Search new + high quality used tires online. Size 255 45 ZR20 starting at: $34.99. Tires in stock: 121. Available brands: 26 with 41 models. All season: 96. Summer: 25.. 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!