--- title: "Ally Bank vs PenFed Credit Union: Which is more popular in the United States?" description: "Is Ally Bank or PenFed Credit Union more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Auto loan brands 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/ally-bank-vs-penfed" publisher: "Brandwave" --- # Ally Bank vs PenFed Credit Union: Which is more popular in the United States? Is Ally Bank or PenFed Credit Union more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Auto loan brands 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**: Ally Bank and PenFed Credit Union - **Competitive set**: Auto loan brands - **Market**: United States - **Month measured**: Oct 2026 - **Ally Bank Share of Search**: 1.3% - **PenFed Credit Union Share of Search**: 1.6% ## Is Ally Bank or PenFed Credit Union more popular in search? - In October 2026, PenFed Credit Union had more branded searches than Ally Bank among auto loan brands in the United States. PenFed Credit Union had about 6,600 branded searches, while Ally Bank had 5,400. PenFed Credit Union made up 1.6% of all auto loan brand searches we track, and Ally Bank accounted for 1.3%. - The lead changed hands once in the 12 months ending October 2026: PenFed Credit Union took it in December 2025. - Across the 12 months ending October 2026, Ally Bank’s share of searches among auto loan brands in the United States moved from 1.5% to 1.3%, and its estimated monthly branded searches moved from 6.6K to 5.4K. - Across the 12 months ending October 2026, PenFed Credit Union’s share of searches among auto loan brands in the United States moved from 1.2% to 1.6%, and its estimated monthly branded searches moved from 5.4K to 6.6K. ## Top auto loan brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, PenFed Credit Union was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Ally Bank did not appear in any of the five answers. 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 | | --- | --- | --- | --- | --- | | PenFed Credit Union | 1st | 3 of 3 | 1 of 2 | 4 of 5 | | Capital One | 2nd | 3 of 3 | 1 of 2 | 4 of 5 | | Navy Federal Credit Union | 3rd | 3 of 3 | 1 of 2 | 4 of 5 | | Bank of America | 4th | 1 of 3 | 1 of 2 | 2 of 5 | | myAutoloan | 5th | 2 of 3 | 0 of 2 | 2 of 5 | | LightStream | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Wells Fargo | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Chase | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Carvana | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Ally Bank | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about auto loan brands - Asked ChatGPT "Which auto loan brand should I use in the US?": 1. PenFed Credit Union, 2. Capital One, 3. Navy Federal Credit Union - Asked ChatGPT "What are the best auto loan brands in the US?": 1. PenFed Credit Union, 2. Capital One, 3. Navy Federal Credit Union, 4. myAutoloan - Asked ChatGPT "What's the best auto loan brand in the US for a used car?": 1. PenFed Credit Union, 2. Capital One, 3. Navy Federal Credit Union, 4. myAutoloan, 5. Bank of America - Searched Google, AI Overview "auto loan rates": 1. PenFed Credit Union, 2. Navy Federal Credit Union, 3. Bank of America, 4. Capital One - Searched Google, AI Overview "car loan rates": named none of the brands we track Not named in any answer: LightStream, Wells Fargo, Chase, Carvana and Ally Bank. Brands are listed in the order each answer named them. The answers were collected in United States on October 19, 2026. ## How did search popularity change for United States auto loan brands in October 2026? - In October 2026, Ally Bank fell from 8th to 9th among auto loan brands in the United States. - Estimated monthly branded searches for PenFed Credit Union in the United States rose 22.2% over 12 measured months, from 5.4K to 6.6K in October 2026. ## How has branded search for Ally Bank and PenFed Credit Union changed in the United States over the last 12 months? | Month | Ally Bank estimated searches | Ally Bank Share of Search | Ally Bank rank | PenFed Credit Union estimated searches | PenFed Credit Union Share of Search | PenFed Credit Union rank | | --- | --- | --- | --- | --- | --- | --- | | Nov 2025 | 6.6K | 1.5% | 7 | 5.4K | 1.2% | 8 | | Dec 2025 | 6.6K | 1.3% | 8 | 9.9K | 2% | 7 | | Jan 2026 | 8.1K | 1.4% | 8 | 14.8K | 2.6% | 7 | | Feb 2026 | 8.1K | 1.5% | 8 | 14.8K | 2.8% | 7 | | Mar 2026 | 8.1K | 1.3% | 8 | 14.8K | 2.4% | 7 | | Apr 2026 | 8.1K | 1.4% | 8 | 14.8K | 2.6% | 7 | | May 2026 | 8.1K | 1.5% | 8 | 12.1K | 2.2% | 7 | | Jun 2026 | 8.1K | 1.5% | 8 | 9.9K | 1.8% | 7 | | Jul 2026 | 8.1K | 1.4% | 8 | 8.1K | 1.4% | 9 | | Aug 2026 | 6.6K | 1.2% | 8 | 9.9K | 1.8% | 7 | | Sep 2026 | 6.6K | 1.4% | 8 | 9.9K | 2% | 7 | | Oct 2026 | 5.4K | 1.3% | 9 | 6.6K | 1.6% | 7 | ## How are Ally Bank’s and PenFed Credit Union’s branded searches counted? Brandwave collects information about searches that people make online using Ally Bank’s and PenFed Credit Union’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. - **Ally Bank**: Measured on the search term “ally auto loan”. - **PenFed Credit Union**: Measured on the search terms “penfed auto loan” and “penfed credit union auto loan”, summed into one figure. - [Ally Bank profile](/demand/us/brands/ally-bank) - [PenFed Credit Union profile](/demand/us/brands/penfed) - [All auto loan brands in the United States](/demand/us/categories/us-auto-loan-brands): The set both shares are measured inside, 10 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 Ally Bank or PenFed Credit Union more popular in search? In October 2026, PenFed Credit Union had more branded searches than Ally Bank among auto loan brands in the United States. PenFed Credit Union had about 6,600 branded searches, while Ally Bank had 5,400. PenFed Credit Union made up 1.6% of all auto loan brand searches we track, and Ally Bank accounted for 1.3%. ## Cite this page Brandwave. "Ally Bank vs PenFed Credit Union: Which is more popular in the United States?". https://gobrandwave.com/demand/us/compare/ally-bank-vs-penfed This page is also available as HTML at https://gobrandwave.com/demand/us/compare/ally-bank-vs-penfed. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.