Search new + high quality used 245 40 R18 Michelin tires online, starting at: $49.99. 245 40R18 Michelin models in stock: 12. All season: 7. Winter: 8. Summer: 6. Run flat: 5. 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!