Audi A8 Tyre Size, Wheel Specifications, Centre Bore & Torque Guide (2010–2025)
Overview
The Audi A8 represents the pinnacle of luxury and performance in Audi’s sedan lineup. Across multiple generations (D4, D5), the A8 features a range of wheel and tyre configurations depending on trim levels such as standard A8, A8 L, and performance-oriented variants. Choosing the correct tyre size, wheel fitment, and torque settings is critical for safety, ride comfort, and performance.
Factory Tyre Sizes (Audi A8)
Audi A8 D4 (2010–2017)
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235/55R18
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255/45R19
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265/40R20
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275/35R21
Audi A8 D5 (2018–2025)
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235/55R18 (Base models)
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255/45R19
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265/40R20
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285/35R21 (S line / higher trims)
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265/35R22 / 285/30R22 (Optional luxury/performance package)
Factory Wheel (Rim) Specifications
Bolt Pattern (PCD)
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5x112 (Standard across all Audi A8 models)
Wheel Width & Offset (Typical OEM Range)
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18x8.0 ET35–ET40
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19x8.5 ET35–ET42
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20x9.0 ET35–ET42
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21x9.0–9.5 ET30–ET40
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22x9.5 ET30–ET38
Centre Bore
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66.6 mm (Standard Audi hub size)
Wheel Nut / Bolt Torque Specification
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120 Nm (Newton Metres)
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Always torque using a calibrated torque wrench in a star pattern
Recommended Tyre Options (Australia Driving Conditions)
Comfort & Luxury (Best for A8 Ride Quality)
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Michelin Primacy 4+
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Continental PremiumContact C
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Pirelli Cinturato P7
Performance & Handling (S line / Dynamic Driving)
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Michelin Pilot Sport 5
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Continental MaxContact MC7
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Pirelli P Zero
EV / Low Noise Optimised (Hybrid Models)
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Hankook iON Evo
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Michelin e.Primacy
Important Fitment Notes
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Always match load rating and speed rating with OEM specifications
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Larger wheels (21–22”) reduce ride comfort but improve handling aesthetics
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Air suspension models are sensitive to incorrect rolling diameter
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Staggered setups (front/rear different sizes) available on higher trims
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Ensure correct TPMS compatibility when upgrading wheels
Why Choose Autosport Tyreworld?
At Autosport Tyreworld, we ensure:
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Genuine, correctly specified tyres
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Professional fitting & balancing
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Expert advice tailored to your Audi A8
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Competitive pricing across premium brands
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