We are coming to El Calafate in November for 3 days. We plan to go to El Chalten for 1 night. So we are renting a car to give us the most flexibility. Most of the cars listed are manual transmission. Anyone know of a company offering automatic transmission? Also do we need a truck/SUV or is a small car ok? I've read that some of the roads are not paved. Any thoughts would be greatly appreciated.