Search new + high quality used tires online. Size 225 45 R18 starting at: $39.99. Tires in stock: 720. Available brands: 100 with 242 models. All season: 563. Winter: 81. Summer: 76. Run flat: 99. 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!