Search new + high quality used 245 45 R18 Michelin tires online, starting at: $64.91. 245 45R18 Michelin models in stock: 16. All season: 16. Winter: 10. Summer: 7. Run flat: 7. 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!