Fasten your seatbelts, flexible car rentals are nearly here!
It won't be long until you can compare and book car rentals at Alternative Airlines. In the meantime, check out what's coming!
Book Sixt Car Rentals Now & Pay Later
Book affordable Sixt rentals across America
Alternatives to Sixt
Book your Sixt Car Rentals!
Book Sixt car rentals at Alternative Airlines.
Drive across America with collection points at popular and remote destinations. Travel from coast to coast when you select a separate collection and drop-off point.
Make your Sixt car rental more affordable with drive now, pay later plans. Secure your rental and pay over time with accredited lenders like Affirm.
Learn more below! 👇👇👇
Who is Sixt?
Sixt is a car rental supplier based in Germany. Its rentals are available in over 100 countries, with the USA being one of its most popular locations.
Please note that Alternative Airlines only offers Sixt car rentals for use within America.
Although you can collect a rental from various locations across America, Sixt specializes in airport car rentals, with many of its hubs stationed at international airports.
Fun fact: Sixt was voted the best rental car company in the USA Today 10Best Reader's Choice Awards!
Popular Sixt Collection Points
Some of Sixt's most common collection and drop-off locations in America include the following:
- Los Angeles International Airport (LAX)
- Orlando International Airport (MCO)
- John F. Kennedy International Airport (JFK)
- Miami International Airport (MIA)
- Denver International Airport (DEN)
Top Tip: Selecting a common collection point often means you'll have more available cars to choose from.💫
Available Sixt Car Rental Vehicles
Discover some of Sixt’s most popular car rentals!
Sixt’s Low-Cost Car Rentals
Economy Cars
Cars like the Kia Rio and the Peugeot 208. Spend less on your drive so you have more at your destination. Ideal for those on a budget.
Small Cars
Cars like the Smart fortwo. Seats 2 people, perfect for solo and couple drives.
Compact Cars
Cars like the Toyota Yaris iA and the Volkswagen Golf. Smaller than a medium-sized vehicle but larger than a subcompact car, these are low-cost cars that don't leave you feeling squished.
Standard Cars
Cars like the Skoda Superb. Your run-of-the-mill kind of car, popular for a reason, they’re nice to drive and nice on your bank account.
Sixt’s XL Rentals
Full-size SUVs
Cars like the Chevrolet Suburban and the Mercedes-Benz GLS. Seats around 7 people, perfect for family road trips across diverse terrain.
Full-size Vans
Vans like the Chevrolet Express. Seats 12 people, designed for big gatherings. Ideal for school trips and extended family vacations.
Pick-up trucks
Trucks like the Chevrolet Silverado. With ample space, these vans are designed for carrying large amounts of cargo.
Sixt’s Luxury Car Rentals
Luxury Convertibles
Cars like the BMW 4 Series and the Jaguar F-Type. Power-operated convertibles with a sleek and polished design perfect for warm-state drives.
Executive SUVs
Cars like the Mercedes G-Class and the Range Rover Sport. Professional-looking cars that perfectly encapsulate technology and comfort.
Luxury SUVs
Cars like the Jaguar F-Pace and the Volvo XC90. The best cars on the market with ergonomic seating, the newest technology and the strongest engines.
Pay Later Six Car Rentals
When you book your Sixt car rental with Alternative Airlines, you don't have to pay for it all up front. Instead, you have the option to pay over time with a buy now, pay later.
When you select 'Buy Now, Pay Later' at checkout, you'll secure your rental despite not paying in full. The sum of your rental will then be paid back over an agreed number of weeks or months.
Depending on the installment plan you select, you can rent now and pay later. This means you'll be able to drive your rental before payment is completed.
Put the brakes on expensive car rentals. Split the cost of your Sixt rental into affordable installments.💫
Please note that we currently only offer buy now pay later plans for car rentals to residents of the United States of America.
Who is Alternative Airlines?
Despite our name, we’re more than just a flight booking site. We also offer car rentals across America!
We started solely as an online flight booking service. With over 600+ airlines to choose from, our customers fly all across the world.
Our wide selection of airlines, expert customer service, and buy now, pay later options have helped us achieve a 4.9-star rating on TrustPilot!
Now we’ve expanded to car rentals too, with the aim of giving more people the freedom and accessibility to travel.
Drive from coast to coast with leading rental suppliers, including Sixt. Then pay your way, with upfront and pay later options available.
Book affordable flights and car rentals at Alternative Airlines! ✈️🚗
Book Sixt Car Rentals Today
Book affordable car rentals at Alternative Airlines. Drive your way when you choose your preferred rental and payment method.
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Rated Excellent on Trustpilot
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Sixt Car Rentals FAQs
What is Sixt Rent a Car?
Sixt is a car rental company based in Germany. It offers rentals worldwide, including in the USA.
Its wide range of high-quality vehicles has helped it to become one of the leading car rental suppliers in the world.
No matter your budget, you can expect a high-quality rental car when you choose Sixt.
Is Sixt car rental good?
Yes! Sixt car rental is one of the most successful car rental companies in the world.
It's won its fair share of awards, with some of its most recent including the following:
- Best Car Rental & Mobility Innovation at the 2025 Frequent Traveler Awards
- The Best Rental Company in the USA Today by 10Best Reader’s Choice Awards (2025)
Sixt offers a diverse range of rentals, allowing you to select the car that best suits your needs. From economy to luxury, two-seaters to vans, whatever you’re looking for, Sixt will have the perfect vehicle for you.
Can I book Sixt car rentals at Alternative Airlines?
Yes! Alternative Airlines doesn’t just offer flights but also car rentals!
Scroll to the top of the page to begin your search. Choose from leading car rental suppliers, including Sixt.
Where can I get a Sixt car rental?
You can book your car rental online through Alternative Airlines, then collect it from your chosen pick-up point.
Please note that Alternative Airlines only offers car rentals in America.
Am I eligible for a Sixt car rental at Alternative Airlines?
To be eligible for a Sixt car rental, you must meet the following criteria:
- Be booking a car to drive within America.
- Be over the age of 21 (only some states allow you to rent from 18).
- Have a valid driver's license.
Do I have to be living in America to book a car rental with Alternative Airlines?
No. You don’t have to be living in America to book a car rental with us.
You can book from anywhere in the world, but you must collect and drive your rental within the USA.
This makes our rentals great for getting you between destinations while you’re on holiday.
Please note that we currently only offer buy now pay later plans for car rentals to residents of the United States of America.
Can I pay later for my Sixt car rental?
Yes. You can select one of our buy now, pay later partners at checkout to pay later on your rental.
Spread the cost of your Sixt car rental into manageable installments with accredited lenders like Affirm and more.
Please note that we currently only offer buy now pay later plans for car rentals to residents of the United States of America.
What happens if I return my car rental late?
You will incur a late fee. To avoid additional charges, please return your car rental on the agreed-upon date or request an extension in advance.
Will my Sixt car rental come with insurance?
Your Sixt car rental comes with Third Party Liability Insurance as required. This means that the cost of any damage you may cause to another person’s vehicle will be covered.