Complete Guide to Renting a Car in Ireland

Renting a car is the best way to explore Ireland at your own pace. From the dramatic cliffs of the Wild Atlantic Way to the hidden gems of the Ancient East, having your own wheels opens up a world of possibilities. But navigating the rental process can feel overwhelming, especially with unfamiliar insurance terms and driving conditions.

This comprehensive guide covers everything you need to know to rent with confidence.

Choosing the Right Vehicle

Size Matters (But Not How You Think)

Don't just count passengers—think about luggage. Irish roads are narrow, and a smaller car is easier to navigate. Here's our recommendation:

Rental Companies

You'll find both international and local providers:

International brands:

• Hertz, Europcar, Avis, Budget, Enterprise

Irish companies:

• Dan Dooley, Irish Car Rentals, Dooley Car Rentals

Local companies often offer better value and more personal service, while international brands may be more familiar if you have loyalty programs.

Alternative: Car Sharing with GoCar

If you don't need a car for your entire trip, GoCar.ie offers flexible car sharing across Ireland. Read our complete guide to using GoCar or see our GoCar vs traditional rental comparison. It's perfect for:

• Day trips from Dublin or other cities
• Exploring when you only need wheels for a few hours
• Avoiding the commitment of multi-day rental

Cars are parked in convenient city locations, and you pay by the hour or day. Insurance (third party, fire & theft with €2,000 excess) and fuel (via Circle K card) are included, with 50km free mileage per booking. There's no paperwork at a rental desk. Check our GoCar locations guide to find cars near you.

Exclusive offer: Register with GoCar and use promo code 31k65h to get €25 off your first trip.

Understanding Insurance

This is where most travellers get confused—and where you can save (or lose) significant money.

Collision Damage Waiver (CDW)

CDW is not insurance—it's a waiver that limits your liability for damage to the vehicle. Key points:

• Usually included in rental price
• You're still liable for an "excess" (deductible) of €1,000-€3,000
• Does NOT cover: Tyres, wheels, windows, mirrors, undercarriage, interior damage, roof damage

Super CDW / Excess Reduction

This additional coverage reduces your excess to €0 or a minimal amount. It typically costs €15-25 per day but provides peace of mind, especially on Ireland's narrow roads where wing mirrors are at risk.

Don't buy it at the desk, though. A standalone car hire excess insurance policy bought online before you fly does the same job for €3-8 per day and usually covers the tyres, glass and undercarriage that Super CDW leaves out.

Third-Party Liability

Standard coverage for damage to other vehicles or property. Usually included and legally required.

Personal Accident Insurance (PAI)

Covers medical costs for you and passengers. Check if your travel insurance or health insurance already covers this before purchasing.

Important Warning for US Visitors

Your US credit card's rental car coverage typically does NOT work in Ireland. Most credit card coverage explicitly excludes rentals outside the US and Canada. Always verify with your card company before relying on this.

The Deposit Question

Expect a deposit hold of €500-€3,000 on your credit card, depending on vehicle type and coverage level. Key facts:

• Must be a credit card (not debit)
• Card must be in the driver's name
• Refund takes 5-10 working days after return
• Any unreported damage will be deducted

Budget tip: Super CDW often reduces the required deposit significantly.

Age Requirements & Driver Criteria

Standard requirements across most rental companies:

International Driving Permit

Whether you need an International Driving Permit (IDP) depends on where your licence was issued, not on what language it is in. This is the State's position for the Republic, from Citizens Information (checked October 2026):

• EU or EEA licence. You can drive on it as long as it is valid. No IDP.
• Licence from a recognised state. You can drive for up to one year on a visit. The recognised states include the UK, Australia, New Zealand, South Africa, Switzerland, Japan and South Korea. Only seven Canadian provinces are on the list: Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Ontario and Saskatchewan.
• Any other licence, including a US licence. You may drive for up to 12 months as a visitor if you also have an international driving permit from your country.

An IDP is a translation of your licence, not a replacement. Carry it with your licence. It has to come from the country that issued your licence, so get it before you travel.

The rental desk is a separate question. Some operators do not ask a US driver for an IDP. Avis's Irish terms, for example, ask for one only "where an English translation is not present on the driving licence". A desk that does not ask has not changed the law. If you hold a US licence, bring an IDP anyway.

Money-Saving Strategies

Book Early

Prices can be 30-50% lower when booked 2-3 months in advance, especially during peak season (June-August).

Avoid Airport Premiums

Airport locations charge higher rates. If your schedule allows, take a taxi or bus to a city-centre location for pickup.

Fuel Policy

Look for "full to full" policies—you collect with a full tank and return it full. Avoid "full to empty" where you pay for fuel upfront at inflated prices.

Skip Unnecessary Add-ons

You probably don't need:

• GPS (use Google Maps on your phone with a car mount)
• Additional insurance if you have Super CDW

A child seat is not an optional extra. It is a legal requirement for a child under 150cm and under 36kg in the Republic, and for a child up to 135cm or 12 years in Northern Ireland. Your choice is between hiring an approved seat with the car or bringing your own E-marked one. A US-standard seat does not qualify. See our child car seats guide before you decide.

Before You Drive Away

The Walk-Around

This is critical. Before signing anything:

1. Walk around the entire vehicle with the rental agent
2. Photograph all existing damage (scratches, dents, chips)
3. Ensure every mark is noted on the contract
4. Check tyre condition and spare tyre
5. Test all lights, wipers, and indicators

Get It in Writing

Before you book, confirm in writing:

• Total price including all taxes and fees
• Insurance inclusions and exclusions
• Cross-border policy (if visiting Northern Ireland)
• One-way drop-off fees if applicable
• Mileage limits

Crossing into Northern Ireland

Most rental companies allow it. None of them treat it as automatic.

It is a named condition, not an assumption

Declare the trip north when you book — it is usually a checkbox at the booking stage — and get the answer in writing before you collect the car.

Executive Trust Limited, which trades as Europcar Ireland and also under the Irish Car Rentals, CarHire.ie and Keddy brands, puts it in the clause that governs where you may drive at all:

"All Vehicles retained on our fleet are fitted with electronic devices which tell us that a Vehicle has crossed the border from the Republic of Ireland into Northern Ireland. The Cross Border Travel charge applies if you are visiting Northern Ireland from the Republic of Ireland."

You are not declaring the drive so that they find out. They already know. You are declaring it so that the terms you are driving under north of the border are the terms you actually agreed.

Insurance and breakdown cover are two separate questions

Permission to drive north is not the same thing as cover that follows you north, and the two sit in different parts of the agreement. Roadside assistance in particular is often a bought product rather than something included in the rental. Ask both questions, name Northern Ireland in both, and keep the reply.

A fee, where one operator publishes it

Europcar Ireland's tariff guide of June 2026 sets a Cross Border Travel Fee of €40 where the trip is notified and authorised at collection, and €45 where it is not and the vehicle's telematics report the crossing instead. Dropping the car off north of the border is a different and much larger charge: One Way to Northern Ireland, €300.

Those are one company's published figures, checked September 2026. They are not an industry rate — the amount and the structure both vary by operator, and the only number that binds you is the one in your own operator's tariff guide. Ask for it before you book.

Going north is allowed. Leaving the island usually is not

The same tariff sheet permits the vehicle into Northern Ireland "Only", and states that vehicles "are not allowed off the island of Ireland". A ferry to Britain or France is a separate permission and frequently a refusal, with penalties attached. Our car ferries guide covers which crossings stay on the island.

What changes at the border

There are no checkpoints. Northern Ireland's Department for Infrastructure has authorised a "Welcome to Northern Ireland" sign stating that speed limits are in miles per hour for eight main roads in; on a back road you may not notice crossing at all.

Northern Ireland has no toll roads at all. The clearest confirmation is that the Northern Ireland Executive's own "Toll roads" guidance on nidirect, written for drivers based there, is entirely about tolls in the Republic and links only to TII. Nothing in it applies before you cross back.

Rental terms and fees quoted from Europcar Ireland's Terms and Conditions of Hire and Tariff Guide (updated June 2026), sections 3.1 and 3.2 and the Services tariff table, checked September 2026. Licensing remit from the Department for Infrastructure's Driver & Vehicle Agency page; mph limits and the absence of Northern Ireland tolls from nidirect, both checked September 2026. Speed limits on both sides are covered in detail in our speed limits guide.

Returning Your Rental

To avoid disputes:

1. Return with a full fuel tank (keep the receipt)
2. Arrive with time to spare—don't rush
3. Take photos of the car's condition at return
4. Get a signed copy of the return inspection
5. Check your credit card statement after 10 days for unexpected charges

Quick Reference: What to Bring

• Valid driving license (held 2+ years)
• International Driving Permit, if your licence is not from the EU, the EEA or a recognised state (a US licence needs one)
• Credit card in driver's name
• Booking confirmation
• Proof of insurance (if using third-party)
• Phone mount for navigation

Ready to Hit the Road?

Now that you're prepared for the rental process, it's time to plan your route. Check out our most popular road trips:

• Ring of Kerry - Ireland's most famous scenic drive
• Wild Atlantic Way - Clare - Cliffs, music, and the Burren
• Causeway Coastal Route - Northern Ireland's stunning coast

Or browse all our road trips to find your perfect Irish adventure.

More Car Rental Resources

• How to Use GoCar: Step-by-Step Guide
• GoCar Locations Across Ireland
• GoCar vs Traditional Car Rental
• GoCar for Tourists
• GoCar Issues & Problems
• Parking in Ireland — where the parking notice goes in a hire car, and the admin fee on top of it
• Car Rental Hub — Compare all your options