🏁 Porsche 911 R (991 R) Tyre Size, Wheel Specs, PCD, Centre Bore & Torque Guide
🔧 Vehicle Overview
The Porsche 911 R (991) is a highly sought-after, limited-production model combining GT3 RS engineering with a manual gearbox and lightweight construction. Designed for pure driving engagement, the 911 R uses GT3 RS chassis and tyre setup, making tyre selection critical for maintaining its precision handling.
Need tyres for your Porsche 911 R 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 R
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 |
|---|---|---|---|
| 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 |
| Wheel alignment | Recommended after tyre or wheel changes | Wheel alignment Adelaide | Call Magill |
📊 Factory Wheel & Fitment Specifications
🔩 Core Fitment Data (911 R – 991)
-
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 (5-stud): 160 Nm
⚠️ Most 911 R models are equipped with centre-lock wheels
→ Requires special Porsche torque tool
🛞 Factory Wheel Sizes & Offsets
🔹 Porsche 911 R (991)
| Position | Wheel Size | Offset |
|---|---|---|
| Front | 20x9 | ET55 |
| Rear | 20x12 | ET47 |
📌 Same wheel setup as 991 GT3 RS
📏 Factory Tyre Sizes
🔹 OEM Tyre Setup
-
Front: 245/35R20
-
Rear: 305/30R20
📌 Designed for maximum grip and driver feedback
⚙️ Recommended Tyres (Australia)
🏁 Track-Focused (Factory Style)
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Michelin Pilot Sport Cup 2 (N-rated)
✔ Maximum dry grip
✔ Original equipment style
🔥 Street + Performance (Recommended)
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Michelin Pilot Sport 4S
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Continental SportContact 7
✔ Better wet grip
✔ More usable on road
🔇 Comfort Option (Limited Use)
-
Continental MaxContact MC7 (rare for 911 R owners)
✔ Lower noise
✔ Improved ride comfort
⚙️ Aftermarket Upgrade Guide
✔ OEM+ Setup (Recommended)
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245/35R20 + 305/30R20
✔ Maintains factory handling
✔ Street Setup
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PS4S / SportContact 7
✔ Best for road driving
✔ Track Setup
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Cup 2
✔ Maximum performance
⚠️ Critical Fitment Notes
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911 R is rear-wheel drive (RWD)
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Staggered setup = NO front-to-rear rotation
✔ Track tyres require:
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Warm-up before aggressive driving
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Proper tyre pressure management
❌ Incorrect tyres will:
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Reduce handling precision
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Affect braking performance
✔ Always recommend N-rated tyres
🛠️ Torque & Installation Guide
🔧 5-Stud Wheels
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Torque: 160 Nm
🔧 Centre-Lock Wheels (Most 911 R Models)
-
Requires special Porsche tool
-
Torque significantly higher (manufacturer-specific)
✔ Re-torque after 50–100 km
🏪 Why Choose Autosport Tyreworld?
At Autosport Tyreworld, we specialise in rare and performance Porsche models:
✔ GT3 RS & 911 R tyre expertise
✔ Porsche-approved tyre options
✔ 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
Need tyres or wheel alignment for your Porsche 911 R 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