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Auto Finance Calculator Canada

Reviewed by Calculator Editorial Team

This auto finance calculator helps Canadian buyers estimate monthly payments, total interest costs, and loan affordability for new or used vehicles. Simply enter your loan details to get instant calculations.

How to Use This Calculator

Using our auto finance calculator is simple:

  1. Enter the vehicle price (including taxes and fees)
  2. Input your down payment amount
  3. Select your loan term in years
  4. Enter your estimated annual interest rate
  5. Click "Calculate" to see your results

The calculator will display your monthly payment, total interest paid, and total amount financed. You can also view a breakdown of your loan payments over time.

Formula Explained

The auto loan payment is calculated using the standard loan payment formula:

M = P [ i(1 + i)^n ] / [ (1 + i)^n - 1 ] Where: M = Monthly payment P = Principal loan amount (vehicle price - down payment) i = Monthly interest rate (annual rate ÷ 12) n = Number of payments (loan term in years × 12)

Total interest is calculated by multiplying the monthly payment by the number of payments and subtracting the principal loan amount.

Worked Example

Let's calculate payments for a $30,000 vehicle with a $5,000 down payment, 5-year term, and 4.5% annual interest rate:

  1. Principal = $30,000 - $5,000 = $25,000
  2. Monthly rate = 4.5% ÷ 12 = 0.375% or 0.00375
  3. Number of payments = 5 × 12 = 60
  4. Monthly payment = $25,000 [ 0.00375(1 + 0.00375)^60 ] / [ (1 + 0.00375)^60 - 1 ] ≈ $478.50
  5. Total interest = ($478.50 × 60) - $25,000 ≈ $1,670

Using our calculator with these inputs would show a monthly payment of $478.50 and total interest of $1,670.

Frequently Asked Questions

What factors affect my auto loan payment?
Your monthly payment depends on the loan amount, interest rate, and term length. A larger down payment reduces the principal amount, while a longer term spreads payments over more months but increases total interest costs.
How do I find my vehicle's true price?
Add the manufacturer's suggested retail price (MSRP) to estimated taxes, fees, and any options you want. For new vehicles, check the provincial sales tax rate (typically 5-13% in Canada).
What's the difference between APR and interest rate?
The interest rate is the cost of borrowing, while the Annual Percentage Rate (APR) includes all fees and costs. APR is always higher than the interest rate and gives you a more accurate picture of total borrowing costs.