Search new + high quality used 255 55 R20 Michelin tires online, starting at: $47.99. 255 55R20 Michelin models in stock: 10. All season: 31. Winter: 2. Summer: 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!