Search new + high quality used 245 45 R18 Bridgestone tires online, starting at: $75.59. 245 45R18 Bridgestone models in stock: 17. All season: 19. Winter: 21. Summer: 9. Run flat: 8. 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!