comfort Option (Limited use)
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Continental MaxContact MC7 (rare for Turbo S owners)
✔ Lower noise
✔ More comfort-focused
⚙️ Aftermarket Upgrade Guide
✔ OEM+ Setup (Recommended)
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Maintain factory sizes
✔ Essential for AWD + performance
✔ Performance Setup
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PS4S / SportContact 7
✔ Best balance for street + performance
✔ Track Setup
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Cup 2 / Semi-slick tyres
✔ Maximum traction
⚠️ Critical Fitment Notes
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Always replace tyres as a full set
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AWD requires perfect tyre matching
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Staggered setup = NO front-to-rear rotation
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Incorrect sizing affects:
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Porsche Traction Management (PTM)
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Launch control system
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Stability control (PSM)
-
-
Always use N-rated tyres
🛠️ Torque & Installation Guide
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Torque Spec: 160 Nm
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Re-torque after 50–100 km
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Always use torque wrench (essential for supercars)
🏪 Why Choose Autosport Tyreworld?
At Autosport Tyreworld, we specialise in supercar tyre fitment:
✔ AWD tyre matching expertise
✔ Porsche-approved tyre options
✔ Premium brands: Michelin, Continental, Pirelli
✔ High-speed balancing & precision 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