Avis vs Sixt:Which is more popular?
In September 2026, Sixt had more branded searches than Avis among car rental companies in Australia. Sixt had about 60,500 branded searches, while Avis had 49,500. Sixt made up 17.3% of all car rental company searches we track, and Avis accounted for 14.2%. When we asked ChatGPT and Google AI Overviews about car rental companies, Sixt appeared in all five answers and Avis in four. Avis was mentioned before Sixt in three out of five answers.
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Top car rental companies in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Sixt appeared in all five answers. Avis was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Avis was listed before Sixt in three out of five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Sixt5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Budget5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
East Coast Car Rentals5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Hertz4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Avis4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Europcar2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Thrifty1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about car rental companies
5 answers
Asked ChatGPT
“Which car rental company should I use in Australia?”
Asked ChatGPT
“What are the best car hire companies in Australia?”
Asked ChatGPT
“What's the cheapest car hire company at Australian airports?”
Searched Google, AI Overview
“car rental”
Searched Google, AI Overview
“car hire”
Brands are shown in the order each answer named them. The survey took place in Australia on October 22, 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 seven car rental companies we track, month by month, from searches in Australia.
Share of searches by month for Sixt, Avis. The figures are in the table below the chart.
View monthly share of searches table
| Month | Hertz | Europcar | Sixt | Avis | Budget | East Coast Car Rentals | Thrifty |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 37.1% | 13.6% | 13.6% | 13.6% | 11.1% | 6.1% | 5% |
| Nov 2025 | 36.2% | 13.3% | 13.3% | 13.3% | 13.3% | 5.9% | 4.9% |
| Dec 2025 | 36.6% | 13.4% | 13.4% | 11% | 13.4% | 7.3% | 4.9% |
| Jan 2026 | 33.7% | 15.1% | 15.1% | 12.4% | 12.4% | 6.8% | 4.5% |
| Feb 2026 | 35.4% | 15.9% | 13% | 13% | 13% | 5.8% | 3.9% |
| Mar 2026 | 34.7% | 12.7% | 12.7% | 15.6% | 12.7% | 7% | 4.7% |
| Apr 2026 | 32.4% | 14.5% | 14.5% | 11.9% | 14.5% | 7.9% | 4.3% |
| May 2026 | 32% | 14.4% | 14.4% | 14.4% | 11.7% | 7.9% | 5.3% |
| Jun 2026 | 29% | 16% | 16% | 13.1% | 13.1% | 7.1% | 5.9% |
| Jul 2026 | 25.2% | 16.8% | 16.8% | 13.8% | 13.8% | 7.5% | 6.2% |
| Aug 2026 | 23.7% | 15.8% | 15.8% | 15.8% | 15.8% | 7.1% | 5.8% |
| Sep 2026 | 21.2% | 17.3% | 17.3% | 14.2% | 14.2% | 9.5% | 6.4% |
How has the Avis and Sixt comparison changed over the last 12 months?
3 findings
- The lead changed hands 2 times in the 12 months ending September 2026: Avis took it in March 2026, Sixt took it in April 2026.
- Across the 12 months ending September 2026, Avis’ share of searches among car rental companies in Australia moved from 13.6% to 14.2%, and its estimated monthly branded searches moved from 60.5K to 49.5K.
- Across the 12 months ending September 2026, Sixt’s share of searches among car rental companies in Australia moved from 13.6% to 17.3%, and its estimated monthly branded searches held steady at 60.5K.
How did search popularity change for Australia car rental companies in September 2026?
3 changes

In September 2026, Europcar overtook Avis and Budget to rank 2nd among car rental companies in Australia, with 17.3% of the searches.

In September 2026, Sixt overtook Avis and Budget to rank 3rd among car rental companies in Australia, with 17.3% of the searches.

In September 2026, Avis lost share of searches among car rental companies in Australia, from 15.8% to 14.2%.
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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