Search new + high quality used tires online. Size 305 30 R20 starting at: $67.42. Tires in stock: 64. Available brands: 8 with 29 models. All season: 4. Winter: 6. Summer: 54. Run flat: 20. 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!