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For 255/45R18 tires, the best overall value is the Continental ExtremeContact DWS06+ at $210, which works out to about $4.2 per 1,000 miles across roughly 50,000 miles of tread life — the lowest true cost-per-mile among 1 255/45R18 options in stock. The cheapest 255/45R18 tire is the Continental ExtremeContact DWS06+ at $210, while the longest-lasting is the Continental ExtremeContact DWS06+ rated near 50,000 miles. Available 255/45R18 brands include Continental. The 255/45R18 is a size with 255mm width, a 45% sidewall ratio, a 18-inch wheel fit, and roughly 27.0-inch overall diameter. Confirm the size on your door jamb before ordering. Every 255/45R18 tire at TuahFix ships free in two days with Amazon-verified fulfillment, easy returns, 22 million-plus reviews, and optional South Florida mobile installation.
255/45R18 tires ranked by cost-per-mile
| Tire | Price | Tread Life | $/1k mi |
|---|---|---|---|
| Continental ExtremeContact DWS06+ | $210 | 50,000 mi | $4.2 |
All 255/45R18 tires in stock
What does 255/45R18 mean?
255 = tread width in millimeters. 45 = aspect ratio (sidewall height is 45% of width ≈ 4.5″). R18 = fits a 18-inch wheel. Overall diameter ≈ 27.0″.