Search new + high quality used tires online. Size 255 40 R18 starting at: $76.12. Tires in stock: 41. Available brands: 16 with 29 models. All season: 23. Winter: 8. Summer: 10. Run flat: 5. 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!