Refinancing your car loan: How to reduce your monthly repayment by up to 20 per cent
17.05.2025
8
Minutes
Katrin Straub
Managing Director at nextsure
Is your monthly car loan payment too high? Refinancing can significantly reduce your financial burden. This article shows you in four steps how you can save over one hundred euros every month with lower interest rates.
The topic in brief and concise terms
A refinancing is worthwhile if the new interest rate clearly undercuts the cost of the early repayment charge (max. 1% of the outstanding debt).
Important requirements are a good credit rating, a fixed income and a clean SCHUFA report.
Additional savings can be achieved by cancelling an expensive loan repayment insurance policy and consolidating several loans.
Potential analysis: When refinancing brings financial benefits
Debt restructuring makes sense when the interest savings outweigh the costs. The key figure is the early repayment charge, which is capped by law. It is a maximum of one per cent of the outstanding debt where there is more than twelve months remaining on the term.
For example, if your outstanding debt is €15,000 and the new interest rate is two percentage points below the old one, you save €300 a year in interest. The one-off charge of €150 (one per cent of €15,000) is therefore quickly recouped. An interest rate difference of just one percentage point can already mean savings of more than €500 over three years.
Many borrowers underestimate that even reducing the interest rate from eight to six per cent can lower the monthly instalment by almost ten per cent. A precise comparison is therefore essential before you make a decision. With our calculator for early repayment charges, you can calculate the costs precisely. This gives you a solid basis for the next step.
Check prerequisites: You must meet these criteria for more favourable financing
Banks assess your creditworthiness before agreeing to a debt consolidation loan. Regular income from a permanent employment relationship is one of the most important requirements. You should also no longer be in your probationary period, as this represents a risk for lenders.
The following conditions generally need to be met for approval:
Legal age and a permanent residence in Germany.
Clean SCHUFA report with no negative entries.
Verifiable and regular income (e.g. from the last three payslips).
A German bank account already in place for processing.
A second borrower with good creditworthiness can increase the chances of approval by over 25 per cent and often lead to better terms. If you meet these criteria, nothing stands in the way of submitting an enquiry for a debt consolidation loan to improve creditworthiness. This paves the way for the specific implementation.
The 4-step plan: systematically to a lower monthly instalment
A structured process is the key to success when refinancing your car loan. With just four clear steps, you can reach your goal efficiently. This plan minimises the effort and maximises your savings.
Here’s how to proceed with refinancing:
Assessment of the existing loan: Determine the exact outstanding balance, the current interest rate and the remaining term from your existing agreement. Ask your bank for a settlement amount that already takes the early repayment charge into account.
Obtain and compare offers: Get at least three different offers for a new loan. Pay attention not only to the effective annual interest rate, but also to flexible repayment options.
Finalise the new loan agreement: After selecting the best offer, finalise the new loan agreement. Wait to cancel the existing loan until the new loan amount has been credited to your account.
Pay off the existing loan: Transfer the agreed settlement amount to your old bank. After repayment, request the release of the vehicle registration document (Zulassungsbescheinigung Teil II) if it was lodged as security.
Through this process, you can often secure a lower monthly instalment. The next section shows you how to further maximise your savings potential.
Maximising savings potential: expert tips for debt refinancing
Besides the pure interest rate comparison, there are other levers to maximise your savings. Costs are often hidden in the old loan agreement that you can eliminate when refinancing. A thorough review uncovers this potential.
Our expert tip: Cancel an existing residual debt insurance policy. This expensive add-on policy becomes unnecessary when refinancing. The cancellation can reduce your monthly burden by a further 15 to 30 euros. A critical review of the need for residual debt insurance is always advisable.
Another tip is to consolidate loans. If you have other instalment loans in addition to your car loan, you can bundle them into a single, more favourable financing arrangement. This not only lowers the total costs, but also improves your SCHUFA rating by reducing the number of your loans. With these strategies, you not only optimise your monthly payment, but also your overall financial structure.
Legal foundations and pitfalls of early repayment
The legal framework for refinancing consumer loans is clearly regulated in the German Civil Code (BGB). Section 502 BGB limits the amount of the early repayment compensation and thus protects you from excessive demands from banks. The maximum fee of one per cent of the outstanding debt is a fixed factor in your calculation.
For loan agreements concluded before 11 June 2010, different rules often apply. A notice period of three months was customary, and in some cases no early repayment compensation could be charged at all. It may be worth taking a look at the old contract documents.
Look out for incorrect revocation instructions in your old contract. Consumer advice centres report that up to 80 per cent of contracts concluded between 2010 and 2016 contain errors. An incorrect clause can mean that you can still revoke the loan years later and refinance it without paying compensation. A legal review can save several hundred euros here.
Request your individual risk analysis now: Have your insurance situation reviewed free of charge and receive specific recommendations for optimisation.
More useful links
Wikipedia explains the term debt restructuring in general.
The Deutsche Bundesbank offers statistics on interest rates and yields for consumer loans to private households (instalment loans).
Destatis (Federal Statistical Office) refers to datasets on loans and online transactions.
The Consumer Advice Centre gives tips on saving money on loans and credit agreements.
Destatis (Federal Statistical Office) contains tables and data on overindebtedness.
The Deutsche Bundesbank offers MFI interest rate statistics (outstanding amounts, new business).
The German Banking Association explains what creditworthiness is and how the assessment works for consumers.
Destatis (Federal Statistical Office) offers a debt advice atlas as visualised statistics.
FAQ
When is the best time to refinance a car loan?
The best time is when the general interest rate level is significantly below the interest rate of your existing contract. Refinancing is particularly effective in the first few years of the term, as the remaining debt is still high and the interest savings are greatest.
What documents do I need for refinancing?
You will generally need the last three payslips, your bank statements, a copy of your identity card, the existing loan agreement and a redemption statement from your previous bank showing the exact outstanding balance.
Can I also refinance a balloon loan?
Yes, refinancing is particularly sensible before the high final instalment on a balloon finance arrangement falls due. You can replace the high final instalment with a cheaper instalment loan and thus avoid expensive follow-on financing from the dealer.
How long does a debt restructuring take?
The entire process, from obtaining quotes to paying off the old loan, usually takes between one and three weeks. The new loan is often paid out just a few working days after the contract is signed.
Are there any costs involved in applying for a debt consolidation loan?
No, making an enquiry and preparing loan offers in Germany are generally free of charge and non-binding. Costs are only incurred if you repay the existing loan early (early repayment charge).
What is the difference between refinancing and paying off a loan?
Loan redemption refers to the pure act of early repayment of a loan. Refinancing is a specific form of loan redemption, in which repayment is financed by taking out a new, cheaper loan.
