Brandwave

Budget vs Sixt:Which is more popular?

In September 2026, Sixt had more branded searches than Budget among car rental companies in Australia. Sixt had about 60,500 branded searches, while Budget had 49,500. Sixt made up 17.3% of all car rental company searches we track, and Budget accounted for 14.2%. When we asked ChatGPT and Google AI Overviews about car rental companies, both Budget and Sixt appeared in all five answers. Sixt was mentioned before Budget in three out of five answers.

Among car rental companies in Australia in September 2026

Who do people search for more?

Sixt, about 22% more searches than Budget

Sixt 60.5K searchesBudget 49.5K searches

Who does AI mention more?

Both are mentioned in every answer we collected.

Budget in 5 of 5Sixt in 5 of 5

Who does AI recommend more?

Sixt, named ahead of Budget in 3 of 5 answers

Sixt first in 3Budget first in 2

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Top car rental companies in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, both Budget and Sixt showed up in all five answers. Sixt was listed before Budget in three of them.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Sixt1st
  2. Budget2nd
  3. Avis3rd
  4. East Coast Car Rentals4th
  5. Hertz5th
  6. Europcar6th
  7. Thrifty7th

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

Brands are shown in the order each answer named them. The survey took place in Australia on October 22, 2026.

Is Budget or Sixt more popular in search?

This chart shows how often people search Google for Budget 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.

Budget and Sixt among car rental companies in Australia, by month

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

View monthly share of searches table
MonthHertzEuropcarSixtAvisBudgetEast Coast Car RentalsThrifty
Oct 202537.1%13.6%13.6%13.6%11.1%6.1%5%
Nov 202536.2%13.3%13.3%13.3%13.3%5.9%4.9%
Dec 202536.6%13.4%13.4%11%13.4%7.3%4.9%
Jan 202633.7%15.1%15.1%12.4%12.4%6.8%4.5%
Feb 202635.4%15.9%13%13%13%5.8%3.9%
Mar 202634.7%12.7%12.7%15.6%12.7%7%4.7%
Apr 202632.4%14.5%14.5%11.9%14.5%7.9%4.3%
May 202632%14.4%14.4%14.4%11.7%7.9%5.3%
Jun 202629%16%16%13.1%13.1%7.1%5.9%
Jul 202625.2%16.8%16.8%13.8%13.8%7.5%6.2%
Aug 202623.7%15.8%15.8%15.8%15.8%7.1%5.8%
Sep 202621.2%17.3%17.3%14.2%14.2%9.5%6.4%

How has the Budget and Sixt comparison changed over the last 12 months?

3 findings
  • Sixt was ahead of Budget in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Budget’s share of searches among car rental companies in Australia moved from 11.1% to 14.2%, and its estimated monthly branded searches held steady at 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
  1. In September 2026, Europcar overtook Avis and Budget to rank 2nd among car rental companies in Australia, with 17.3% of the searches.

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

  3. In September 2026, Budget 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 Budget’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.

Budget

1 branded search term

  • budget car rental

Sixt

1 branded search term

  • sixt

How the Brand Demand Index is measured

Other head-to-heads among car rental companies

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