Direct Answer
For LT275/65R18 tires, the best overall value is the Mickey Thompson Baja Boss A/T LT at $280, which works out to about $5.6 per 1,000 miles across roughly 50,000 miles of tread life — the lowest true cost-per-mile among 1 LT275/65R18 options in stock. The cheapest LT275/65R18 tire is the Mickey Thompson Baja Boss A/T LT at $280, while the longest-lasting is the Mickey Thompson Baja Boss A/T LT rated near 50,000 miles. Available LT275/65R18 brands include Mickey Thompson. The LT275/65R18 is an LT light-truck size with 275mm width, a 65% sidewall ratio, a 18-inch wheel fit, and roughly 32.1-inch overall diameter. Confirm the size on your door jamb before ordering. Every LT275/65R18 tire at TuahFix ships free in two days with Amazon-verified fulfillment, easy returns, 22 million-plus reviews, and optional South Florida mobile installation.
LT275/65R18 tires ranked by cost-per-mile
| Tire | Price | Tread Life | $/1k mi |
|---|---|---|---|
| Mickey Thompson Baja Boss A/T LT | $280 | 50,000 mi | $5.6 |
All LT275/65R18 tires in stock
What does LT275/65R18 mean?
LT (Light Truck, reinforced for heavy loads). 275 = tread width in millimeters. 65 = aspect ratio (sidewall height is 65% of width ≈ 7.0″). R18 = fits a 18-inch wheel. Overall diameter ≈ 32.0″.