🚗 Porsche 911 Turbo Tyre Size, Wheel Specs, PCD, Centre Bore & Torque Guide
🔧 Vehicle Overview
The Porsche 911 Turbo / Turbo S represents the pinnacle of everyday supercar performance, featuring twin-turbo power and advanced AWD (PTM system). With extremely high power output, correct tyre fitment is critical for traction, safety, and drivetrain protection.
Need tyres for your Porsche 911 Turbo in Adelaide?
Autosport Tyre World Magill can help confirm the correct tyre size, load rating, wheel fitment and alignment needs before you order.
Call Magill: 0452 641 023 Get fitted tyre quote View tyres Book wheel alignment
Tyre options and fitment help for Porsche 911 Turbo
Use these links to check available tyre options by size. If you are unsure which size suits your exact model, send us your tyre placard photo before ordering.
| Size / service | Best use | Shop or search | Fitment check |
|---|---|---|---|
| 235/35R19 | Performance, comfort and upgrade options | View 235/35R19 tyre options | Check fitted availability |
| 305/30R19 | 4WD, touring, AT/HT tyre options | View 305/30R19 tyre options | Check fitted availability |
| 245/35R20 | Performance, comfort and upgrade options | View 245/35R20 tyre options | Check fitted availability |
| 305/30R20 | 4WD, touring, AT/HT tyre options | View 305/30R20 tyre options | Check fitted availability |
| 255/35R20 | Performance, comfort and upgrade options | View 255/35R20 tyre options | Check fitted availability |
| 315/30R21 | 4WD, touring, AT/HT tyre options | View 315/30R21 tyre options | Check fitted availability |
| Wheel alignment | Recommended after tyre or wheel changes | Wheel alignment Adelaide | Call Magill |
📊 Factory Wheel & Fitment Specifications
🔩 Core Fitment Data (Turbo – 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 across 997, 991, and 992 Turbo / Turbo S
🛞 Factory Wheel Sizes & Offsets
🔹 Porsche 997 Turbo
| Position | Wheel Size | Offset |
|---|---|---|
| Front | 19x8.5 | ET56 |
| Rear | 19x11 | ET51 |
🔹 Porsche 991 Turbo / Turbo S
| Position | Wheel Size | Offset |
|---|---|---|
| Front | 20x9 | ET51 |
| Rear | 20x11.5 | ET56 |
🔹 Porsche 992 Turbo / Turbo S
| Position | Wheel Size | Offset |
|---|---|---|
| Front | 20x9 | ET55 |
| Rear | 21x11.5 | ET67 |
📌 Turbo models use wider rear wheels than Carrera models for maximum traction.
📏 Factory Tyre Sizes
🔹 Porsche 997 Turbo
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Front: 235/35R19
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Rear: 305/30R19
🔹 Porsche 991 Turbo / Turbo S
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Front: 245/35R20
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Rear: 305/30R20
🔹 Porsche 992 Turbo / Turbo S
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Front: 255/35R20
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Rear: 315/30R21
📌 The 992 Turbo uses extra-wide rear tyres (315 section) for extreme grip.
⚙️ AWD Tyre Matching (CRITICAL FOR TURBO)
The Porsche Turbo AWD system is highly sensitive:
✔ Same tyre brand
✔ 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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Loss of traction under boost
⚙️ 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 grip
✔ Ideal for daily + performance
🏁 Maximum Performance / Turbo Driving
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Michelin Pilot Sport Cup 2
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Pirelli Trofeo R
✔ Maximum grip
✔ Designed for high-power vehicles
🔇 Comfort Option (Limited use)
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Continental MaxContact MC7 (not typical for Turbo owners)
✔ Lower noise
✔ Better comfort
⚙️ Aftermarket Upgrade Guide
✔ OEM+ Setup (Recommended)
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Maintain factory sizes
✔ Critical for AWD + performance
✔ Performance Setup
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PS4S / SportContact 7
✔ Best balance of grip + durability
✔ Track Setup
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Cup 2 / Semi-slick tyres
✔ Maximum traction for Turbo power
⚠️ Critical Fitment Notes
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Turbo models require perfect tyre matching
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Always replace tyres as a full set
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Staggered setup = NO front-to-rear rotation
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Incorrect sizes affect:
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AWD system (PTM)
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Porsche Stability Management (PSM)
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Launch control performance
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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 high-performance vehicles)
🏪 Why Choose Autosport Tyreworld?
At Autosport Tyreworld, we specialise in high-performance vehicles like Porsche Turbo:
✔ 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
Need tyres or wheel alignment for your Porsche 911 Turbo in Adelaide?
Send us your tyre size, vehicle model or tyre placard photo and the team at Autosport Tyre World Magill will confirm suitable options, availability and fitted advice.
Autosport Tyre World Magill: 647 Magill Road, Magill SA 5072. Phone 0452 641 023.
Call Magill Get fitted tyre quote View tyres Wheel alignment Adelaide