Search new + high quality used 225 40 R18 Falken tires online, starting at: $51.89. 225 40R18 Falken models in stock: 11. All season: 25. Winter: 11. Summer: 6. 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!