Should You Refinance Your Auto Loan? (Break-Even Calculator Inside)

Should You Refinance Your Auto Loan? (Break-Even Calculator Inside)

Refinancing your auto loan can cut your monthly expenses by $100-200/month with a 20-minute phone call. But it's not always the right move. Here's exactly how to know if refinancing saves you money.

When Refinancing Makes Sense

• Your credit score has improved significantly since you took out the loan
• Interest rates have dropped since you financed
• You financed through the dealership at a marked-up rate
• You've paid on time for at least 6 months
• Your remaining balance is high enough to make savings meaningful

The Dealership Financing Trap

Dealerships often markup interest rates by 1-3 percentage points. A lender offers 6% APR; dealer tells you 9% APR and pockets the difference. On $35,000 over 60 months, that 3% markup costs $2,800 extra. Refinancing now to 6% saves most of that.

The Break-Even Calculation

Costs of Refinancing

• Origination fee: $0-300 (many charge nothing)
• Prepayment penalty: Check current loan — most auto loans have none
• State transfer fees: $5-75

Typical total: $50-300. Many lenders charge zero.

Real Example

Current loan: $22,000 remaining, 18% APR, 42 months left. Refinanced: $22,000, 8% APR, 42 months.

• Current payment: $649/month
• New payment: $572/month
• Monthly savings: $77
• Total savings over 42 months: $3,234
• Cost of refinancing: ~$75
• Net savings: $3,159

When Refinancing Doesn't Make Sense

• Less than 12 months left on your loan (savings too small)
• You're underwater (car worth less than you owe)
• Your credit score hasn't improved
• You'd extend the loan to dangerous length on an aging vehicle

How to Refinance: Step by Step

1. Get your current loan info (balance, APR, remaining term)
2. Check your credit score
3. Get quotes from 3-4 lenders (banks, credit unions, online lenders)
4. Compare total cost, not just monthly payment
5. Apply with the best offer
6. New lender pays off old loan

Rate shopping within 14-45 days counts as one inquiry.

2026 Auto Loan Rates by Credit Tier

• 720+ (Super Prime): 5-7%
• 660-719 (Prime): 7-10%
• 620-659 (Near Prime): 11-15%
• 580-619 (Subprime): 15-20%

Someone who financed subprime 18 months ago and improved to 700 might save $4,800 in total interest and drop their monthly payment by $100. The 20-minute refinance application is worth doing.

BON Credit may earn compensation from partner offers mentioned in this article.