Search new + high quality used 235 50 R18 Falken tires online, starting at: $54.43. 235 50R18 Falken models in stock: 11. All season: 33. Winter: 5. 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!