Search new + high quality used 225 40 R18 Bridgestone tires online, starting at: $64.9. 225 40R18 Bridgestone models in stock: 15. All season: 29. Winter: 3. Summer: 20. Run flat: 24. 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!