Auction123 vs ProMax Unlimited Comparison
Auction123
Starting at Contact for pricing
- Large Enterprises
- Medium Business
Auction123 is an all-in-one solution for businesses to manage and market their inventory online. It offers robust dealership inventory management software and unparalleled integration between a Dealer Management System (…
ProMax Unlimited
Starting at Contact for pricing
- Large Enterprises
- Medium Business
ProMax Unlimited boasts the leading status-driven follow up system in the industry and has been delivering outstanding automotive software for 25 years. It provides a comprehensive solution for dealers with a range of to…
ProMax Unlimited leads on user satisfaction with a 4.5-star rating across 4 reviews.
Auction123 vs ProMax Unlimited — at a glance
| Feature | Auction123 | ProMax Unlimited |
|---|---|---|
| Rating | 4.3 / 5 | 4.5 / 5 |
| Reviews | 3 | 4 |
| Starting price | Contact for pricing | Contact for pricing |
| Free trial | No | No |
| Free version | No | No |
| Best for | Large Enterprises, Medium Business, Small Business | Large Enterprises, Medium Business, Small Business |
| Category | Car Dealer Software | Car Dealer Software |
| Platforms | SaaS/Web/Cloud, Mobile - Android | SaaS/Web/Cloud |
| API | — | — |
| Support modes | 24/7 (Live rep) | 24/7 (Live rep), Business Hours, Online |
| Certifications | — | — |
| Data residency | US | US |
Key differences between Auction123 and ProMax Unlimited
- User satisfaction: ProMax Unlimited scores higher with a 4.5-star average.
- Deployment: Auction123 supports SaaS/Web/Cloud, Mobile - Android; ProMax Unlimited supports SaaS/Web/Cloud.
Auction123 vs ProMax Unlimited — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Car Dealer Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Biggest differences
Start here before you go deeper into features.
Best for dealerships needing integrated inventory and multi-marketplace marketing.
- You require seamless integration between your DMS and 400+ online marketplaces including eBay Motors and Facebook.
- Your dealership manages diverse vehicle types such as automotive, RV, marine, and aviation.
- Your team includes inventory managers, sales, and marketing professionals needing a flexible, all-in-one platform.
- You operate a very small dealership with minimal online presence and limited need for complex integrations.
- You need transparent, fixed pricing or prefer self-serve purchasing options.
Best for large automotive dealers needing comprehensive sales and compliance software.
- You require an advanced, status-driven follow-up system to boost sales efficiency.
- Your dealership needs integrated Desking, CRM, Compliance, and Lead Generation tools.
- You operate a mid-to-large dealership (51+ employees) with complex process requirements.
- You run a very small dealership with minimal software needs and want simplicity.
- You need transparent, upfront pricing to easily evaluate ROI before purchase.
Auction123: Best for dealerships needing integrated inventory and multi-marketplace marketing. ProMax Unlimited: Best for large automotive dealers needing comprehensive sales and compliance software.
Description | Auction123 is an all-in-one solution for businesses to manage and market their inventory online. It offers robust dealership inventory management software and unparalleled integration ... Read More about Auction123 | ProMax Unlimited boasts the leading status-driven follow up system in the industry and has been delivering outstanding automotive software for 25 years. It provides a comprehensive solution ... Read More about ProMax Unlimited |
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Free Trial Availability |
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User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | 51-500 employees500+ employees | 51-500 employees500+ employees |
Get pricing help | Get pricing help |
Software Demo
Demo | Auction123 has not given any software demo yet If you're the owner of this profile, add your demo.Contact us |
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How do Auction123 and ProMax Unlimited Compare on Features?
Total Features | 4 Features | 4 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Auction123 and ProMax Unlimited on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
Pricing Option | ||
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Other Details
Organization Types supported |
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Platforms Supported |
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Modes of support |
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API Support |
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Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
HIPAA | ✗ No | ✗ No |
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Data Residency | 🇺🇸 US | 🇺🇸 US |
Auction123 User Reviews & Rating Comparison
User Ratings | ||
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Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Overall positive sentiment highlighting strong integration capabilities but limited by lack of transparent pricing and few user reviews. What buyers like
Common complaints
| Buyer sentiment Overall positive sentiment highlighting robust features and industry expertise, tempered by limited user feedback and pricing opacity. What buyers like
Common complaints
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product |
Media and Screenshots
Videos | No videos available. | ![]() 2 Videos |
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Top Alternatives to Auction123 and ProMax Unlimited in 2026
Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, Auction123 or ProMax Unlimited?
- ProMax Unlimited edges out the other on user ratings (4.5 vs 4.3). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Auction123 and ProMax Unlimited offer a free trial?
- Neither Auction123 nor ProMax Unlimited currently lists a free trial.
- What is the starting price of Auction123 vs ProMax Unlimited?
- Auction123 starts at Contact for pricing. ProMax Unlimited starts at Contact for pricing.
- What are the top alternatives to Auction123?
- Top alternatives to Auction123 include AutoPoint, Qualified, Workvivo, DealersCloud, Advent DMS.
- What are the top alternatives to ProMax Unlimited?
- Top alternatives to ProMax Unlimited include MaxCustomer, SalesPro CRM, AutoPoint, Qualified, Workvivo.


