Michelin 255/40R20 101Y XL PILOT SPORT 4 [ACU] AO

This is the Michelin Pilot Sport 4 Acoustic AO, a performance summer road tyre in an Audi-approved specification.

• foam to reduce tyre cavity noise inside the cabin.
• AO: Audi Original approval, not Tesla-specific.
• 101 load index: 825 kg per tyre under specified conditions.
• Y speed rating: up to 300 km/h.
• XL: Extra Load construction.
• Runflat: no.

For Michelin product code 396990, the confirmed EU label is:

• Fuel efficiency / rolling resistance: C.
• Wet grip: A, the highest label grade.
• External rolling noise: 71 dB, class B.