18×9.5 Wheels on a 2006 Subaru Impreza WRX STi

Evidence summary

• Documented builds: 4
• Observed range in our build database: ET22 to ET28
• Most frequently documented tire: 255/35R18 (2 builds)
• Axle context: In our build database: 4 as part of a staggered setup; 3 front-only for this size; 1 with this size on both axles. Rear-only or front-only counts are not treated as square.

Documented offsets

• ET22 — 3 builds
• ET28 — 2 builds (evidence only — no dedicated page)

Evidence pages for documented offsets

• ET223 builds

Counts include only builds where offset is actually recorded. Missing offsets are not treated as ET0. Linked offsets meet the size+offset evidence threshold.

Tire sizes used with 18×9.5

• 255/35R18 — 2 builds
• 225/40R18 — 1 build
• 235/40R18 — 1 build

Most frequently documented is not a tire recommendation.

Suspension, rubbing, and fender context

Suspension recorded on these builds

• Not recorded — 4

Reported rubbing

• 0 report no rubbing
• 0 report rubbing
• 4 do not record rubbing

Fender modifications

• Rolled: 0
• Pulled: 0
• No trimming recorded: 0
• Other trimming label: 0
• Not recorded: 4

Unknown remains unknown. These counts are descriptive evidence only — not probabilities or clearance guarantees.

Compare your own offset

Use the fitment calculator with this vehicle and 18×9.5 as the proposed wheel to see poke and inner-clearance differences vs OEM.

Open fitment calculator

Related specs

• 2006 Subaru Impreza WRX STi OEM wheel fitment
• Wheel offset
• Bolt pattern
• Hub bore
• Lug nuts