Search new + high quality used tires online. Size 225 40 ZR18 starting at: $55.11. Tires in stock: 126. Available brands: 41 with 61 models. All season: 82. Summer: 44. Run flat: 3. 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!