🚗 Porsche 911 (996) Tyre Size, Wheel Specs, PCD, Centre Bore & Torque Guide (1997–2006)
🔧 Vehicle Overview
The Porsche 911 (996) marked a major evolution as the first water-cooled 911, offering improved comfort, performance, and usability. Available in multiple variants including Carrera, Carrera 4, Turbo, GT3, and GT2, correct tyre fitment is essential to maintain handling balance and safety.
📊 Factory Wheel & Fitment Specifications
🔩 Core Fitment Data (996 – All Models)
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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: 130 Nm (96 ft-lb)
📌 Earlier Porsche models (996) use lower torque spec than modern 911
🛞 Factory Wheel Sizes & Offsets
🔹 Porsche 996 Carrera / Carrera 4
| Position | Wheel Size | Offset |
|---|---|---|
| Front | 17x7 / 18x8 | ET50–55 |
| Rear | 17x9 / 18x10 | ET50–65 |
🔹 Porsche 996 Turbo
| Position | Wheel Size | Offset |
|---|---|---|
| Front | 18x8 | ET50 |
| Rear | 18x11 | ET45 |
🔹 Porsche 996 GT3 / GT2
| Position | Wheel Size | Offset |
|---|---|---|
| Front | 18x8.5 | ET53 |
| Rear | 18x11 | ET63 |
📌 Most 996 models use staggered setup for performance
📏 Factory Tyre Sizes
🔹 Carrera / Carrera 4
17 Inch:
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205/50R17 (Front)
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255/40R17 (Rear)
18 Inch:
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225/40R18 (Front)
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285/30R18 (Rear)
🔹 996 Turbo
-
Front: 225/40R18
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Rear: 295/30R18
🔹 996 GT3 / GT2
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Front: 235/40R18
-
Rear: 295/30R18
⚙️ AWD vs RWD Notes
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Carrera = RWD
-
Carrera 4 / Turbo = AWD
AWD Models (IMPORTANT):
✔ Match tyre brand
✔ Match tread pattern
✔ Maintain rolling diameter
❌ Incorrect tyres may damage AWD system
⚙️ Recommended Tyres (Australia)
🔥 Best Daily Performance
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Michelin Pilot Sport 4
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Continental PremiumContact / SportContact
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Pirelli P Zero
✔ Excellent for daily driving
✔ Good wet grip
🏁 Performance Driving
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Michelin Pilot Sport 4S
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Continental SportContact 7
✔ Best grip upgrade for 996
🏁 Track (GT3 / GT2)
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Michelin Pilot Sport Cup 2
✔ Maximum performance
⚙️ Aftermarket Upgrade Guide
✔ OEM+ Setup (Recommended)
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Stay within factory sizing
✔ Best balance
✔ 18” Upgrade (Popular)
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225/40R18 + 285/30R18
✔ Improved handling
✔ Better tyre availability
✔ Comfort Setup
-
Touring-performance tyres
✔ Reduced noise
✔ Better ride quality
⚠️ Critical Fitment Notes
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996 is sensitive to tyre pressure & alignment
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Staggered setup = NO front-to-rear rotation
✔ AWD models require perfect tyre matching
❌ Incorrect tyres may:
-
Affect handling
-
Increase wear
-
Damage AWD system
🛠️ Torque & Installation Guide
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Torque Spec: 130 Nm (lower than modern Porsche)
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Re-torque after 50–100 km
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Always use torque wrench
🏪 Why Choose Autosport Tyreworld?
At Autosport Tyreworld, we specialise in both modern and classic Porsche models:
✔ 996 fitment expertise
✔ Premium tyre brands available
✔ AWD & RWD setup knowledge
✔ Precision balancing & 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