Search new + high quality used tires online. Size 255 40 R20 starting at: $52.66. Tires in stock: 257. Available brands: 35 with 82 models. All season: 191. Winter: 29. Summer: 37. Run flat: 8. 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!