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How Interest Rates Affect Your Car Loan

When shopping for a vehicle, most people focus on the price of the car, the down payment, or the monthly payment. But one of the most important factors that determines how much you actually pay for your car over time is the interest rate on your loan.

Understanding how interest rates work can help you make smarter financial decisions, whether you’re buying your first car or upgrading to something newer. At MyCar, we want to help Ontario drivers understand how financing really works so they can get the best deal possible.

What Is an Interest Rate?

An interest rate is the cost of borrowing money. When you finance a car, you’re borrowing funds from a lender to purchase the vehicle, and in return, you agree to pay back that amount over time with interest.

The interest rate is expressed as a percentage of your loan amount. For example, if you borrow $20,000 at a 6 percent interest rate, you’ll pay an additional amount in interest over the term of the loan, depending on how long you take to pay it off.

In short, a lower interest rate means you pay less over the life of your loan, while a higher rate means you’ll pay more.

What Determines Your Interest Rate?

Several factors influence the rate you’re offered on a car loan. Understanding these can help you prepare and possibly qualify for better terms.

Credit score

Your credit score plays a major role in determining your interest rate. Lenders use it to assess how likely you are to repay the loan. A higher score usually means lower rates, while a lower score may lead to higher rates or a larger down payment requirement.

Loan term

The length of your loan also affects your rate. Shorter-term loans often come with lower interest rates, while longer terms can mean slightly higher rates since the lender is taking on more risk over time.

Type of vehicle

New vehicles tend to qualify for lower rates compared to used vehicles, as they hold more predictable resale value and carry less risk for lenders.

Market conditions

Interest rates can fluctuate based on the economy and central bank policies. When the Bank of Canada raises or lowers its rates, it can impact the interest you pay on your car loan.

Down payment amount

Putting more money down at the start of the loan can sometimes help you qualify for a better rate since it reduces the amount you’re borrowing and lowers the lender’s risk.

How Interest Rates Impact Your Monthly Payments

Even a small change in your interest rate can make a noticeable difference in your monthly payments. For example:

  • A $25,000 car loan at 5 percent interest over 60 months would cost about $472 per month.

  • The same loan at 8 percent interest would cost about $507 per month.

That $35 difference each month adds up to over $2,000 more in total payments over the life of the loan.

This shows why it’s so important to shop around for the best possible rate and understand how it affects your total cost of ownership.

How to Get a Better Interest Rate

If you’re planning to finance a car, here are a few ways to help you secure a more favorable interest rate:

  1. Check your credit score before applying and address any errors or unpaid debts.

  2. Get pre-approved so you know what kind of rate to expect before visiting a dealership.

  3. Consider a shorter loan term if your budget allows. You’ll pay less in interest overall.

  4. Increase your down payment to reduce the amount financed.

  5. Shop around with dealerships like MyCar that work with multiple lenders to find the most competitive rates.

When a Higher Interest Rate Might Still Make Sense

While lower rates are always ideal, sometimes accepting a slightly higher rate can still be the right decision, especially if you’re rebuilding credit or need a vehicle quickly. Making consistent, on-time payments can help improve your credit score and qualify you for better rates in the future.

Final Thoughts

Interest rates are one of the biggest factors influencing your car loan, but understanding how they work gives you control over your financial decisions. Whether you’re buying new or used, the key is to balance the rate, term, and total cost to find what fits your budget.

At MyCar, we make financing simple and transparent. Our team works with trusted lenders across Ontario to help you find the best rate possible, no matter your credit situation. With locations in Ottawa, Kingston, and North Bay, we’re here to help you drive away with confidence.

Visit MyCar today to explore our inventory and get pre-approved for your next vehicle.