About 175/40R18 Tires

The 175/40R18 is a relatively uncommon and specialized tire size most often found on certain compact and subcompact vehicles, as well as some performance-oriented small cars and modified vehicles. It may appear on select trims of small European and Asian market cars where a low-profile, wide-rim fitment is specified. Always verify your vehicle's exact tire size requirements using the door jamb sticker or owner's manual before purchasing.

For budget-conscious buyers, brands like Runway or Kenda occasionally offer this size at lower price points, though availability may be inconsistent. Mid-range shoppers may find options from Falken or Kumho, which offer a reasonable balance of performance and durability for this specialized fitment. At the premium level, brands such as Michelin or Continental may produce or special-order this size, delivering superior handling and longevity for drivers who prioritize performance.

Treddur is currently tracking 8 listings for 175/40R18 tires. Prices range from $91.08 to $364.99 depending on brand and retailer.

Due to the limited availability of this niche size, it is advisable to purchase well in advance of seasonal changeovers rather than waiting for last-minute deals. Stock can be scarce, so monitoring inventory in spring and fall transition periods is recommended.

Due to its niche and low-demand nature, the 175/40R18 size tends to carry a price premium over more common sizes, with limited competition among retailers keeping prices relatively stable and seldom deeply discounted.