Search new + high quality used 235 55 R18 Nexen tires online, starting at: $38.15. 235 55R18 Nexen models in stock: 9. All season: 30. Winter: 7. 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!