Search new + high quality used tires online. Size 225 50 R18 starting at: $82.98. Tires in stock: 113. Available brands: 31 with 66 models. All season: 83. Winter: 10. Summer: 20. Run flat: 21. 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!