Search new + high quality used tires online. Size 255 55 ZR20 starting at: $44.73. Tires in stock: 38. Available brands: 11 with 11 models. All season: 30. Summer: 8.. 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!