20×8.5 ET38 Wheels on a 2013 Kia Optima

3 documented builds specifically using ET38

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 20×8.5: 18
Documented builds specifically using 20×8.5 ET38: 3
Axle context: 0 square · 3 staggered · 3 front-only · 0 rear-only · 0 both axles

3 documented 2013 Kia Optima builds in our database use 20×8.5 ET38 wheels. This is observed use — not a fit confirmation.

Compared with OEM

Aftermarket: 20×8.5 ET38

Compared with the OEM 17×6.5 ET44 configuration.

Width: +2 in

Outer edge 31.4 mm farther toward fender (more outward poke)

Inner edge 19.4 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 20×8.5 ET38

225/35R20 — 1 build
235/35R20 — 1 build
245/35R20 — 1 build

225/35R20: -0.4% overall diameter vs selected OEM tire — descriptive only, not a clearance rating.
235/35R20: +0.6% overall diameter vs selected OEM tire — descriptive only, not a clearance rating.
245/35R20: +1.7% overall diameter vs selected OEM tire — descriptive only, not a clearance rating.

Documented tire pairings are not tire recommendations.