Search new + high quality used tires online. Size 225 45 ZR18 starting at: $47.99. Tires in stock: 127. Available brands: 49 with 63 models. All season: 109. Winter: 1. Summer: 17.. 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!