Search new + high quality used tires online. Size 255 45 ZR18 starting at: $50.02. Tires in stock: 13. Available brands: 11 with 13 models. All season: 8. Summer: 5.. 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!