Search new + high quality used tires online. Size 255 40 R20 starting at: $107.7. Tires in stock: 91. Available brands: 13 with 42 models. All season: 50. Winter: 11. Summer: 30. Run flat: 4. 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!