Book Cheap National Car Hire Deals in Castleknock, Dublin, Ireland

Some companies may provide a complimentary tank of fuel with your rental. Understand the conditions, such as how much fuel you need to return with to avoid fees.

To evade additional charges, return the rental car on schedule. Familiarize yourself with the agreed return time to prevent any surprises.

If sharing driving responsibilities, check the policies regarding additional drivers. Some companies charge fees for each extra driver, while others may include it for free under certain conditions.

Ensure that you have a valid driving licence with at least one year of driving experience. If you are a foreign driver travelling to Dublin, an international driving permit may be required. Remember, hire rates can be higher for drivers under 25 or over 70

Many rental companies require payment by credit card and may not accept debit cards. If you only have a debit card, check the rental company's payment policies in advance and look for suitable options.

Before renting a car, check if your personal car insurance covers rental losses. Many personal auto insurance policies and credit cards offer coverage for rentals, which could save you from extra insurance fees.

If you plan to drive off-road, confirm with the rental agency whether it's permitted. Not all vehicles are suited for off-road conditions.

Before departing, check the interior of the rental car for cleanliness and any functional issues. Ensure equipment like the radio and air conditioning works properly.