Search new + high quality used 255 55 R20 Continental tires online, starting at: $51.08. 255 55R20 Continental models in stock: 3. All season: 44. Winter: 1. Run flat: 1. 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!