18×10.5 ET30
Documented Modified1 build
Rear: 18×9.5 ET40
Tire: 295/30R18
- Suspension
- Not recorded
- Rubbing
- Not reported
- Fender
- Not recorded
18×9.5 ET40 Wheels on a 2018 Honda Civic
9 documented builds specifically using ET40
Show evidence for this exact wheel size and offset on my vehicle/year. Exact size+offset builds are observational evidence only — not a universal fit, not the “correct” offset, and not a no-rub guarantee.
Evidence summary
- Documented builds using 18×9.5: 37
- Documented builds specifically using 18×9.5 ET40: 9
- Axle context: 8 square · 1 staggered · 8 front-only · 1 rear-only · 0 both axles
9 documented 2018 Honda Civic 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 18×8 ET50 configuration.
Width: +1.5 in
Outer edge 29 mm farther toward fender (more outward poke)
Inner edge 9 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 — 4 builds
- 235/40R18 — 1 build
- 245/40R18 — 1 build
- 255/35R18: -1.5% overall diameter vs selected OEM tire — descriptive only, not a clearance rating.
- 235/40R18: +0.0% overall diameter vs selected OEM tire — descriptive only, not a clearance rating.
- 245/40R18: +1.2% 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 — 8
- Lowered Adj Coil Overs — 1
Reported rubbing
- Rubbing reported: 0
- No rubbing reported: 0
- Not recorded: 9
Fender modifications
- Rolled: 0
- Pulled: 0
- No trimming recorded: 0
- Other trimming label: 0
- Not recorded: 9
Spacer data was not recorded on these exact builds.
Counts are descriptive evidence only — not probabilities or clearance guarantees.
Exact documented builds
Showing 9 of 9 builds matching 18×9.5 ET40.
18×9.5 ET40
Documented Modified1 build
Tire: 255/35R18
- Suspension
- Lowered Adj Coil Overs
- Rubbing
- Not reported
- Fender
- Not recorded
18×9.5 ET40
Documented Modified1 build
- Suspension
- Not recorded
- Rubbing
- Not reported
- Fender
- Not recorded
18×9.5 ET40
Documented Modified1 build
Tire: 255/35R18
- Suspension
- Not recorded
- Rubbing
- Not reported
- Fender
- Not recorded
18×9.5 ET40
Documented Modified1 build
Tire: 235/40R18
- Suspension
- Not recorded
- Rubbing
- Not reported
- Fender
- Not recorded
18×9.5 ET40
Documented Modified1 build
Tire: 255/35R18
- Suspension
- Not recorded
- Rubbing
- Not reported
- Fender
- Not recorded
18×9.5 ET40
Documented Modified1 build
- Suspension
- Not recorded
- Rubbing
- Not reported
- Fender
- Not recorded
18×9.5 ET40
Documented Modified1 build
Tire: 245/40R18
- Suspension
- Not recorded
- Rubbing
- Not reported
- Fender
- Not recorded
18×9.5 ET40
Documented Modified1 build
- Suspension
- Not recorded
- Rubbing
- Not reported
- Fender
- Not recorded
Nearby documented setups
Similar evidence — not the same setup.
Compare this setup with your OEM wheels
Prefills 18×9.5 ET40 on this vehicle in the fitment calculator.
Related specs
- Bolt pattern: 5x114.3
- Center bore: 64.1 mm
- Thread: M12 x 1.5
- All documented 18×9.5 offsets for this year
- 2018 Honda Civic OEM wheel fitment
Size and offset evidence does not replace bolt pattern, hub bore, or thread requirements.