Search new + high quality used tires online. Size 275 45 R20 starting at: $47.99. Tires in stock: 57. Available brands: 19 with 37 models. All season: 44. Winter: 7. Summer: 6. Run flat: 14. 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!