That depends largely on where you’re going. Downtown Reykjavik, about 1 mile from Reykjavik Airport (RKV-Reykjavik Domestic), can be tricky to drive around. Keep things easy by renting something compact, fuel-efficient, and simple to operate. That said, Reykjavik is a popular base to explore many of the glaciers in Iceland. If your getaway is more about cruising down highways, you may want a ride with a little more comfort and extra legroom. How about a full-size car or a standard SUV?