The best gas for your Porsche Macan is premium unleaded gasoline (91 octane or higher). It is important to use the right type of fuel for your car because it can help to improve performance and fuel efficiency. To make sure you are using the right fuel, check your owner's manual or contact your local Porsche dealership. Additionally, using a high-quality gasoline can help to keep your car running smoothly and reduce the risk of engine damage.