Search new + high quality used 245 50 R18 Continental tires online, starting at: $84.37. 245 50R18 Continental models in stock: 6. All season: 13. Winter: 2. Run flat: 4. 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!