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Price review: Sep 2026

How to Save Money on Rental Cars in Europe: CDW, Fuel, and Cross-Border Rules

Avoid counter insurance gouging, manual transmission surcharges, and international cross-border drop fees.

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Written by ETH Editorial Team
Published: Aug 25, 2026 • Fact-checked by ETH Editorial Team

When Renting a Car Makes Sense

Public transit across Portugal, Spain, and Central Europe is so fast and affordable that renting a car for intercity travel between major capitals is almost always slower and more expensive once parking, tolls, and fuel are calculated.

However, renting a car is ideal for exploring rural regions: the white villages of Andalusia, the vineyard estates of the Alentejo and Douro Valley, or coastal coves in the Algarve and Mallorca.

Key Rules to Save Hundreds on Car Rentals

  1. Decline Expensive Counter CDW Insurance: Counter agents routinely pressure travelers into buying comprehensive zero-excess insurance for €20 to €35 per day. If you pay with a credit card that provides primary Collision Damage Waiver coverage, decline the counter collision insurance. Ensure you have sufficient credit limit for a temporary security hold (typically €1,000 to €1,500).
  2. Drive Manual if Possible: In Europe, manual transmission cars represent the vast majority of rental fleets. Automatic vehicles often cost 40% to 80% more per day and must be booked well in advance.
  3. Avoid International One-Way Drop Fees: Picking up a rental car in Lisbon and dropping it off in Madrid can trigger an international cross-border drop fee of €400 to €800. If crossing borders, take a bus or train across the border, and rent a separate domestic vehicle in each country.
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About the Author

ETH Editorial Team

The ETH (Euro Travel Hacks) Editorial Team researches European travel costs, transport, accommodation, and trip-planning information using official sources and structured Euro Travel Hacks data. Changing prices and travel information are dated and reviewed against cited sources where practical.

Experience: Structured research and verification across official European transport operators, municipal transit authorities, and national tourism offices.