Avis vs Sixt:Which is more popular?
In September 2026, Avis and Sixt were level in searches among rental car companies worldwide, with an estimated 1.8M branded searches each, at 14.9% of the total each. When we asked ChatGPT and Google AI Overviews about rental car companies, Avis appeared in three of the five answers and Sixt in one. Avis was mentioned before Sixt in three out of four answers that named either.
Who do people search for more?
Avis and Sixt are searched for about as often as each other.
Who does AI recommend more?
Avis, named ahead of Sixt in 3 of 4 answers
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Top rental car companies in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Avis 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. Avis 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 Avis or Sixt more popular in search?
This chart shows how often people search Google for Avis 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 Avis, 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 Avis and Sixt comparison changed over the last 12 months?
3 findings
- Avis was ahead of Sixt in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Avis’ share of searches among rental car companies worldwide moved from 16.9% to 14.9%, and its estimated monthly branded searches moved from 2.2M to 1.8M.
- 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, Avis lost share of searches among rental car companies worldwide, from 15.5% to 14.9%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Avis’ 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.
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