Search new + high quality used tires online. Size 275 45 R20 starting at: $43.31. Tires in stock: 485. Available brands: 49 with 122 models. All season: 330. Winter: 110. Summer: 45. Run flat: 121. 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!