What Sixt offers at Phoenix Sky Harbor
Sixt operates a rental counter at Phoenix Sky Harbor International Airport (PHX) in the baggage claim area. You can pick up and return a car at the airport itself, which means no shuttle ride to an off-site lot. Sixt's fleet at PHX includes economy cars, SUVs, vans, and premium vehicles, though specific models available depend on the day and season.
The counter is located in the lower level baggage claim area, past the ground transportation signs. If you're arriving on a flight, follow signs for ground transportation and rental car shuttles — Sixt is grouped with other major rental companies in that section. For returns, you'll drive to the rental car return facility and follow Sixt signage to drop off your vehicle.
Sixt also operates an off-airport location in Phoenix if you prefer to rent away from the terminal, though airport pickup is more common for travelers arriving by plane.
Key Takeaways
- Sixt's Phoenix Sky Harbor counter is in the lower baggage claim area, and you can pick up and return directly at the airport without using a shuttle.
- You will need a valid driver's license, a credit card in your name, and proof of insurance or the option to purchase Sixt's coverage before you can rent.
- Airport rentals typically cost more than off-airport locations because of facility fees and taxes specific to airport operations.
- Sixt charges for damage, fuel, tolls, and late returns, so review the rental agreement and understand what's included before you drive off the lot.
- Reservations made in advance usually offer better rates than walk-up rentals, especially during peak travel seasons.
What you need to bring to the counter
You must have a valid driver's license — a U.S. state license, international driving permit, or passport card all work. The name on your license must match the name on your reservation and the credit card you use to pay. Sixt will not rent to you if these don't match.
Bring a credit card in your own name. Sixt does not accept debit cards for the rental itself, though some locations may accept them for the damage deposit. The credit card is used to authorize the rental and hold a deposit for potential damage or fuel charges.
Have proof of insurance if you plan to use your own coverage instead of buying Sixt's. This can be a digital copy on your phone or a printed card from your insurance company. If you don't have insurance or prefer to buy coverage from Sixt, you can purchase it at the counter — the agent will explain the options and costs.
How pricing works and what affects your rate
Sixt's daily rates at Phoenix Sky Harbor vary based on the vehicle type, how far in advance you book, and current demand. Economy cars cost less per day than SUVs or premium vehicles. Rates are typically higher during peak travel seasons (winter holidays, spring break, summer) and lower during slower periods.
Airport rentals include a facility fee and Arizona state taxes, which are added to the base daily rate. These fees are not optional — they explore to all airport rentals regardless of company. The total cost shown at checkout includes these fees, so you won't see surprises at the counter.
Booking in advance usually locks in a lower rate than renting on the spot. If you book online and rates drop before your rental date, you can often modify your reservation to get the new price, though this depends on the rate type you purchased.
Insurance and damage coverage options
Sixt offers several coverage options at the counter: collision damage waiver (CDW), theft protection, and third-party liability. CDW covers damage to the rental car itself if you're at fault in an accident. Theft protection covers the car if it's stolen. Third-party liability covers damage you cause to other vehicles or property.
If you have your own auto insurance, check your policy to see what it covers on rental cars. Many personal policies cover rentals, which means you may not need to buy Sixt's coverage. Bring your insurance card or policy documents to show the agent what you're covered for.
Credit card companies sometimes offer rental car coverage if you charge the rental to that card. Call your credit card issuer before your trip to confirm what they cover and what they don't — coverage varies widely by card and issuer.
Fuel, tolls, and other charges that appear after pickup
Sixt charges you for fuel if you return the car with less gas than you picked it up with. The per-gallon rate is set by Sixt and is usually higher than local gas station prices. You can avoid this by returning the car with a full tank, or by purchasing a pre-paid fuel option at the counter before you leave.
If you use toll roads in Arizona — such as the Loop 202 or Loop 101 — Sixt will charge you for those tolls plus a processing fee. The toll charges appear on your final bill after you return the car. If you want to avoid toll roads, ask the agent for a map or use a GPS app that lets you exclude tolls from route planning.
Late returns are charged at a daily rate, sometimes higher than your original rental rate. If you know you'll be late, call Sixt as soon as possible to extend your reservation — this is cheaper than returning late and being charged the overage rate.
Returning your car and what happens at the lot
When you're ready to return, drive to the Phoenix Sky Harbor rental car return facility. Follow signs for "Rental Car Returns" — the facility is separate from the main terminal. Sixt has a dedicated return lane where you'll pull in and an agent will meet you.
The agent will inspect the car for damage, check the fuel level, and review your rental agreement with you. If there's damage beyond normal wear, you'll be charged. If the tank isn't full, you'll be charged for fuel. This is when you can ask questions about any charges before you finalize the return.
After the inspection, you'll receive a receipt showing the final charges. Keep this receipt — it documents what you paid and what was charged. If you dispute a charge later, the receipt is your proof of what happened at return.
Modifying or canceling your reservation
You can modify your Sixt reservation online through their website or by calling their customer service line. Changes to pickup or return dates, vehicle type, or location are possible depending on availability and your rate type. Some rates are non-refundable, which means you'll lose the money if you cancel, while others allow cancellation up to a certain time before pickup.
Check your confirmation email to see what type of rate you booked. It will say whether the rate is refundable or non-refundable. If you need to cancel a non-refundable rate, you'll forfeit the payment, but you can sometimes explore it as a credit toward a future Sixt rental.
If you need to extend your rental after you've already picked up the car, call Sixt when ready. Extending before the return date is cheaper than returning late and being charged overage fees.
Frequently Asked Questions
Can I rent from Sixt at Phoenix Sky Harbor if I'm under 25?
Yes, but Sixt charges a young driver fee for renters under 25. The fee varies by location and vehicle type. You'll see the total cost including the young driver fee when you book online or at the counter. Some vehicle types may not be available to drivers under 21.
What if I get into an accident and need to report it?
Call Sixt's roadside information number when ready — it's on your rental agreement and key card. Do not leave the scene. Get the other driver's information, take photos of the damage, and get contact information from any witnesses. Sixt will tell you what to do next and whether to file a police report.
Can I add another driver to my rental?
Yes, additional drivers can be added at the counter for a fee. They must have a valid driver's license and be at least 21 years old. It's cheaper to add a driver at pickup than to have an unauthorized driver use the car, which violates your rental agreement.
Is there a one-way rental option if I'm leaving Phoenix?
Sixt offers one-way rentals to other Arizona cities and some out-of-state locations. One-way rentals cost more than round-trip rentals because of the drop-off fee. You'll see the one-way price when you book — select a different return location and the system will show you the total cost.
What happens if I return the car early?
Early returns are usually not refunded if you booked a non-refundable rate. However, some rates do allow early return refunds. Check your confirmation email or ask the agent at pickup what your rate allows. If you're unsure, returning early and losing a day's charge is still cheaper than paying late fees.