Audi S8 Overview
The Audi S8 is the flagship high-performance luxury sedan from Audi, combining quattro AWD with a twin-turbo V8. Across the D4 (2013–2018) and D5 (2020–current) generations, the S8 features large diameter wheels, staggered performance tyre options, and precise fitment requirements.
Audi S8 Factory Tyre Sizes
Audi S8 D4 (2013–2018)
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265/40R20 (Standard)
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255/40R20 (Alternative market spec)
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275/35R21 (Optional upgrade)
Audi S8 D5 (2020–Present)
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265/40R20 (Base)
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265/35R21 (Factory upgrade)
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275/35R21 (Performance option)
Audi S8 Factory Wheel Specifications
D4 S8 Wheel Specs
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Rim Size: 20x9.0J (standard)
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Optional: 21x9.0J
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PCD: 5x112
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Offset (ET): +37 to +40
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Centre Bore: 66.6 mm
D5 S8 Wheel Specs
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Rim Size: 20x9.0J / 21x9.5J
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PCD: 5x112
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Offset (ET): +35 to +42
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Centre Bore: 66.6 mm
Centre Bore Information
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Centre Bore: 66.6 mm
Audi uses a hub-centric design, meaning correct centre bore is critical to avoid vibration. Always use hub-centric rings if fitting aftermarket wheels.
Wheel Nut / Bolt Torque Settings
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Torque Specification: 120 Nm
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Thread Type: M14x1.5 wheel bolts
Proper torque is essential for safety and to prevent brake rotor warping or wheel damage.
Recommended Tyre Options for Audi S8
Comfort & Daily Driving
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Continental PremiumContact 7
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Michelin Primacy 4+
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Bridgestone Turanza T005
Performance & Sport
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Michelin Pilot Sport 5
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Continental MaxContact MC7
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Pirelli P Zero (AO spec recommended)
High Performance / Track Style
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Michelin Pilot Sport 4S
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Continental SportContact 7
Fitment Notes & Expert Advice
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Always maintain rolling diameter within ±2% when upgrading wheel sizes
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21-inch setups improve handling but reduce ride comfort
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Ensure load rating meets OEM specification (especially important for S8 weight)
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Audi S8 models may be equipped with adaptive air suspension—tyre choice affects ride quality significantly
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Run-flat tyres may be fitted from factory depending on market
Common Upgrade Fitments (Australia)
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21x9.5 +35 with 275/35R21 (perfect flush fitment)
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22x10.0 +30 with 285/30R22 (aggressive setup, requires care)
Why Choose Autosport Tyreworld
At Autosport Tyreworld, we supply only genuine, high-quality tyres suited for European performance vehicles like the Audi S8. Our team ensures correct load ratings, speed ratings, and fitment precision.
We also provide:
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Professional fitting & balancing
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Wheel alignment using precision equipment
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Expert advice tailored to Adelaide road conditions
Visit Our Adelaide Locations
Magill
647 Magill Road, Magill SA 5072
PH: 0452 641 023
Wingfield
411 Grand Junction Road, Wingfield SA 5013
PH: 0433 645 411
Clarence Gardens
911 South Road, Clarence Gardens SA 5039
PH: 0420 299 911