Search new + high quality used 245 40 R18 Bridgestone tires online, starting at: $49.34. 245 40R18 Bridgestone models in stock: 15. All season: 27. Winter: 20. Summer: 3. Run flat: 13. 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!