Search new + high quality used tires online. Size 285 45 R20 starting at: $62.85. Tires in stock: 45. Available brands: 8 with 18 models. All season: 27. Winter: 5. Summer: 13. Run flat: 10. 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!