Search new + high quality used 235 45 R18 Bridgestone tires online, starting at: $52.9. 235 45R18 Bridgestone models in stock: 23. All season: 146. Winter: 23. Summer: 5. Run flat: 10. 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!