Search new + high quality used tires online. Size 255 40 R18 starting at: $78.65. Tires in stock: 37. Available brands: 14 with 27 models. All season: 18. Winter: 9. 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!