--- title: "National Car Rental vs Sixt: Which is searched more in the United States?" description: "Is National Car Rental or Sixt more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Car rental companies set in the United States. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time." canonical: "https://gobrandwave.com/demand/us/compare/national-car-rental-vs-sixt" publisher: "Brandwave" --- # National Car Rental vs Sixt: Which is searched more in the United States? Is National Car Rental or Sixt more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Car rental companies set in the United States. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time. ## Key facts - **Compared**: National Car Rental and Sixt - **Competitive set**: Car rental companies - **Market**: United States - **Month measured**: Sep 2026 - **National Car Rental Share of Search**: 13.3% - **Sixt Share of Search**: 4% ## Is National Car Rental or Sixt more popular in search? - In September 2026, National Car Rental had more branded searches than Sixt among car rental companies in the United States. National Car Rental had about 823,000 branded searches, while Sixt had 246,000. National Car Rental made up 13.3% of all car rental company searches we track, and Sixt accounted for 4%. - National Car Rental was ahead of Sixt in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, National Car Rental’s share of searches among car rental companies in the United States moved from 12.9% to 13.3%, and its estimated monthly branded searches held steady at 823K. - Across the 12 months ending September 2026, Sixt’s share of searches among car rental companies in the United States moved from 3.1% to 4%, and its estimated monthly branded searches moved from 201K to 246K. ## Top car rental companies in ChatGPT and Google AI Overviews In three ChatGPT questions and one Google AI Overview, National Car Rental was mentioned in two out of four: in two of the three ChatGPT answers, but not in the Google AI Overview. Sixt was mentioned in one out of four: in one of the three ChatGPT answers, but not in the Google AI Overview. National Car Rental was listed before Sixt in every answer that named either. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Enterprise Rent-A-Car | 1st | 2 of 3 | 1 of 1 | 3 of 4 | | Alamo | 2nd | 3 of 3 | 1 of 1 | 4 of 4 | | Hertz | 3rd | 2 of 3 | 1 of 1 | 3 of 4 | | Budget | 4th | 3 of 3 | 1 of 1 | 4 of 4 | | National Car Rental | 5th | 2 of 3 | 0 of 1 | 2 of 4 | | Avis | 6th | 1 of 3 | 1 of 1 | 2 of 4 | | Sixt | 7th | 1 of 3 | 0 of 1 | 1 of 4 | | Turo | Not ranked | 0 of 3 | 0 of 1 | 0 of 4 | ## Every AI answer about car rental companies - Asked ChatGPT "Which car rental company should I use in the US?": 1. Enterprise Rent-A-Car, 2. National Car Rental, 3. Alamo, 4. Hertz, 5. Budget - Asked ChatGPT "What are the best car rental companies in the US?": 1. Enterprise Rent-A-Car, 2. National Car Rental, 3. Hertz, 4. Avis, 5. Alamo, 6. Budget, 7. Sixt - Asked ChatGPT "What's the cheapest car rental company at US airports?": 1. Budget, 2. Alamo - Searched Google, AI Overview "rental cars": 1. Enterprise Rent-A-Car, 2. Hertz, 3. Alamo, 4. Budget, 5. Avis Not named in any answer: Turo. Brands are listed in the order each answer named them. The answers were collected in United States on October 22, 2026. ## How did search popularity change for United States car rental companies in September 2026? - In September 2026, National Car Rental overtook Avis to rank 4th among car rental companies in the United States, with 13.3% of the searches. - In September 2026, Sixt gained share of searches among car rental companies in the United States, from 3.5% to 4%. ## Month by month | Month | National Car Rental estimated searches | National Car Rental Share of Search | National Car Rental rank | Sixt estimated searches | Sixt Share of Search | Sixt rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 823K | 12.9% | 5 | 201K | 3.1% | 8 | | Nov 2025 | 673K | 10.8% | 5 | 201K | 3.2% | 8 | | Dec 2025 | 673K | 10.3% | 5 | 246K | 3.8% | 8 | | Jan 2026 | 673K | 11.1% | 5 | 246K | 4% | 8 | | Feb 2026 | 673K | 11.3% | 5 | 246K | 4.1% | 8 | | Mar 2026 | 823K | 10.9% | 6 | 246K | 3.2% | 8 | | Apr 2026 | 823K | 12.1% | 6 | 246K | 3.6% | 8 | | May 2026 | 823K | 11.5% | 6 | 246K | 3.4% | 8 | | Jun 2026 | 1M | 13.6% | 4 | 301K | 4.1% | 8 | | Jul 2026 | 823K | 11.5% | 5 | 301K | 4.2% | 8 | | Aug 2026 | 823K | 11.6% | 5 | 246K | 3.5% | 8 | | Sep 2026 | 823K | 13.3% | 4 | 246K | 4% | 8 | ## How each brand is measured Brandwave collects information about searches that people make online using National Car Rental’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. - **National Car Rental**: Measured on the search term “national car rental”. - **Sixt**: Measured on the search term “sixt”. - [National Car Rental profile](/demand/us/brands/national-car-rental) - [Sixt profile](/demand/us/brands/sixt) - [All car rental companies in the United States](/demand/us/categories/us-car-rental-companies): The set both shares are measured inside, 8 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is National Car Rental or Sixt more popular in search? In September 2026, National Car Rental had more branded searches than Sixt among car rental companies in the United States. National Car Rental had about 823,000 branded searches, while Sixt had 246,000. National Car Rental made up 13.3% of all car rental company searches we track, and Sixt accounted for 4%. ## Cite this page Brandwave. "National Car Rental vs Sixt: Which is searched more in the United States?". https://gobrandwave.com/demand/us/compare/national-car-rental-vs-sixt This page is also available as HTML at https://gobrandwave.com/demand/us/compare/national-car-rental-vs-sixt. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.