Search new + high quality used tires online. Size 255 40 R18 starting at: $49.06. Tires in stock: 69. Available brands: 14 with 37 models. All season: 29. Winter: 11. Summer: 29. Run flat: 9. 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!