Search new + high quality used tires online. Size 285 40 R20 starting at: $137.28. Tires in stock: 153. Available brands: 14 with 39 models. All season: 79. Winter: 7. Summer: 67. Run flat: 2. 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!