Search new + high quality used 235 45 ZR18 Michelin tires online, starting at: $50.97. 235 45ZR18 Michelin models in stock: 3. All season: 20. 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!