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.
Need tyres for your Audi A8 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 Audi A8
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 |
|---|---|---|---|
| 235/55R18 | Performance, comfort and upgrade options | View 235/55R18 tyre options | Check fitted availability |
| 255/45R19 | Performance, comfort and upgrade options | View 255/45R19 tyre options | Check fitted availability |
| 265/40R20 | 4WD, touring, AT/HT tyre options | View 265/40R20 tyre options | Check fitted availability |
| 275/35R21 | 4WD, touring, AT/HT tyre options | View 275/35R21 tyre options | Check fitted availability |
| 285/35R21 | 4WD, touring, AT/HT tyre options | View 285/35R21 tyre options | Check fitted availability |
| 265/35R22 | 4WD, touring, AT/HT tyre options | View 265/35R22 tyre options | Check fitted availability |
| Wheel alignment | Recommended after tyre or wheel changes | Wheel alignment Adelaide | Call Magill |
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
Visit Our Stores
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
Need tyres or wheel alignment for your Audi A8 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