Search new + high quality used 225 40 ZR18 Falken tires online, starting at: $59.68. 225 40ZR18 Falken models in stock: 4. All season: 3. Summer: 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!