Credit unions in the Boston area beat banks on auto loan rates for a 2023 Tesla Model 3. They offer 4.49% to 5.70% APR. Banks run 6.00% to 8.00% or higher. On a $30,000 loan over 60 months, this gap cuts your monthly payment by $30 to $60.
Credit unions keep rates low because they return profits to members. They charge fewer fees too. Banks aim for higher profits, so they set steeper rates.
Check these recent rate examples for the Boston area:
| Lender | New or Low Mileage APR | Used 2023 Model 3 APR | Common Terms |
|---|---|---|---|
| Mass Bay Credit Union | 4.49% | 4.99% | Up to 48 months |
| Community Credit Union | 5.00% to 5.25% | 5.50% | 24 to 84 months |
| Harvard FCU | 5.70% | 5.70% | Up to 60 months |
| Brookline Municipal CU | 4.75% to 5.00% | Similar to new | Shorter terms |
| Tremont CU | 5.99% | 5.99% | Up to 60 months |
Credit unions often beat banks by 1% to 2%. Take a $25,000 loan over 60 months. At 5.00% APR, you pay $472 monthly. At 7.00%, you pay $495. You save $23 each month and $1,380 over the loan.
Your rate depends on these factors:
- Credit score: Top scores get the best APRs.
- Loan term: Pick 36 or 48 months to pay less interest than 72 or 84 months.
- Vehicle age and miles: Newer low-mileage cars qualify for top rates.
- Down payment: Put more money down to lower your rate.
- Perks: Set up autopay or direct deposit for discounts.
Lock in the best rate with these steps:
- Pull your credit report now. Fix errors and lower card balances.
- Join a local credit union. Many in Greater Boston welcome new members with easy rules and a small deposit. Check ones near 01760.
- Get preapprovals from 2 to 3 lenders. Compare APR, terms, fees, and prepay options.
- Shop multiple terms. A 48-month loan saves hundreds in interest over longer ones.
- Ask about EV deals. Some offer special rates or longer terms for Tesla Model 3.
- Check dealer financing last. Credit unions usually win on price.
Rates shift with markets and your details like credit and income. Call lenders to verify current APRs and fees before you commit.
Sidekick shows all ownership costs and financing choices for your 2023 Tesla Model 3 in one view.

