Search new + high quality used tires online. 20 Inch Tires, starting at: $27.09. Tires in stock: 10178 tires. Available brands: 195 with 1330 models in 139 sizes. All season: 7781. Winter: 920. Summer: 1383. Run flat: 480. 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!