Search new + high quality used tires online. Size 255 40 R18 starting at: $59.78. Tires in stock: 96. Available brands: 20 with 56 models. All season: 40. Winter: 20. Summer: 36. Run flat: 22. Selling all used tires at discount costs. All used tires go through 2 layers of inspection on specialized equipment. One year warranty + free shipping on all inventory ;) Happy shopping!