Search new + high quality used tires online. Size 285 40 R20 starting at: $72.29. Tires in stock: 49. Available brands: 8 with 24 models. All season: 27. Winter: 7. Summer: 15. Run flat: 7. 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!