Hertz vs Sixt:Which is more popular?
In September 2026, Hertz had more branded searches than Sixt among rental car companies worldwide. Hertz had about 2.2 million branded searches, while Sixt had 1.8 million. Hertz made up 18.2% of all rental car company searches we track, and Sixt accounted for 14.9%. When we asked ChatGPT and Google AI Overviews about rental car companies, Hertz appeared in three of the five answers and Sixt in one. Hertz was mentioned before Sixt in three out of four answers that named either.
Follow Hertz vs Sixt and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Top rental car companies in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Hertz was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Sixt was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Hertz was listed before Sixt in three out of four answers that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Enterprise Rent-A-Car1st
Budget2nd
National Car Rental3rd
Hertz4th
Avis5th
Sixt6th
Europcar–
Turo–
Thrifty–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Budget5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Enterprise Rent-A-Car4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
National Car Rental4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Hertz3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Avis3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Sixt1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Europcar0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Turo0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Thrifty0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about rental car companies
5 answers
Asked ChatGPT
“Which rental car company should I book?”
Asked ChatGPT
“What are the best rental car companies?”
Asked ChatGPT
“What's the best rental car company for airport trip?”
Searched Google, AI Overview
“rental car companies”
Searched Google, AI Overview
“best car rental”
Brands are shown in the order each answer named them. The survey took place in the United States on October 19, 2026.
Is Hertz or Sixt more popular in search?
This chart shows how often people search Google for Hertz and Sixt by name. Each line represents a brand's share of searches for all nine rental car companies we track, month by month, from English-language searches worldwide.
Share of searches by month for Hertz, Sixt. The figures are in the table below the chart.
View monthly share of searches table
| Month | Hertz | Avis | Sixt | Budget | Europcar | Enterprise Rent-A-Car | National Car Rental | Turo | Thrifty |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 20.6% | 16.9% | 11.3% | 13.8% | 11.3% | 9.2% | 7.5% | 7.5% | 1.9% |
| Nov 2025 | 23.1% | 15.4% | 12.7% | 12.7% | 10.3% | 10.3% | 6.9% | 6.9% | 1.7% |
| Dec 2025 | 22.6% | 15.1% | 12.4% | 12.4% | 10.1% | 12.4% | 6.8% | 6.8% | 1.7% |
| Jan 2026 | 21.8% | 17.9% | 12% | 12% | 12% | 8% | 6.6% | 8% | 2% |
| Feb 2026 | 22.8% | 15.2% | 12.5% | 12.5% | 10.1% | 8.3% | 8.3% | 8.3% | 2% |
| Mar 2026 | 22.3% | 18.3% | 12.2% | 12.2% | 10% | 8.1% | 6.7% | 8.1% | 2% |
| Apr 2026 | 19.7% | 16.1% | 13.2% | 13.2% | 10.8% | 8.8% | 7.2% | 8.8% | 2.2% |
| May 2026 | 19.5% | 15.9% | 13% | 13% | 10.7% | 8.7% | 8.7% | 8.7% | 1.8% |
| Jun 2026 | 19.1% | 15.6% | 12.7% | 12.7% | 12.7% | 8.5% | 8.5% | 8.5% | 1.7% |
| Jul 2026 | 18.5% | 15.1% | 15.1% | 12.3% | 12.3% | 10.1% | 6.7% | 8.2% | 1.7% |
| Aug 2026 | 19% | 15.5% | 12.7% | 12.7% | 12.7% | 10.4% | 6.9% | 8.5% | 1.7% |
| Sep 2026 | 18.2% | 14.9% | 14.9% | 12.2% | 12.2% | 9.9% | 8.1% | 8.1% | 1.6% |
How has the Hertz and Sixt comparison changed over the last 12 months?
3 findings
- Hertz was ahead of Sixt in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Hertz’s share of searches among rental car companies worldwide moved from 20.6% to 18.2%, and its estimated monthly branded searches moved from 2.7M to 2.2M.
- Across the 12 months ending September 2026, Sixt’s share of searches among rental car companies worldwide moved from 11.3% to 14.9%, and its estimated monthly branded searches moved from 1.5M to 1.8M.
How did search popularity change for rental car companies worldwide in September 2026?
2 changes

In September 2026, Sixt overtook Budget and Europcar to rank 3rd among rental car companies worldwide, with 14.9% of the searches.

In September 2026, Hertz lost share of searches among rental car companies worldwide, from 19% to 18.2%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Hertz’s and Sixt’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Other head-to-heads among rental car companies

Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.