Search new + high quality used tires online. Size 255 45 ZR20 starting at: $52.38. Tires in stock: 464. Available brands: 54 with 84 models. All season: 433. Summer: 31.. 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!