Search new + high quality used tires online. Size 235 45 ZR18 starting at: $34.99. Tires in stock: 161. Available brands: 45 with 59 models. All season: 123. Summer: 38.. 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!