225/40R18 tires
Size specifications, tires for sale and vehicles that use 225/40R18.
225/40R18 size specifications
A 225/40R18 tire is 225 mm wide with a 40% aspect ratio, so each sidewall is 90 mm tall. Mounted on a 18" rim the overall diameter is about 25.09 inches.
- Section width
- 225 mm (8.86 in)
- Sidewall height
- 90 mm (3.54 in)
- Rim diameter
- 18 in
- Overall diameter
- 25.09 in (637 mm)
- Circumference
- 78.81 in
- Revolutions per mile
- 804 (500 per km)
- Typical rim width range
- 6.5–8.5 in (approx.)
225/40R18 tires for sale
No 225/40R18 tires are listed right now. Sellers: list yours free.
Catalogue & OE fitments
| Product | Size | OE fitment (vehicle) | 2015 list price |
|---|---|---|---|
| Kumho Ecsta LX Platinum Grand Touring All-Season | 225/40ZR18 | 2015 Audi A3 Cabriolet 1.8T Premium | $120 |