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In summary
Calculate EMI Before Applying
Used car finance EMI depends on three numbers: principal, interest rate, and tenure. Bajaj Finance offers repayment tenure from 12 months to 84 months and interest rates from 10% to 18.25% p.a.
- Principal: Financing Rs. 6 lakh costs less each month than Rs. 7 lakh under the same rate and tenure
- Interest rate: A higher rate increases both EMI and total interest
- Tenure: Extending repayment lowers the monthly instalment but increases total interest when other terms stay unchanged
Before choosing a used car loan, calculate more than one scenario. Compare the EMI with total interest and total repayment rather than choosing the smallest monthly instalment alone.
What do you need to calculate EMI?
You need the principal amount, annual interest rate, and repayment tenure. These three inputs determine how much you repay each month. The principal is the amount financed after your upfront contribution, while the tenure determines how many monthly instalments are available for repayment.
The relationship is summarised below.
| Input | What it means |
| Principal | Amount borrowed after accounting for the down payment |
| Interest rate | Annual rate charged on the financing |
| Tenure | Number of months available for repayment |
Bajaj Finance Used Car Loan offers amounts from Rs. 1 lakh to Rs. 2.50 crore, subject to applicant eligibility and vehicle assessment.
The amount you should borrow, however, should come from your actual purchase requirement and repayment capacity rather than the maximum product limit.
What is the EMI formula?
The EMI formula converts the principal, monthly interest rate, and repayment period into a fixed monthly payment.
Use:
EMI = P × R × (1 + R)^N ÷ [(1 + R)^N - 1]
Where:
- P: Principal loan amount
- R: Monthly interest rate
- N: Number of monthly instalments
The annual interest rate must first be converted into a monthly rate.
For example, an annual rate of 12% becomes:
12% ÷ 12 = 1% per month
For the mathematical formula, 1% is written as 0.01.
Manual calculation is useful for understanding the method. For repeated comparisons, the used car loan EMI calculator applies the same calculation automatically.
How does the calculation work?
A worked example makes it easier to see how the formula translates into an actual monthly repayment.
Consider Rahul, aged 36, living in Mumbai, earning Rs. 90,000 per month and holding a CIBIL Score of 765. He plans to finance Rs. 6 lakh for a used sedan.
→ Quick definition: A Credit Information Bureau (India) Limited Score (CIBIL Score) is a three-digit number, ranging from 300 to 900, that reflects your credit repayment history. Lenders use it to assess how reliably you have repaid past loans and cards.
Assume an illustrative rate of 14% p.a. and a tenure of 60 months.
The resulting repayment is approximately:
| Loan detail | Illustrative value |
| Principal | Rs. 6 lakh |
| Interest rate | 14% p.a. |
| Tenure | 60 months |
| Approximate EMI | Rs. 13,961 |
| Approximate total interest | Rs. 2.38 lakh |
| Approximate total repayment | Rs. 8.38 lakh |
The monthly instalment tells Rahul what his regular cash flow must support. The total interest and repayment figures show what the financing costs across the complete five-year period.
These figures are illustrative. The final repayment depends on the sanctioned rate, amount, and tenure.
How does the loan amount affect EMI?
A larger principal produces a higher monthly instalment when the rate and tenure remain unchanged.
This makes the down payment an important part of the calculation. Paying more upfront reduces the amount that must be financed.
Suppose Rahul increases his down payment and reduces the required financing from Rs. 6 lakh to Rs. 5 lakh. Under the same rate and tenure, both the EMI and total interest fall because interest is now charged on a smaller principal.
A larger down payment should still leave enough savings for insurance, servicing, repairs, and unexpected expenses after the purchase.
How does the interest rate affect EMI?
A higher interest rate increases both the monthly instalment and total interest when the principal and tenure stay unchanged.
This relationship is fixed mathematically. You should therefore use a realistic rate when calculating repayment rather than automatically entering the lowest rate you see advertised.
The Bajaj Finance Used Car Loan offers interest rates ranging from 10% to 18.25% p.a.
You can review the applicable used car loan interest rate while comparing repayment scenarios.
How does tenure affect EMI?
Tenure changes how many instalments are available to repay the principal.
A longer term lowers the EMI because repayment is spread across more months. A shorter term increases the instalment but reduces total interest when the amount and rate stay the same.
The trade-off is shown below.
| Shorter tenure | Longer tenure |
| Higher EMI | Lower EMI |
| Fewer instalments | More instalments |
| Faster repayment | Loan remains active longer |
| Lower total interest | Higher total interest |
The right choice depends on whether the higher instalment from a shorter term fits comfortably within your monthly cash flow.
How can you calculate EMI online?
- Enter the amount you need: Start with the amount that remains after your down payment. Do not enter the maximum available financing unless that is genuinely what the purchase requires.
- Enter the applicable rate: Use the rate associated with the financing option you are assessing. Testing more than one rate can also show how a different final offer changes the instalment.
- Select the repayment period: Choose a tenure and then test another option for comparison. The calculator shows how changing the term affects the monthly payment and overall repayment.
Treat the result as indicative because the final EMI follows the terms approved when the loan is booked.
What should you compare after calculating EMI?
The instalment is only one part of the financing decision. A lower EMI can result from a longer tenure and therefore come with higher total interest. Compare the complete repayment result before choosing an option.
Focus on these three figures:
- Monthly EMI: The amount that must fit your regular cash flow
- Total interest: The cost of financing over the complete term
- Total repayment: Principal plus interest across all instalments
This gives you a clearer comparison than looking only at the monthly payment.
How much EMI should you plan for?
Your planned instalment should leave room for essential expenses, existing debt, savings, and the running costs of the car.
Start with monthly income and deduct commitments that already exist.
Include:
- Existing EMIs: Home, personal, education, or other loan repayments
- Household expenses: Rent, groceries, utilities, and family costs
- Savings: Emergency funds and regular investments
- Car ownership costs: Fuel, insurance, servicing, tyres, and repairs
Do not commit your entire monthly surplus to repayment. Keeping some financial buffer is especially useful with a used vehicle because maintenance expenses do not always arrive on a fixed schedule.
What EMI calculation mistakes should you avoid?
The calculation becomes less useful when the inputs do not reflect the financing you actually plan to take. Avoid these common errors:
- Using an unrealistically low rate: This understates the expected repayment
- Calculating on the car price instead of the financed amount: Subtract the planned down payment first
- Choosing only by EMI: Compare total interest and total repayment as well
- Extending tenure only to reduce the instalment: The lower EMI comes with higher total interest
- Ignoring existing obligations: The new repayment must fit alongside current commitments
- Treating the calculator result as a sanction: Final terms depend on lender assessment
Accurate inputs make the calculation useful for planning rather than merely producing an attractive figure.
How does Bajaj Finance support EMI planning?
Once you know the repayment range that fits your budget, you can compare it with the financing available for the pre-owned car you are considering. The key product details are shown below.
| Loan detail | Bajaj Finance Used Car Loan |
| Loan amount | Rs. 1 lakh to Rs. 2.50 crore |
| Maximum financing | Up to 100% of the assessed car value |
| Repayment tenure | 12 months to 84 months |
| Interest rate | 10% to 18.25% p.a. |
| Credit score | CIBIL Score of 650 or higher |
| Vehicle requirement | Eligible private car, subject to vehicle age and ownership conditions |
Last updated: September 2026
Once you have compared the EMI, total interest, and repayment period, you can narrow down the financing structure that fits your monthly budget.
If you have shortlisted a car, check your pre-approved used car loan offer to see the financing option available to you before taking the next step.
What do our customers say about us
Amit Chauhan
Reviewed on 04 Mar 2025
Smooth and transparent used car loan process. The interest rates were competitive, and the documentation was minimal. The team guided me clearly at every step, making my used car purchase simple and stress-free. Highly recommended for quick approvals.
Ashwin Kamble
Reviewed on 24 Feb 2025
Clear guidance, quick approval, and flexible repayment options made buying my used car easier than expected. The team handled everything professionally. Very satisfied and would definitely recommend their used car loan.
Rohit Sharma
Reviewed on 12 Apr 2025
I had a great experience while applying for my used car loan. The process was quick, and the interest rate helped me manage the purchase better. Customer service was helpful throughout. Highly recommended for a smooth used car financing experience.
Ajay Kulkarni
Reviewed on 08 Dec 2024
My used car loan experience was simple and hassle-free. The approval was quick, the repayment options were flexible, and the team explained every step clearly. It helped me buy my preferred used car without financial stress. I would surely recommend it.
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Frequently asked questions
Overview
Repayment
What details are required to calculate EMI for a used car?
You need three main inputs: the principal amount you intend to finance, the applicable annual interest rate, and the repayment tenure in months. These values determine the estimated monthly instalment. For a complete comparison, also review total interest and total repayment because the EMI alone does not show what the financing will cost across the entire repayment period.
How is the monthly interest rate calculated for EMI?
The annual interest rate is divided by 12 to obtain the monthly rate used in the EMI formula. For example, an annual rate of 12% becomes 1% per month. In the mathematical formula, that monthly percentage is written as 0.01. An online calculator performs this conversion automatically when you enter the annual rate.
Why should you calculate total interest along with EMI?
The EMI shows how much your monthly budget must support, while total interest shows what financing costs across the full tenure. A smaller instalment can come from extending repayment, which can increase total interest substantially. Comparing both figures helps you determine whether the lower monthly commitment is worth the additional overall borrowing cost.
Does a bigger down payment reduce the EMI?
Yes. A bigger down payment reduces the principal that needs financing. When the interest rate and tenure remain unchanged, a smaller principal produces a lower monthly instalment and lower total interest. However, the upfront contribution should still leave enough savings for insurance, initial servicing, repairs, and unexpected expenses after purchasing the used car.
Why does a longer tenure reduce the monthly instalment?
A longer tenure divides the same principal across a greater number of monthly instalments. This reduces the amount payable each month. However, the outstanding loan remains under repayment for longer, which increases total interest when the principal and rate stay unchanged. Compare the monthly saving with the additional interest before choosing an extended repayment period.
Disclaimer
1. Bajaj Finance Limited (“BFL”) is a Non-Banking Finance Company (NBFC) and Prepaid Payment Instrument Issuer offering financial services viz., loans, deposits, Bajaj Pay Wallet, Bajaj Pay UPI, bill payments and third-party wealth management products. The details mentioned in the respective product/ service document shall prevail in case of any inconsistency with respect to the information referring to BFL products and services on this page.
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