Search new + high quality used 235 45 R18 Bridgestone tires online, starting at: $47.99. 235 45R18 Bridgestone models in stock: 17. All season: 47. Winter: 15. Summer: 1. Run flat: 6. 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!