Search new + high quality used 245 45 ZR20 Kumho tires online, starting at: $71.2. 245 45ZR20 Kumho models in stock: 2. All season: 6. Summer: 1.. 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!