Sidekick
• CHAT OR TALK TO SIDEKICK •
Sidekick
Back to Learn
Financing
Financing|8 min read

Banks vs Credit Unions vs Online Lenders

Compare auto loan sources to find the best rates and terms for your situation.

The lender you choose can cost or save you thousands. Here's how to pick the right one.


The Three Main Types of Auto Lenders

When you need a car loan, you have three main options: traditional banks, credit unions, and online lenders. Each has distinct advantages and drawbacks.

Quick comparison:

FactorBanksCredit UnionsOnline Lenders
Average rates7.5% - 12%5.5% - 9%6% - 15%
Approval speed1-3 days1-5 daysMinutes to 1 day
Membership neededNoYesNo
Relationship benefitsYesYesLimited
Best forExisting customersBest ratesSpeed, convenience

Traditional Banks

What They Offer

Big banks like Chase, Bank of America, and Wells Fargo provide auto loans alongside their other banking services.

Pros:

  • One-stop banking: manage loan, checking, and savings in one place
  • Relationship discounts for existing customers (0.25% - 0.50% off)
  • Strong mobile apps and customer service
  • Pre-approval available before car shopping

Cons:

  • Higher rates than credit unions (typically 1-2% more)
  • Stricter credit requirements
  • Less flexibility on terms
  • May push you toward dealer financing

Best For

Banks work best if you:

  • Already bank with them and can get relationship discounts
  • Have good to excellent credit (680+)
  • Value convenience over the absolute lowest rate
  • Want a familiar, established institution

Credit Unions

What They Offer

Credit unions are nonprofit financial cooperatives owned by their members. This structure lets them offer lower rates and fees.

Pros:

  • Lowest rates available (often 1-3% below banks)
  • More flexible approval criteria
  • Lower fees and no origination charges
  • Personal service and member-focused approach
  • Often fund loans banks won't

Cons:

  • Membership required (usually easy to join)
  • Fewer branches and ATMs
  • Technology may lag behind big banks
  • Approval process can take longer

How to Join

Most credit unions have broad membership eligibility:

  • Live, work, or worship in a certain area
  • Work for certain employers
  • Join through a family member
  • Pay a small fee to join a qualifying organization

Top credit unions for auto loans:

  • PenFed Credit Union (open to anyone who joins PenFed Foundation for $17)
  • Navy Federal (military and family)
  • Alliant Credit Union (easy membership)
  • DCU (Digital Federal Credit Union)

Best For

Credit unions work best if you:

  • Want the lowest possible rate
  • Have average credit (620-680) and need flexibility
  • Don't mind the membership process
  • Value personal service over speed

Online Lenders

What They Offer

Online lenders like LightStream, Carvana, and Capital One Auto Navigator operate entirely digitally.

Pros:

  • Fast approval (often minutes)
  • Easy comparison shopping
  • Competitive rates for good credit
  • No branch visits needed
  • Many specialize in refinancing

Cons:

  • Rates vary widely by credit score
  • Less personal service
  • Some charge origination fees
  • May have stricter vehicle requirements

Popular Online Lenders

LenderBest ForMin CreditRate Range
LightStreamExcellent credit660+6.49% - 12%
Capital OnePre-approval500+7% - 21%
myAutoloanComparison shopping500+Varies
CarvanaBuying from Carvana500+7% - 27%
CaribouRefinancing550+Varies

Best For

Online lenders work best if you:

  • Want quick approval and funding
  • Have excellent credit and want competitive rates
  • Prefer managing everything digitally
  • Are refinancing an existing loan

Dealer Financing: The Fourth Option

Car dealers don't lend their own money. They act as middlemen, connecting you with banks and captive lenders (like Ford Motor Credit or Toyota Financial Services).

Why dealers push financing:

  • They earn a commission (often 1-2% of the loan amount)
  • They can mark up the rate the lender offers them
  • Financing customers are more likely to buy add-ons

When dealer financing makes sense:

  • Manufacturer offers 0% or low promotional rates (new cars only)
  • You need one-stop convenience
  • You couldn't get pre-approved elsewhere

When to avoid:

  • Rates are higher than your pre-approval
  • They pressure you to extend the term
  • You feel rushed to decide

How to Get the Best Rate

Step 1: Check Your Credit Score

Your credit score determines which lenders will approve you and at what rate.

Credit ScoreYour Best Option
750+Online lenders or credit unions
700-749Credit unions or banks with relationship
650-699Credit unions
Below 650Credit unions or specialized lenders

Step 2: Get Pre-Approved by Multiple Lenders

Apply to 3-5 lenders within a 14-day window. Credit bureaus treat this as a single inquiry.

Suggested approach:

  1. Your bank (if you have a relationship)
  2. Two credit unions
  3. One or two online lenders

Step 3: Compare Total Costs

Don't just look at the rate. Compare:

  • APR (includes fees)
  • Total interest over the loan
  • Monthly payment
  • Loan term
  • Origination fees

Step 4: Use Pre-Approval as Leverage

Bring your best pre-approval to the dealer. They may beat it, but now you have a baseline.


Rate Comparison Example

For a $25,000 loan over 60 months with a 700 credit score:

Lender TypeTypical RateMonthly PaymentTotal Interest
Credit Union6.5%$489$4,340
Online Lender7.5%$500$5,000
Bank8.5%$512$5,720
Dealer (marked up)9.5%$524$6,440

The credit union saves you $2,100 compared to the dealer markup.


Common Questions

Q: Can I use any lender to buy from a dealer? A: Yes. Dealers must accept outside financing. Get your pre-approval check before visiting.

Q: Should I always choose the lowest rate? A: Usually, but consider the total package. A slightly higher rate with no fees might beat a lower rate with $500 in origination fees.

Q: What if I get rejected? A: Credit unions are most likely to work with you. Consider a co-signer, larger down payment, or building credit before applying.

Q: How long does pre-approval last? A: Typically 30-60 days. Check with your lender.


The Bottom Line

For most buyers, credit unions offer the best combination of low rates and flexible terms. They're worth the small effort to join.

Action steps:

  1. Check your credit score
  2. Join a credit union with good auto loan rates
  3. Get pre-approved before shopping
  4. Compare with 2-3 other lenders
  5. Use your best offer as leverage at the dealer

The right lender can save you $1,000-$3,000 over the life of your loan. A few hours of research pays off.


Last updated: January 2025

Ready to see how much you could save?

Get a personalized analysis of your vehicle costs and discover opportunities specific to your car.

Get Your Free Score