The 2019 Audi S4 does not use lug nuts. It uses wheel bolts instead. The standard specification is a 5×112 bolt pattern with M14×1.5 thread and a 60-degree conical seat.
Wheel fasteners on the 2019 Audi S4
In most markets, the S4's wheels are secured with bolts that screw into threaded holes in the hub, not with lug nuts that thread onto studs. This configuration affects how you source replacements or aftermarket wheels.
Factory fastener specifications
These are the typical factory specs for the 2019 S4's wheel hardware. Always verify with your vehicle’s VIN, owner's manual, or dealer for your exact build.
- Bolt pattern: 5 on 112 mm (5×112)
- Thread size: M14 × 1.5
- Fastener type: wheel bolts (not lug nuts)
- Seat type: 60-degree conical seat
These specs cover OEM hardware. If you install aftermarket wheels that require lug nuts, ensure they are compatible with 5×112, M14×1.5, and the 60-degree seat, or use Audi-approved adapters or hardware.
Important notes for maintenance
Always use the correct torque, seating, and alignment procedures when removing or installing wheels. If you're unsure, consult an Audi dealer or a qualified technician.
Summary
Bottom line: The 2019 Audi S4 uses wheel bolts, not lug nuts. Typical specs are a 5×112 bolt pattern, M14×1.5 thread, and a 60-degree conical seat. For aftermarket wheels requiring lug nuts, confirm compatibility with these fundamentals or seek professional assistance.