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What Moves the New Car Loan Interest Rate After a Repo Hike

Rahul Dev · Head of Marketing
Published · 2 min read

In short

  • Floating car loans linked to the repo rate are showing a higher rate in borrowers' accounts, as the RBI hiked its policy rate in October 2026.
  • Banks add their own spread to the external benchmark, so the rate offered on a fresh car loan can differ from one lender to another.
  • Since 2019, new floating retail loans have been linked to an external benchmark, and the rate will be reset at least once in three months.
  • The August 2026 draft proposes that all floating rate personal and MSME loans from commercial banks will use an external benchmark, with existing loans moving by 1 April 2029.
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The RBI raised the repo rate by 25 basis points to 5.50% from 5.25% on 7 October 2026, and the new car loan interest rate for floating loans has been moving since then. It is the first increase since February 2023, when the repo rate stood at 6.50%.

Commercial bank loans linked to the repo rate were reset from 8 October, one day after the policy change. Borrowers with floating car loans tied to this benchmark are therefore seeing the higher rate in their loan accounts within days, and many families are checking their loan statements to see the effect on the monthly instalment amount.

The rate offered by each lender on a fresh loan will also depend on the spread that the lender adds to this benchmark.

How banks build the rate

Since 1 October 2019, RBI has made it mandatory for banks to link new floating rate retail loans and MSME loans to an external benchmark. The permitted benchmarks are the policy repo rate, the three month or six month Treasury bill yields published by the Financial Benchmarks India Private Ltd (FBIL), or any other benchmark published by FBIL.

The same circular requires the banks to reset the interest rate on such loans at least once in every three months. Each lender then adds its own spread to the chosen benchmark.

Before this, the banks used the marginal cost of funds based lending rate (MCLR), which the RBI had said transmitted the policy changes poorly to the borrowers. Borrowers whose floating rate loans allow prepayment without penalty can switch to an external benchmark.

What the August 2026 draft proposes

As per reports on the draft, it proposes the following:

  • All floating rate personal and MSME loans from commercial banks will use an external benchmark.
  • The benchmark reset period for most floating rate loans will be capped at three months, and no lender can price a loan below the applicable benchmark.
  • Existing benchmark linked loans will get until 1 April 2029 to move to the new framework.

The next MPC resolution is scheduled for 2 to 4 December 2026 and it will decide whether 5.50% continues.

new car loan interest ratecar loan rate Indiarepo rateRBI repo rate hikeexternal benchmark lending ratefloating rate loanMCLRcar loan EMI

Frequently asked questions

How is the new car loan interest rate decided?

The lender takes an external benchmark such as repo rate and adds its own spread to it.

How often is the interest rate on a floating car loan reset?

The RBI rules require banks to reset the rate on such loans at least once in every three months. The loan agreement states the reset date.

Which benchmarks can banks use for floating loans?

The permitted benchmarks are the policy repo rate, the Treasury bill yields published by FBIL, or any other benchmark published by FBIL.

Sources & credits

Facts and figures in this article draw on these sources. All writing is our own.

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About the author

Rahul Dev

Rahul Dev

Head of Marketing Delhi

Head of Marketing with extensive experience in digital marketing, publishing, editorial strategy and content development. Focuses on building engaging content strategies, maintaining editorial quality and translating complex business, technology and financial topics into insightful stories for readers.

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