Search new + high quality used tires online. Size 275 45 R20 starting at: $47.99. Tires in stock: 177. Available brands: 37 with 91 models. All season: 108. Winter: 43. Summer: 26. Run flat: 24. 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!