Summer driving in Austria is an absolute pleasure, with beautifully paved roads and extremely well kempt highways. It is, however, recommended that in the winter (March-December) you choose your vehicle very wisely, since snow can be expected on all roads. Winter tires and often snow chains are advised. In order to drive in Austria, you will need to obtain an International Driver’s Permit (IDP), which you will be required to have with you along with your license whenever you drive. When driving in Austria, be sure to obey the speed limits and, of course, never drive under the influence of alcohol.
One of the best methods of traveling around Vienna is to take a private transport from the airport to your hotel, and then rent a car to tour around the city. You will be able to drop off your rental car at the airport when your vacation is over. There are many rental agencies to choose from, and you can base your rental choices on your needs (how many passengers and bags, type of vehicle, etc.).
Before you rent a car, you can use a site like "Rentalcars" to compare the prices and make sure you are getting the best deal possible.
In order to be able to drive freely in Austria, it is required that you purchase a Vignette (toll sticker), which can be purchased at multiple locations, such as post offices and some gas stations. Be careful, since not having the sticker properly affixed to your vehicle can result in high fines.