
18×8.5 ET45
Documented on a 2016 Audi SQ5 build — observed custom fitment, not a universal fit guarantee.
- Tires
- 255/55R18
Compared with the 19×8 ET39 OEM configuration. Calculated geometry only — not fit confirmation.
- Outer edge 0.3 mm farther toward fender (more outward poke)
- Inner edge 12.3 mm closer to suspension (less inner clearance)
- Width +0.5" vs OEM
- Diameter -1" vs OEM













