Search new + high quality used 245 50 R18 Bridgestone tires online, starting at: $72.85. 245 50R18 Bridgestone models in stock: 8. All season: 7. Winter: 5. Summer: 5. Run flat: 2. 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!