Search new + high quality used tires online. Size 245 45 ZR18 starting at: $49.97. Tires in stock: 85. Available brands: 33 with 46 models. All season: 78. 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!