Why book with us?
Free Cancellation
On all bookings that don't require a credit card to book.
Coupons and Discounts Built In
Save on your rental with our best upgrades built in.
Frequent Renter Perks
Check in online and use frequent renter perks (add number at checkout).
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Free Car Rental Upgrades
Car rental upgrades via discounts and coupons built into our booking engine!
Try our Upgrades Smart Book - car rental coupons and discounts built in to save you time and money!
Budget upgrade coupon, get a Free Upgrade on car rentals through 12/31/25.
Use Smart Book to automatically apply this Budget Free Upgrade coupon. Book a Mid Size thru Full Size Car to apply coupon, upgrade provided if available.
Budget upgrade coupon, get a Free Upgrade on car and SUV rentals through 6/30/25.
Use Smart Book to automatically apply this Budget Free SUV Upgrade coupon. Book a Mid Size Car thru Full Size SUV to apply coupon.
Budget discount deal, get up to 50% off your Budget car rental through 12/31/25.
Use Smart Book to automatically apply this Budget discount deal. Valid at participating locations, holiday and other blackouts may apply.
Avis upgrade coupon deal, get a Free Upgrade on your next car rental through 12/31/25.
Use Smart Book to automatically apply this Avis upgrade coupon. Book a Mid Size thru Full Size Car to apply coupon, upgrade provided if available.
Avis discount deal, get up to 40% off Avis car rentals through 12/31/25.
Get up to 40% off your next car rental deal from Avis. Valid in most locations, for rental pickup by 12/31/25. Blackouts may apply.
Hertz car rental Free Upgrade, get an upgrade on your next Hertz rental through 12/31/25.
Get a Free Upgrade your next car rental from Hertz. Valid at participating US locations, book Mid Size through Premium Cars.
Hertz discount, get 15% off neighborhood locations.
Use Hertz Discount from Smart Book. Valid at participating off airport locations, holiday and other blackouts may apply.
Dollar car rental deal - get up to 20% off on your next Dollar car rental through 12/31/25.
Use Smart Book to apply Dollar Deal. Valid at participating locations, holiday and other blackouts may apply.
Thrifty car rental deal, get up to 20% off your next Thrifty car rental through 12/31/25.
Up to 20% off your next Thrifty rental deal for pickup by 12/31/25. Valid at participating locations, blackouts may apply.
Get up to 20% off your Sixt rental through 12/31/25 when you prepay.
Use Smart Book for this Sixt car rental deal. Valid at participating locations worldwide, holiday and other blackouts may apply.
Get up to 20% off your Fox Rent A Car rental.
Use Smart Book to apply this 20% off Fox Rent A Car deal, plus your spouse/partner drives for free.
Payless Rent A Car Deal, get 10% off your Payless rental through 12/31/25.
Use Smart Book to apply this Payless Deal. Valid at participating locations, holiday and other blackouts may apply.
Compare and Save with Ace Rent A Car Deal, your spouse/partner drives for free.
Use Smart Book to apply Ace Weekly Discount. Valid at participating corporate locations, holiday and other blackouts may apply. Rate now includes free cancellation.
Car Rental Upgrades Tips:
Enter your times and dates for cheap car rental upgrades with unlimited mileage - often under $200 for off peak rentals.
Avis and Budget upgrades now show in our booking engine. Look for the Free Upgrade in the vehicle description.
Car rental upgrades are good for most rental periods and are best for daily or monthly rentals.
Some car rental upgrades may also have a maximum rental period from 14 to 28 days.
Unfortunately upgrades are not guaranteed. Upgrades are applied at the counter if available.
Get unlimited mileage weekly car rentals for cheap using our discounts. On the search results page look for unlimited mileage in the description.
Join frequent renter clubs (free) or use on-line check in to speed up rental pickup. It can save you time at the counter and get you better treatment.
To find cheap car rental upgrades near me just enter your address in the location pick up box. You can then filter search results by closest.
Free car rental upgrades are good for off airport car rentals. Avis and Budget money off coupons only apply to airports.
CARRENTALSAVERS.COM TESTIMONIALS
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- For more and verification links check out our Reviews Page.
CAR RENTAL UPGRADES CANCELLATION POLICY:
All non prepaid or guaranteed (cc required) bookings through this page can be canceled or modified at no cost on-line. Use Find my Trip to view and cancel your reservation or follow the link in your confirmation email.
Please note: modifications are subject to possible changes in price.
CAR RENTAL UPGRADES FAQ'S
How much money can I save with car rental upgrades?
By combining car rental discounts and car rental coupons we can save you 30% or more on your next rental.
What is the best way to find car rental upgrades?
We find, test and include the discounts and coupons to get the best price. Use CarRentalSavers.com/Upgrades to automatically apply the best car rental upgrades to your booking.
Why use CarRentalSavers.com for your next car rental deal?
We are the car rental specialists and only do car rentals. We compare multiple rental companies and build in the best car rental upgrades. Reservations can be canceled on-line with no cost and we can assist with any rental issues.
How do I get a Free Upgrade on my car rental?
Make sure you look for Free Upgrade in the search results (see above). This will show a successfully applied upgrade coupon.
Enter your times, dates and location. We apply the discounts and coupons, use our filters to find the perfect car rental.
1 Search Car Rental Upgrades
Enter your travel information to compare multiple car rental agencies with car rental coupons for your location. With featured specials built in to get you cheap car rentals.
2 Explore Our Best Car Rental Upgrades
Use our custom filters to find the perfect vehicle for your trip. Filter by major agencies, on and off airport, distance from an address or by lowest price.
3 Book your Upgraded Car Rental
Find the cheapest car rental and book now. Rates can often change, so check back often. Our bookings can be canceled or modified at any time. Try our last minute car rental upgrades.