CARS+ 2026: Benefits, Features & Pricing
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- Overview
- Pricing and Plans
- Features
- User Reviews
Overview
Pricing
Pricing available upon request
About CARS+
Thermeon is a global industry-leading car rental software solutions provider headquartered in the UK with regional offices in the United States and Australia.
For over 40 years, Thermeon has been a source of knowledge and best practices in the car rental industry, delivering high-quality vehicle hire systems that help both global and independent businesses to maximize revenue and drive sales.
CARS+ provides the tools to manage the rental process from quotation and accounting to signature capture and credit card processing. CARS+ is used worldwide by most leading multinational brands and trusted local companies, at service counters, in fleet management, accounting, corporate management, and most importantly, in web and mobile customer interfaces.
CARS+ Screenshots

CARS+ Pricing and Plans
Basic
Pricing available upon request
No plan information available

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CARS+ Features
- Popular features found in RentalAccountingContract/License ManagementInspection ManagementLate Fee CalculationMulti-LocationOnline BookingOrder ManagementRate ManagementRecurring RentalsScheduling
- More features of CARS+Access Controls/PermissionsActivity DashboardAlerts/NotificationsAPIBilling & InvoicingBilling Rate ManagementBooking ManagementCalendar ManagementCheck-in/Check-outCommenting/NotesCorporate AccountsCredit Card ProcessingCustomer DatabaseCustomizable FormsCustomizable ReportsDigital SignatureDocument ManagementFines ManagementFleet ManagementID ScanningMaintenance SchedulingMobile AppMulti-LanguageOnline PaymentsPayment ProcessingPerformance MetricsPromotions ManagementQuotes/EstimatesRate TablesReal-Time DataReporting & StatisticsReservations ManagementSelf Service PortalSplit BillingTask ManagementVehicle Damage TrackingVehicle TrackingWebsite Management
CARS+ User Reviews
Overall Rating
4.3
Ratings Breakdown
5
53%
4
33%
3
7%
2
0%
1
7%
Secondary Ratings
Ease of Use
4.1
Value for money
4.6
Customer support
4.7
Functionality
4.1

Maria Eugenia V.
Verified reviewer
51-200 employees
Used daily for more than 2 years
Review sourceReviewed April 2018
CARS+ helped us to professionalize and order our operations
5
Ratings Breakdown
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Alienor I.
Verified reviewer
Transportation/ Trucking/ Railroad
51-200 employees
Used daily for more than 2 years
Review sourceReviewed January 2020
A love hate relationship
4
While there is still plenty to develop and improve, I have worked with many other systems over the years and I can easily say that Cars+ is the best one out there. It ticks the big boxes like availability management, fleet management and user management and while not perfect and pretty slow, the rate upload system via XML is better than most systems out there. But it needs a new angle, a new vision and it needs to step in the 21st century. The car rental industry is not very dynamic - we all know that - but times are changing. And eventually if improvements don't happen fast enough, someone else will come in. I think we all have a love hate relationship with Cars+ as sometimes limitations do frustrate us. Their support is really good, great people and fast replied. Special thanks to [SENSITIVE CONTENT HIDDEN] who are always super helpful and willing to find a solution for us :)
Ratings Breakdown
Vendor Response
Hi, Thank you for sharing your feedback. We appreciate your input. Please reach out to our support team at support@thermeon.com. Your detailed input helps us improve our services.
Replied October 2023
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Luka Z.
Verified reviewer
Transportation/ Trucking/ Railroad
11-50 employees
Used daily for more than 2 years
Review sourceReviewed March 2018
Fast support but development is stucked in stone age :(
1
Mosty problems but we dont have other options :)
Ratings Breakdown
Vendor Response
Dear Luka, Thank you for posting a review. Firstly, please allow me to apologise on behalf of everyone at Thermeon. As you know,we have a massive amount of industry knowledge and experience and as you highlighted, our support team is second to none. We love what we do and we want all our Clients to experience that exceptional support and service, so it hurts when we fall short of your expectations. We understand your experience of ¿CARS+¿ is not of the quality you expect. We are aware that your development requests have not met your expectation and we are working to address this. We want this to be the exception and we won't allow for a repeat of this situation. We can't fix the past, but you have my personal commitment that we will find ways to improve the way we serve you. I will be in contact with you this week to discuss these issues and find a way forward. Until then, please again accept my most sincere apologies on behalf of everyone on the team. Thank you Matilda Walsh
Replied April 2018
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Retail
1001-5000 employees
Used daily for more than 2 years
Review sourceReviewed July 2022
Another CARS+ happy user
5
Ratings Breakdown
Vendor Response
Hi, Thank you for your positive review
Replied October 2023
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Jing Q.
Verified reviewer
Automotive
11-50 employees
Used daily for less than 12 months
Review sourceReviewed July 2021
Most powerful system ever seen
5
Outstanding procut, outstanding service, super nice staff.
Ratings Breakdown
Reasons for choosing CARS+
1. Well connected with brokers 2. Very powerful, has all kind of functions 3. Good reporting system 4. System is very stable, easy to use 5. Excellent support facility 6. Well established company, good reputation
Vendor Response
Hi, Thank you for your positive review
Replied January 2024
Read More
Willy B.
Verified reviewer
Used daily for more than 2 years
Review sourceReviewed March 2018
WE AT HERTZ-PERU HAVE BEEN WORKING WITH CARS+INTERNET FOR ABOUT 15 YEARS AND IT HAS BEEN GREAT
5
control on every aspect of the rental car business
Ratings Breakdown
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MARIO O.
Used daily for more than 2 years
Review sourceReviewed April 2018
Their Team is great (Sales & Support), but it is hard to use the Reports in Excel.
4
Ratings Breakdown
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Myrna M.
Automotive
501-1000 employees
Used daily for more than 2 years
Review sourceReviewed April 2018
Since more than 10 years we are working with thermeon supporting our operations in rental vehicles
4
Fast system, variety of reports, support handling
Ratings Breakdown
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Miha K.
Used daily for more than 2 years
Review sourceReviewed March 2018
The Most Powerful Tool in car rental business. You can setup it totally customized to fit your needs
5
Ratings Breakdown
Read More
Andy P.
Used daily for more than 2 years
Review sourceReviewed February 2018
Easy, efficient and cost effective system / support.
5
Ratings Breakdown
Read More
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