Search new + high quality used 255 40 R20 Hankook tires online, starting at: $63.9. 255 40R20 Hankook models in stock: 6. All season: 21. Winter: 1. Summer: 2. 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!