Search new + high quality used 245 45 R20 Michelin tires online, starting at: $71.6. 245 45R20 Michelin models in stock: 10. All season: 11. Winter: 2. Summer: 8. Run flat: 6. 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!