18×9.5 ET40 Wheels on a 2013 Subaru BRZ

Evidence summary

• Documented builds using 18×9.5: 69
• Documented builds specifically using 18×9.5 ET40: 14
• Axle context: 0 square · 14 staggered · 8 front-only · 6 rear-only · 0 both axles

14 documented 2013 Subaru BRZ builds in our database use 18×9.5 ET40 wheels. This is observed use — not a fit confirmation.

Compared with OEM

Aftermarket: 18×9.5 ET40

Compared with the OEM 18×7.5 ET48 configuration.

Width: +2 in

Outer edge 33.4 mm farther toward fender (more outward poke)

Inner edge 17.4 mm closer to suspension (less inner clearance)

Geometry is deterministic vs the named OEM baseline. It does not mean the setup fits or will clear.

Tires documented with 18×9.5 ET40

• 255/35R18 — 6 builds
• 245/35R18 — 3 builds
• 265/35R18 — 2 builds
• 235/40R18 — 1 build

• 255/35R18: -0.2% overall diameter vs selected OEM tire — descriptive only, not a clearance rating.
• 245/35R18: -1.3% overall diameter vs selected OEM tire — descriptive only, not a clearance rating.
• 265/35R18: +0.9% overall diameter vs selected OEM tire — descriptive only, not a clearance rating.
• 235/40R18: +1.3% overall diameter vs selected OEM tire — descriptive only, not a clearance rating.

Documented tire pairings are not tire recommendations.

Suspension, rubbing, fender, and spacers

Suspension on documented builds

• Not recorded — 14

Reported rubbing

• Rubbing reported: 0
• No rubbing reported: 0
• Not recorded: 14

Fender modifications

• Rolled: 0
• Pulled: 0
• No trimming recorded: 0
• Other trimming label: 0
• Not recorded: 14

Spacer data was not recorded on these exact builds.

Counts are descriptive evidence only — not probabilities or clearance guarantees.

Nearby documented setups

Similar evidence — not the same setup.

• 18×9.5 ET3814 builds · nearby offset
• 18×9.5 ET423 builds · nearby offset
• 18×9.5 ET4513 builds · nearby offset
• 18×9.5 ET354 builds · nearby offset
• 18×9.5 ET304 builds · nearby offset
• 18×9 ET354 builds · similar size
• 18×9 ET454 builds · similar size
• 18×10 ET384 builds · similar size

Compare this setup with your OEM wheels

Prefills 18×9.5 ET40 on this vehicle in the fitment calculator.

Open fitment calculator

Related specs

• Bolt pattern: 5x100
• Center bore: 56.1 mm
• Thread: M12 x 1.25
• All documented 18×9.5 offsets for this year
• 2013 Subaru BRZ OEM wheel fitment

Size and offset evidence does not replace bolt pattern, hub bore, or thread requirements.