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Illinois Vehicle Tax Calculator
Estimate your car sales tax, registration fees, and trade-in credits for 2025
Calculate Your Vehicle Taxes
Enter your vehicle details below to estimate your total taxes and fees in Illinois.
Estimated Taxes & Fees
How to Use the Illinois Vehicle Tax Calculator
- Enter the purchase price of your vehicle (before any trade-in value)
- Input your ZIP code to calculate local tax rates
- Add your trade-in value if applicable (only for dealership purchases)
- Select your purchase type (dealership or private sale)
- Click “Calculate Taxes” to see your estimated vehicle taxes
Features of Our Calculator
- Accurate 2025 tax rates – Updated with the latest Illinois vehicle tax information
- ZIP code specific calculations – Estimates local taxes based on your location
- Trade-in credit calculations – Automatically applies the $10,000 maximum credit
- Clear breakdown – Shows exactly how your tax is calculated
- Mobile-friendly – Works perfectly on all devices
- No registration required – Free to use with no personal information needed
Frequently Asked Questions
-
What is the sales tax rate for vehicles in Illinois?
Illinois has a base state sales tax rate of 6.25% for vehicles. Local municipalities may add additional taxes, typically ranging from 0% to 2.75% depending on your location.
-
How does the trade-in credit work in Illinois?
Illinois allows a maximum trade-in credit of $10,000 when purchasing from a dealership. This means only the amount above your trade-in value (up to $10,000) is taxable. Private sales do not qualify for this credit.
-
Are there different tax rates for new vs. used vehicles?
No, Illinois applies the same sales tax rate regardless of whether the vehicle is new or used. The tax is calculated based on the purchase price (minus any eligible trade-in credit).
-
When do I pay the vehicle sales tax in Illinois?
You’ll pay the sales tax when you register your vehicle at the Illinois Secretary of State’s office. The tax must be paid in full at the time of registration.
-
Are there any other fees I should expect when buying a car in Illinois?
Yes, in addition to sales tax, you’ll need to pay registration fees ($151 for most passenger vehicles), title fees ($150), and possibly other local fees depending on your county.
document.getElementById('taxCalculatorForm').addEventListener('submit', function(e) { e.preventDefault(); calculateTaxes(); }); function calculateTaxes() { // Get input values const purchasePrice = parseFloat(document.getElementById('purchasePrice').value) || 0; const zipCode = document.getElementById('zipCode').value; const tradeInValue = parseFloat(document.getElementById('tradeInValue').value) || 0; const purchaseType = document.getElementById('purchaseType').value; // Validate inputs if (purchasePrice 0) { document.getElementById('tradeInDisplay').style.display = 'flex'; document.getElementById('displayTradeIn').textContent = '-$' + Math.min(tradeInValue, 10000).toFixed(2); } else { document.getElementById('tradeInDisplay').style.display = 'none'; } document.getElementById('displayTaxableAmount').textContent = '$' + taxableAmount.toFixed(2); document.getElementById('displayStateTax').textContent = '$' + stateTax.toFixed(2); document.getElementById('localRateDisplay').textContent = (localTaxRate * 100).toFixed(2) + '%'; document.getElementById('displayLocalTax').textContent = '$' + localTax.toFixed(2); document.getElementById('displayTotalTax').textContent = '$' + totalTax.toFixed(2); // Show results document.getElementById('resultContainer').style.display = 'block'; // Scroll to results document.getElementById('resultContainer').scrollIntoView({ behavior: 'smooth' }); } // Simplified function to return local tax rates based on ZIP code // In a real application, this would pull from a database or API function getLocalTaxRate(zipCode) { // These are example rates only - not actual IL tax rates const zipPrefix = zipCode.substring(0, 3); if (['600', '601', '602', '603'].includes(zipPrefix)) { return 0.01; // 1% for Chicago area } else if (['604', '605', '606'].includes(zipPrefix)) { return 0.0075; // 0.75% for nearby suburbs } else if (['611', '612'].includes(zipPrefix)) { return 0.005; // 0.5% for Rockford area } else if (['618', '619'].includes(zipPrefix)) { return 0.008; // 0.8% for Champaign area } else if (['627', '628'].includes(zipPrefix)) { return 0.01; // 1% for Springfield area } else { return 0.0025; // Default 0.25% for other areas } }
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Use Tax Rates – Illinois Department of Revenue
Explore the official tax rates and resources from the Illinois Department of Revenue to stay updated on vehicle tax rates and other state taxes.
