Search new + high quality used 225 45 R18 Bridgestone tires online, starting at: $56.03. 225 45R18 Bridgestone models in stock: 20. All season: 93. Winter: 16. Summer: 7. Run flat: 55. 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!