Whether it is "worth it" to have a car in Europe depends entirely on your specific itinerary. If you are visiting major metropolitan hubs like London, Paris, Rome, or Berlin, a car is a significant liability due to extreme traffic, very expensive parking (often €30–€50 per night), and "ZTL" (Restricted Traffic Zones) that result in heavy fines for tourists. In these cities, the high-speed rail and local metro systems are much faster and cheaper. However, a car is highly worth it if you plan to explore rural regions like the Cotswolds, Tuscany, the French Riviera, or the Bavarian Alps. These "slow travel" areas are poorly served by trains, and a car gives you the freedom to stop at remote vineyards, small villages, and scenic overlooks that tour buses bypass. For a 2026 trip, a "hybrid" approach is often best: use the excellent rail network to move between major cities, and rent a car only for the specific days you want to explore the countryside. This avoids the stress of city driving while maximizing your adventure in the hard-to-reach corners of the continent.