Auto Loan Refinance Calculator

Calculate potential savings by refinancing your auto loan to a lower rate or different term.

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Auto Refinance Loan Details

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Compare Loan Terms

24 months
Monthly:$895.45
Total interest:$1,491
Save vs longest:$3,060
36 months
Monthly:$617.54
Total interest:$2,232
Save vs longest:$2,319
48 monthsCurrent
Monthly:$478.92
Total interest:$2,988
Save vs longest:$1,562
60 months
Monthly:$396.02
Total interest:$3,761
Save vs longest:$789
72 months
Monthly:$340.98
Total interest:$4,551

Loan Summary

Monthly Payment

$478.92

4 years at 7.00% APR

Loan Details

Vehicle Price:$20,000
Amount Financed:$20,000
Interest Rate:7.00% APR
Loan Term:4 years (48 months)

Total Cost

Total of 48 payments:$22,988.39
Total Interest Paid:$2,988.39
Total Amount Paid:$22,988.39

First Year Payment Breakdown

MonthPrincipalInterestBalance
1$362.26$116.67$19,638
2$364.37$114.55$19,273
3$366.5$112.43$18,907
4$368.63$110.29$18,538
5$370.79$108.14$18,167
6$372.95$105.98$17,795
7$375.12$103.8$17,419
8$377.31$101.61$17,042
9$379.51$99.41$16,663
10$381.73$97.2$16,281
11$383.95$94.97$15,897
12$386.19$92.73$15,511

Early payments are mostly interest. Principal portion increases over time.

Principal vs Interest Over Time

Term Comparison

Loan Balance Over Time

💡 Tips

  • Best to refinance within first 2 years of loan
  • Rates dropped 2%+? Refinancing likely saves money
  • Check for prepayment penalties on current loan
  • Your credit improved? You may qualify for better rate

⚠️ Important Considerations

  • Extending term lowers payment but increases total interest
  • Some lenders have minimum loan amounts
  • Car must meet age and mileage requirements
  • Title transfer fees may apply

🚗 Transportation & Vehicle Data Sources

AAA Annual Cost of Vehicle Ownership (2024):

• Average annual cost: $12,297 ($1,025/month) for 15,000 miles/year
• Small sedan: ~$8,500/year
• Medium SUV: ~$12,000/year
• Pickup truck: ~$13,500/year
• Includes depreciation, fuel, insurance, maintenance, registration, financing
→ Source: AAA - Your Driving Costs

Vehicle Depreciation Benchmarks (2025):

• New vehicles typically lose 20-30% of value in the first year
• Average 5-year depreciation across all vehicles: ~45-50%
• Trucks and SUVs with high demand retain closer to 55-60%
→ Source: Car and Driver - Depreciation Analysis

Powertrain Depreciation (iSeeCars Market Data 2025):

• Hybrids average 40.7% depreciation after 5 years (best retention)
• Gasoline & mixed powertrains average 45.6% depreciation after 5 years
• Battery electric vehicles average 58.8% depreciation after 5 years (worst retention)
→ Source: iSeeCars 5-Year Depreciation Study (2025)

EV & Plug-In Depreciation Dynamics:

• Historical trend: Plug-in vehicles depreciate faster than conventional vehicles
• Improvements in battery tech are narrowing the depreciation gap
• Used EV pricing is heavily influenced by federal tax credits and rapid tech cycles
→ Source: Argonne National Lab - Residual Value Trends
→ Source: Recurrent Auto - Used EV Buying Report

Electric Vehicle (EV) Federal Tax Credit (2024-2025):

• Up to $7,500 tax credit for new EVs
• Up to $4,000 for used EVs (price cap $25,000)
• Income limits apply: $300k joint, $225k head of household, $150k single
• Vehicle must meet domestic assembly and battery component requirements
→ Source: IRS - Clean Vehicle Credits

Average Fuel Costs (2024-2025):

• Regular gasoline: $3.10-3.60/gallon (national average)
• Diesel: $3.50-4.20/gallon
• Electricity for EVs: $0.11-0.16/kWh (home charging), equivalent to $0.80-1.20/gallon
• At 12,000 miles/year: Gas car (25 mpg) = $1,680/yr | EV (3.5 mi/kWh) = $620/yr
→ Source: U.S. Energy Information Administration

Average Auto Insurance Costs (2024):

• Full coverage: $2,008/year ($167/month) national average
• Minimum liability: $622/year ($52/month)
• Varies significantly by state, age, driving record, and vehicle
→ Source: National Association of Insurance Commissioners (NAIC)

Maintenance Costs:

• Average annual maintenance/repairs: $1,186 per vehicle
• EVs: ~40% lower maintenance costs (no oil changes, fewer brake repairs)
• Luxury vehicles: 1.5-2x higher maintenance than economy cars
→ Source: AAA - Vehicle Maintenance Costs

Lease vs. Buy Statistics:

• ~30% of new vehicles are leased (down from 35% pre-pandemic)
• Average lease: $578/month for 36 months
• Typical lease mileage allowance: 12,000-15,000 miles/year
• Excess mileage fees: $0.15-0.30 per mile over limit
→ Source: Edmunds - Leasing Statistics

Note: Transportation costs vary widely by location, vehicle type, and usage. Urban dwellers may save significantly by using public transit or rideshare instead of owning.

⚠️ Important Disclaimer

This Auto Loan Refinance Calculator provides estimates for educational and informational purposes only. Actual results may vary significantly based on individual circumstances, market conditions, regulatory changes, and other factors beyond the scope of this calculator.

The calculations and projections provided are based on assumptions and historical data that may not reflect future performance.Past performance does not guarantee future results.

This tool is not financial advice, tax advice, legal advice, or investment advice. For personalized guidance tailored to your specific situation, please consult with qualified professionals including:

  • Certified Financial Planner (CFP)
  • Certified Public Accountant (CPA) for tax matters
  • Licensed attorney for legal matters
  • Registered Investment Advisor (RIA) for investment decisions

Data Accuracy: All data sources, statistics, and rates were verified as accurate as of October 2025. Tax rates, market conditions, and other financial data change over time. Always verify current rates and consult official sources.

No Warranties: While we strive for accuracy, we make no warranties or guarantees regarding the accuracy, completeness, or reliability of any information provided. Use this tool at your own risk.