Search new + high quality used 305 40 R20 Hankook tires online, starting at: $275.26. 305 40R20 Hankook models in stock: 1. Summer: 1. Run flat: 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!