Search new + high quality used tires online. Size 255 40 R18 starting at: $55.99. Tires in stock: 98. Available brands: 15 with 47 models. All season: 52. Winter: 15. Summer: 31. Run flat: 20. 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!