2026-10-28
A fixed rate keeps your car loan EMI the same for the agreed period. A floating rate can start lower, but it moves with market rates, so your EMI can rise or fall. Floating usually costs less when rates stay flat or fall. Fixed is the safer pick when a rate rise would strain your budget. So choose based on the highest EMI you can live with, not the lowest first-year rate.
| Feature | Fixed rate | Floating rate |
|---|---|---|
| EMI over time | Stays the same for the agreed period | Can change when the benchmark moves and the contract resets |
| Best when | Rates may rise, or your budget is tight | Rates stay flat or fall, and you can absorb a rise |
| Cost surprises | Few, since the rate is set | Possible in either direction |
| Starting rate | Can sit above a floating rate | Can start lower, though that isn’t guaranteed |
| Prepayment | Check your contract, since the 2026 exemption doesn’t apply automatically | Often no charge on qualifying loans sanctioned or renewed on or after 1 January 2026 |
The real difference is who carries the risk when rates move. With a fixed rate, the lender carries it for the agreed period. With a floating rate, you carry it, because your EMI follows the market.
Think about how long a car loan runs. Five years is plenty of time for rates to change, and the rate type decides whether that change lands on your budget or on the lender’s books. The sanction letter and loan agreement spell out which one you have, so the answer is always in writing.
A fixed rate stays the same for the period written in your agreement, which is often the full tenure. Your EMI doesn’t change, so you know the total bill on day one. Here’s the catch, though. Lenders price that promise in, so a fixed rate can start above a floating one.
A floating rate moves with a benchmark. Since 2019, RBI has required most new floating-rate retail loans to link to an external benchmark, and the repo rate is a common choice. When the benchmark moves, your rate can move too, at the reset points your contract sets.
Once the rate changes, the interest slice inside each EMI changes as well. Our walk through how car loan interest works month by month shows where each rupee goes at every stage.
The repo rate is the rate at which RBI lends short-term money to banks. It’s the number most floating car loans follow. When RBI changes it, linked loan rates often follow at the next reset. You don’t need to track it daily, but it helps you make sense of the news when rates start to move.
It can do either, so ask. Some lenders recalculate the EMI and keep the tenure. Others keep the EMI steady and stretch the tenure, which can mean paying more interest in total. The case below uses the first method, and it’s worth confirming which one your lender uses.
Yes, in some cases. Hybrid loans stay fixed for a set period and then move to a floating rate. Check the sanction letter for the switch date, because a loan that looks fixed on the brochure may not stay that way for the whole term.
Often, when rates stay flat or fall. But “often” isn’t “always.” Floating can start lower and still cost more if rates climb. Dev’s case below shows floating winning two of three paths and losing badly on the third.
Sometimes, at the start. A fixed rate can sit above the floating rate on day one, because the lender is pricing in the risk that rates move against it. Whether you pay more over the whole loan depends on what rates actually do. Before you compare, check the car loan interest rate ranges in India so you know whether a quote sits in the usual band.
Neither wins for everyone. Fixed suits a tight budget and anyone who wants no surprises. Floating suits someone with spare room who can absorb a higher EMI.
The fastest way to find your room is to work out how much you can comfortably spend on a car each month. Then check each offer against that number.
Dev is a hypothetical buyer, not a real customer. He takes home ₹90,000 a month and needs an ₹8 lakh loan for five years. Two lenders have made him an offer, and he’s trying to pick between them.
Offer 1 is a fixed 9.5% for the whole tenure, with an EMI of ₹16,800. Offer 2 is a floating rate that starts at 9.0%, with an EMI of ₹16,607. Dev’s comfortable cap is ₹17,000 a month, the most he’ll pay without touching his savings.
Before he chooses, Dev tests the floating loan under three paths. The rate stays at 9% for the first 12 months. After that, it changes once: it stays at 9%, rises to 11.5%, or falls to 8%. The lender keeps the 60-month tenure and recalculates the EMI at the reset. The figures ignore fees and prepayment.
| Path after month 12 | Floating EMI after reset | Floating total interest | Fixed total interest | Result |
|---|---|---|---|---|
| Rates stay at 9% | ₹16,607 | ₹1,96,400 | ₹2,08,000 | Floating saves about ₹11,600 |
| Rates rise to 11.5% | ₹17,412 | ₹2,35,000 | ₹2,08,000 | Fixed saves about ₹27,000 |
| Rates fall to 8% | ₹16,286 | ₹1,81,000 | ₹2,08,000 | Floating saves about ₹27,000 |
Read the table closely. Floating wins two of the three paths. If you gave each path equal weight, floating would come out about ₹4,000 ahead on average. That’s the honest case for floating, and it’s a fair one.
But look at the rise row. Dev’s EMI would climb to ₹17,412, which is ₹412 over his cap, for the remaining 48 months. That adds up to close to ₹19,800 he’d have to find somewhere else. The fixed EMI of ₹16,800 never leaves his cap.
So Dev picks fixed. The average saving is small, and an average doesn’t pay the bills in the bad year. He’d rather pay a little more on average than gamble on rates staying calm. Plenty of people would take the floating loan and plan for the rise, and both choices can be right. It comes down to how much your budget can absorb.
Start with your cap, the most you’d pay each month. Ask the lender for the EMI at a rate 2 to 3 points higher than today’s, or work it out yourself with the EMI formula. If the stressed EMI still fits under your cap, floating is a reasonable bet. If it doesn’t, you’re betting that rates stay calm.
Running costs belong in this test too. Fuel tends to swing more than most bills, and whether switching off the AC saves much fuel is worth knowing when your cap is tight. Dev’s 11.5% row is a 2.5-point jump, which is a fair stress test for a car loan.
Nobody can forecast rates reliably, not banks, not economists, and not you. Dev’s falling path helps him, but it’s one of three, and the other two could have happened. If you choose floating, pick it because the bad path still fits your budget, not because you expect a cut.
Your EMI stays put, so the rise doesn’t touch your monthly budget. You do give up the chance to benefit if rates fall, unless you refinance later, and refinancing has its own costs. A fixed EMI protects one bill, though, not every bill.
Servicing can arrive in lumps, and whether every car needs an oil change after the same distance usually depends on the car and how you drive. Plan for those costs next to the EMI, not after it.
Often, no, at least not automatically. Switching usually means refinancing or a balance transfer, which can bring new fees and fresh paperwork. Ask your lender whether it offers a conversion and what it costs before you assume it’s free.
For many floating-rate loans, yes. Under the RBI’s Pre-payment Charges on Loans Directions, 2025, loans sanctioned or renewed on or after 1 January 2026 can’t carry prepayment charges if they’re floating-rate loans given to individuals for non-business purposes. Fixed-rate loans don’t get that same automatic exemption, though. Check your contract before you assume you can prepay freely.
Not directly. Your CIBIL score is built from repayment history, and the rate type doesn’t change that. But a bigger EMI can strain your budget, and a strained budget is often how missed payments start. So the real risk is cash flow, and cash flow shows up on your score later.
Open the sanction letter and the loan agreement. You should see the rate type, the benchmark for a floating loan, the reset period, and the spread. The spread is the extra percentage the lender adds on top of the benchmark. If a document shows only a single rate, ask for those details in writing.
Lenders differ, and their offers change, so don’t assume one bank has both. Ask each lender for both options if you want to compare them side by side. Then look at the APR and fees alongside the rate type, since a low headline rate can come with higher charges.
Ask for the rate type, benchmark, reset period and spread in writing.
This article gives general information, not personal financial advice. Your rate offers, tax position and goals decide what’s right for you. For a loan this size, speak with a chartered accountant or a qualified financial planner before you commit.
Sources: RBI, Pre-payment Charges on Loans Directions, 2025; RBI guidance on external benchmarks for floating-rate loans; RBI’s description of the repo rate.
