Search new + high quality used tires online. Size 255 45 R20 starting at: $34.99. Tires in stock: 596. Available brands: 48 with 169 models. All season: 415. Winter: 48. Summer: 133. Run flat: 39. 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!