Search new + high quality used tires online. Size 275 45 R20 starting at: $42.58. Tires in stock: 354. Available brands: 44 with 101 models. All season: 230. Winter: 98. Summer: 26. Run flat: 67. 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!