Search new + high quality used tires online. Size 275 45 R20 starting at: $43.31. Tires in stock: 411. Available brands: 41 with 103 models. All season: 311. Winter: 58. Summer: 42. Run flat: 77. 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!