Audi Q8 Overview

The Audi Q8 is Audi’s flagship luxury SUV, combining performance, quattro AWD capability, and aggressive styling. Built on the MLB Evo platform, the Q8 shares DNA with the Q7, Porsche Cayenne, and Lamborghini Urus — meaning it supports large diameter wheels and staggered performance setups.

Stud Pattern (PCD)

• PCD: 5x112

• Stud Thread Size: M14 x 1.5

• Seat Type: Ball Seat (OEM)

Centre Bore

• Centre Bore: 66.5 mm

Wheel Nut Torque

• Recommended Torque: 160 Nm

Always torque wheels using a calibrated torque wrench and re-check after 50–100 km.

Factory Wheel & Tyre Sizes

Standard Q8 (45 TDI / 50 TDI / 55 TFSI)

19 Inch (Base)

• Wheel: 8.5J x 19

• Tyres: 265/55R19

20 Inch

• Wheel: 9.0J x 20

• Tyres: 275/50R20

21 Inch

• Wheel: 10.0J x 21

• Tyres: 285/45R21

22 Inch (S line)

• Wheel: 10.0J x 22

• Tyres: 285/40R22

Audi SQ8 Performance Setup

21 Inch (Standard)

• Wheel: 10.0J x 21

• Tyres: 285/45R21

22 Inch

• Wheel: 10.0J x 22

• Tyres: 285/40R22

23 Inch (Factory Optional – Staggered)

• Front Wheel: 10.5J x 23

• Rear Wheel: 11.0J x 23

• Front Tyres: 285/35R23

• Rear Tyres: 325/30R23

Recommended Tyre Options (Australia)

At Autosport Tyreworld, we recommend premium tyres suited to the Q8’s weight and performance:

Comfort & Luxury

• Continental PremiumContact 6 / 7

• Michelin Primacy SUV+

Performance

• Michelin Pilot Sport 4 SUV

• Continental SportContact 6 / 7

SUV Touring / All-Round

• Pirelli Scorpion Verde

• Goodyear Eagle F1 Asymmetric SUV

Wheel Upgrade Notes

• Maximum OEM fitment: 23 inch

• Aftermarket fitment range: 20"–24" (with correct load rating)

• Always ensure:

  • Correct load index (very important for Q8 weight)

  • Correct offset (ET typically 20–30 range)

  • Hub-centric fitment (66.5 mm)

Important Fitment Notes

• Staggered setups are common on SQ8 and performance builds

• Maintain rolling diameter within ±2%

• Ensure tyres meet or exceed OEM load rating (XL required)

• Run-flat tyres may be fitted from factory depending on variant

Why Choose Autosport Tyreworld

We specialise in premium European vehicles like Audi and offer:

• Accurate fitment advice

• Genuine premium tyre brands

• Wheel and tyre packages

• Professional fitting & balancing

• Hunter wheel alignment systems

Visit Autosport Tyreworld Adelaide

📍 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