Search new + high quality used tires online. Size 285 45 R20 starting at: $58.48. Tires in stock: 33. Available brands: 9 with 13 models. All season: 10. Winter: 17. Summer: 6.. 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!