Search new + high quality used 245 40 R18 Bridgestone tires online, starting at: $64.43. 245 40R18 Bridgestone models in stock: 16. All season: 12. Winter: 13. Summer: 6. Run flat: 16. 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!