Search new + high quality used tires online. 20 Inch Tires, starting at: $24.69. Tires in stock: 20705 tires. Available brands: 214 with 1656 models in 153 sizes. All season: 16176. Winter: 1542. Summer: 2993. Run flat: 936. 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!