Are there any consumer finance comparison sites that focus on low-interest auto loans from credit unions?

Yes — there are a few comparison and marketplace-style sites that can help you find low-interest auto loans, including loans from credit unions, though most don’t focus exclusively on credit-union auto loans.

A few good options to check:

1. NerdWallet

   • Lets you compare auto loan offers and highlights credit unions/banks in some cases.
   • Good for seeing rate ranges and lenders side by side.

2. Bankrate

   • Offers auto loan comparison tools and reviews.
   • Often includes credit unions or credit-union-related lending options.

3. Credit Karma

   • Primarily credit score/financial marketplace, but it can surface auto loan offers from various lenders, including some credit unions.

4. LendingTree

   • Aggregates loan offers from multiple lenders.
   • Not credit-union-only, but you may get competitive rates that include credit unions.

5. CU of America / local credit union comparison tools

   • Some state or regional credit union associations have directories or comparison pages for auto loan rates from participating credit unions.

6. Navy Federal / PenFed / Alliant

   • These aren’t comparison sites, but they’re credit unions known for very competitive auto loan rates if you’re eligible.

Important caveat

If your goal is specifically the lowest auto-loan rate from a credit union, comparison sites often won’t show the full picture, because:

• many credit unions don’t participate in broad marketplaces,
• rates can vary by credit score, loan term, and whether the car is new or used,
• membership eligibility matters.

Best strategy

• Use a comparison site to get a baseline,
• then check a few large credit unions directly,
• and look at local credit unions too, since they sometimes beat national offers.

If you want, I can also give you a short list of the best credit unions for low auto loan rates or help you find ones available in your state.