Search new + high quality used tires online. Size 235 45 ZR18 starting at: $39.36. Tires in stock: 188. Available brands: 46 with 63 models. All season: 154. Summer: 34.. 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!