Search new + high quality used tires online. Size 255 40 R20 starting at: $44.78. Tires in stock: 438. Available brands: 22 with 88 models. All season: 272. Winter: 15. Summer: 151. Run flat: 20. 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!