Search new + high quality used tires online. Size 275 45 R20 starting at: $47.99. Tires in stock: 451. Available brands: 54 with 129 models. All season: 289. Winter: 114. Summer: 48. Run flat: 95. 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!