Brandwave

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.

Among rental car companies worldwide in September 2026

Who do people search for more?

Hertz, about 22% more searches than Sixt

Hertz 2.2M searchesSixt 1.8M searches

Who does AI mention more?

Hertz, mentioned in 3 of 5 answers, Sixt in 1

Hertz in 3 of 5Sixt in 1 of 5

Who does AI recommend more?

Hertz, named ahead of Sixt in 3 of 4 answers

Hertz first in 3Sixt first in 1

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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.

  1. Enterprise Rent-A-Car1st
  2. Budget2nd
  3. National Car Rental3rd
  4. Hertz4th
  5. Avis5th
  6. Sixt6th
  7. Europcar–
  8. Turo–
  9. 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

Not named in any answer:

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.

Hertz and Sixt among rental car companies worldwide, by month

Share of searches by month for Hertz, Sixt. The figures are in the table below the chart.

View monthly share of searches table
MonthHertzAvisSixtBudgetEuropcarEnterprise Rent-A-CarNational Car RentalTuroThrifty
Oct 202520.6%16.9%11.3%13.8%11.3%9.2%7.5%7.5%1.9%
Nov 202523.1%15.4%12.7%12.7%10.3%10.3%6.9%6.9%1.7%
Dec 202522.6%15.1%12.4%12.4%10.1%12.4%6.8%6.8%1.7%
Jan 202621.8%17.9%12%12%12%8%6.6%8%2%
Feb 202622.8%15.2%12.5%12.5%10.1%8.3%8.3%8.3%2%
Mar 202622.3%18.3%12.2%12.2%10%8.1%6.7%8.1%2%
Apr 202619.7%16.1%13.2%13.2%10.8%8.8%7.2%8.8%2.2%
May 202619.5%15.9%13%13%10.7%8.7%8.7%8.7%1.8%
Jun 202619.1%15.6%12.7%12.7%12.7%8.5%8.5%8.5%1.7%
Jul 202618.5%15.1%15.1%12.3%12.3%10.1%6.7%8.2%1.7%
Aug 202619%15.5%12.7%12.7%12.7%10.4%6.9%8.5%1.7%
Sep 202618.2%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
  1. In September 2026, Sixt overtook Budget and Europcar to rank 3rd among rental car companies worldwide, with 14.9% of the searches.

  2. 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.

Hertz

1 branded search term

  • hertz

Sixt

1 branded search term

  • sixt

How the Brand Demand Index is measured

Other head-to-heads among rental car companies

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