Reported ranking
Best and worst sites for AI agents to travel / modify car rental.
Ranked from recent CrawlDex observations. Last verified Jun 13, 2026. Based on 23 observations.
Publication status
Search-ready- 12
- ranked websites
- 80
- best AES
- 0
- hardest AES
- 73%
- board handoff share
Search indexing requires at least eight recent qualifying rows. This page still serves the full table for agents and humans when the count is lower.
Ranked table
All ranked sites for agents trying to travel / modify car rental
Outcome signal is shown on the same 0-100 scale as the public AES board until split outcome rates are exposed by the board feed.
| Rank | Site | AES | Outcome signal | Top blocker | Last verified |
|---|---|---|---|---|---|
| 1 | Discovercars discovercars.com | 80 | 80% | login walls | Jun 9, 2026 |
| 2 | Sixt sixt.com | 80 | 80% | login walls | Jun 9, 2026 |
| 3 | Turo turo.com | 80 | 80% | login walls | Jun 9, 2026 |
| 4 | Zipcar zipcar.com | 80 | 80% | login walls | Jun 9, 2026 |
| 5 | Alamo alamo.com | 73 | 73% | login walls | Jun 13, 2026 |
| 6 | Avis avis.com | 73 | 73% | login walls | Jun 13, 2026 |
| 7 | Budget budget.com | 72 | 72% | login walls | Jun 13, 2026 |
| 8 | Nationalcar nationalcar.com | 72 | 72% | login walls | Jun 13, 2026 |
| 9 | Enterprise enterprise.com | 70 | 70% | login walls | Jun 13, 2026 |
| 10 | Hertz hertz.com | 40 | 40% | unstable page controls | Jun 9, 2026 |
| 11 | Dollar dollar.com | 0 | 0% | navigation failed | Jun 9, 2026 |
| 12 | Thrifty thrifty.com | 0 | 0% | navigation failed | Jun 9, 2026 |
Worst-of section
The hardest reported sites for AI agents
AES 0
Thrifty
Top blocker: navigation failed. Last verified Jun 9, 2026. Low confidence, 1 observations.
AES 0
Dollar
Top blocker: navigation failed. Last verified Jun 9, 2026. Low confidence, 1 observations.
AES 40
Hertz
Top blocker: unstable page controls. Last verified Jun 9, 2026. Low confidence, 1 observations.
AES 70
Enterprise
Top blocker: login walls. Last verified Jun 13, 2026. Low confidence, 3 observations.
AES 72
Nationalcar
Top blocker: login walls. Last verified Jun 13, 2026. Low confidence, 3 observations.
AES 72
Budget
Top blocker: login walls. Last verified Jun 13, 2026. Low confidence, 3 observations.
AES 73
Avis
Top blocker: login walls. Last verified Jun 13, 2026. Low confidence, 3 observations.
AES 73
Alamo
Top blocker: login walls. Last verified Jun 13, 2026. Low confidence, 4 observations.