David Iben put it well when he said, 'Volatility is not a risk we care about. What we care about is avoiding the permanent loss of capital.' It's only natural to consider a company's balance sheet when you examine how risky it is, since debt is often involved when a business collapses. As with many other companies Sixt SE (ETR:SIX2) makes use of debt. But is this debt a concern to shareholders?
When Is Debt Dangerous?
Debt assists a business until the business has trouble paying it off, either with new capital or with free cash flow. Ultimately, if the company can't fulfill its legal obligations to repay debt, shareholders could walk away with nothing. While that is not too common, we often do see indebted companies permanently diluting shareholders because lenders force them to raise capital at a distressed price. Of course, debt can be an important tool in businesses, particularly capital heavy businesses. The first step when considering a company's debt levels is to consider its cash and debt together.
How Much Debt Does Sixt Carry?
You can click the graphic below for the historical numbers, but it shows that Sixt had €3.23b of debt in June 2025, down from €3.80b, one year before. Net debt is about the same, since the it doesn't have much cash.
How Healthy Is Sixt's Balance Sheet?
According to the last reported balance sheet, Sixt had liabilities of €2.31b due within 12 months, and liabilities of €3.39b due beyond 12 months. Offsetting these obligations, it had cash of €10.8m as well as receivables valued at €957.6m due within 12 months. So its liabilities outweigh the sum of its cash and (near-term) receivables by €4.73b.
Given this deficit is actually higher than the company's market capitalization of €3.25b, we think shareholders really should watch Sixt's debt levels, like a parent watching their child ride a bike for the first time. Hypothetically, extremely heavy dilution would be required if the company were forced to pay down its liabilities by raising capital at the current share price.
View our latest analysis for Sixt
We use two main ratios to inform us about debt levels relative to earnings. The first is net debt divided by earnings before interest, tax, depreciation, and amortization (EBITDA), while the second is how many times its earnings before interest and tax (EBIT) covers its interest expense (or its interest cover, for short). This way, we consider both the absolute quantum of the debt, as well as the interest rates paid on it.
With a net debt to EBITDA ratio of 5.2, it's fair to say Sixt does have a significant amount of debt. But the good news is that it boasts fairly comforting interest cover of 3.9 times, suggesting it can responsibly service its obligations. On a slightly more positive note, Sixt grew its EBIT at 14% over the last year, further increasing its ability to manage debt. The balance sheet is clearly the area to focus on when you are analysing debt. But it is future earnings, more than anything, that will determine Sixt's ability to maintain a healthy balance sheet going forward. So if you're focused on the future you can check out this free report showing analyst profit forecasts.
Finally, a business needs free cash flow to pay off debt; accounting profits just don't cut it. So we clearly need to look at whether that EBIT is leading to corresponding free cash flow. During the last three years, Sixt burned a lot of cash. While investors are no doubt expecting a reversal of that situation in due course, it clearly does mean its use of debt is more risky.
Our View
To be frank both Sixt's level of total liabilities and its track record of converting EBIT to free cash flow make us rather uncomfortable with its debt levels. But on the bright side, its EBIT growth rate is a good sign, and makes us more optimistic. Overall, it seems to us that Sixt's balance sheet is really quite a risk to the business. For this reason we're pretty cautious about the stock, and we think shareholders should keep a close eye on its liquidity. When analysing debt levels, the balance sheet is the obvious place to start. However, not all investment risk resides within the balance sheet - far from it. Case in point: We've spotted 2 warning signs for Sixt you should be aware of.
At the end of the day, it's often better to focus on companies that are free from net debt. You can access our special list of such companies (all with a track record of profit growth). It's free.
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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.
About XTRA:SIX2
Sixt
Through its subsidiaries, provides mobility services through corporate and franchise branch network for private and business customers.
Proven track record with adequate balance sheet and pays a dividend.
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