Search new + high quality used tires online. Size 255 45 ZR18 starting at: $47.99. Tires in stock: 20. Available brands: 10 with 15 models. All season: 13. 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!