Renting a car in Greece is highly worth it if you plan to explore the mainland or larger islands like Crete, Naxos, or Rhodes. While you absolutely do not need a car in central Athens (where traffic is chaotic and the metro is excellent), having your own wheels is the only way to reach remote beaches, mountain villages, and hidden archaeological sites at your own pace. In 2026, car rental rates remain relatively affordable, especially if you can drive a manual transmission. It is a peer-to-peer best practice to book a small car to navigate the notoriously narrow, winding streets of traditional Greek villages. For island hopping, consider renting a car locally on each island rather than taking one on a ferry, which can be expensive and logistically complex. Having a car transforms your trip from a standard tourist itinerary into a true Mediterranean road trip adventure.