Search new + high quality used tires online. Size 255 40 R18 starting at: $63.1. Tires in stock: 77. Available brands: 14 with 39 models. All season: 39. Winter: 14. Summer: 24. Run flat: 18. 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!