Your Rights on a Test Drive — and Who Is Liable if Something Goes Wrong

Why the Legal Side of a Test Drive Matters

Most buyers prepare for the test drive technically — which noises are suspicious, how the brakes should feel. That is right and important, and the full technical checklist is covered in the article on the test-drive checklist. What almost always gets overlooked: a test drive is also a legal act. You are steering someone else's insured vehicle — and the moment an accident happens, questions suddenly arise that no one asked beforehand.

That is exactly the focus here: not what you check on the car, but what applies legally while you drive. Who is liable for damage? Do you have to sign a liability agreement? What happens to your driving licence and your money if the seller demands a "deposit"? And how much may a seller actually expect of you?

One important note upfront, which holds for the whole article: this is general information on the legal situation, not individual legal advice. The concrete assessment always depends on the specific case, on the agreements made, and on the details of what happened. In a dispute, the question belongs in the hands of a lawyer or a consumer advice centre (Verbraucherzentrale).

Liability in an Accident: Damage to Third Parties

If you cause an accident during the test drive and in doing so damage another car or a fence, or injure someone, the vehicle's motor third-party liability insurance (Kfz-Haftpflichtversicherung) generally steps in. This insurance is tied to the vehicle and its registered keeper, not to a particular person at the wheel — it covers damage inflicted on third parties with the insured vehicle, regardless of who happens to be driving.

That means: the injured third party turns to the liability insurer of the seller or keeper, and that insurer settles the damage. For you as the test driver, that is the decisive safeguard — the classic case of rear-ending someone else's car is thus, as a rule, covered. The precondition is, of course, that the vehicle is properly insured for third-party liability and registered in the first place. Which is precisely why this is a point to raise beforehand.

There is, however, one important limitation that many overlook: third-party liability protects the injured third party — it does not automatically protect you from recourse. In cases of gross negligence or intent, the insurer may, under certain circumstances, seek recourse from the person who caused the damage. So anyone who causes damage while driving well over the limit or under the influence of alcohol is moving outside what one can rely on. In the normal course of a test drive this is not an issue — but it does show that "the insurance will cover it" is no blank cheque.

Damage to the Vehicle Itself: Comprehensive Cover, Fault and the Agreement

It becomes considerably more complicated with damage to the test-drive vehicle itself — that is, when you damage the very car you were about to buy. Third-party liability does not help here, because it only covers damage to others. Whether and to what extent you have to answer for damage to the vehicle depends on three things: any comprehensive cover (Kasko) that may exist, fault, and the agreement made beforehand.

If the vehicle has comprehensive cover (fully or partly comprehensive Kasko), this may, depending on the situation, pay for the vehicle damage — often combined with an excess. Without comprehensive cover there is no such backstop, and then the question of fault takes centre stage. If you caused the damage culpably, the seller can, in principle, seek recourse from you. In cases of gross negligence or intent your position is especially weak — with a classic, slightly negligent mishap, much depends on the circumstances and the agreement.

And that brings us to the decisive point: the agreement. Whether and to what extent you are liable can be settled in advance. Some sellers and most dealers work with a written liability agreement that sets out responsibility for vehicle damage during the test drive. If any such arrangement is missing entirely, you are moving in unregulated territory — and that is exactly where the expensive disputes arise. For you, that means: before the drive, clarify whether comprehensive cover exists and what should apply to damage to the vehicle in the event of a claim. It is awkward to bring up, but the alternative — arguing over four- or five-figure sums after a dented panel — is considerably more awkward.

Excess and Liability Agreement: What Is Permissible?

It is generally permissible for sellers or dealers to regulate the terms of a test drive by contract — no one is obliged to hand over a valuable vehicle to strangers without any protection at all. A written liability agreement providing, for instance, for an excess in the event of a claim is therefore nothing inherently dubious, but a common instrument, especially in the trade.

For you as the test driver, it is crucial to know what you are signing. A typical arrangement provides that the dealer's comprehensive cover (Kasko) applies to vehicle damage, but that you take on a limited excess. That is a fair and comprehensible construction. It becomes problematic when an agreement saddles you with blanket liability — even for damage you did not cause at all, or of unlimited amount. You should read such clauses critically and, in case of doubt, not accept them unchecked.

In practical terms that means: read a liability agreement before you sign it, and ask about anything that is unclear. How high is the excess? Does it apply only to damage you caused yourself? Is there actually a comprehensive policy (Kasko) on which the agreement relies? A reputable provider answers these questions without hesitation. Whether a particular clause is legally effective in a given case cannot be said in general terms — that depends on the specific wording and, in a dispute, is a question for a lawyer.

Copying the Driving Licence and a "Deposit" in a Private Sale

In a private sale there is no dealer routine with comprehensive cover and a standard form — the seller is handing their private car to a stranger and wants to protect themselves. That is understandable, and a common request is to be shown your driving licence and ID card before the drive. For the seller to check whether you even hold a valid driving licence is legitimate and in your own interest — without a valid licence, the test drive is a risk for both sides.

A copy or photo of your ID documents is more delicate under data-protection law. There is nothing inherently forbidden about it if you consent voluntarily — but you should be aware that you are thereby handing over control of your ID data. A pragmatic middle ground: let the seller look at the documents and check that the name and face match, rather than leaving a lasting copy behind. If you do agree to a copy, arrange that it be destroyed once the vehicle is returned. Conversely, for sellers the rule is: having the ID shown and noting the name is sensible, whereas collecting copies of strangers' IDs brings data-protection obligations with it.

The topic of a "deposit" is more delicate. Some sellers demand a sum of money or an object as security before they hand over the car. Legally, this is no established standard instrument, and it throws the door wide open to abuse — in the worst case, you hand cash to an unknown person without any reliable counter-value. Be especially careful here: a deposit that puts you in a weak position is a warning sign. As a general rule, in a private purchase the same principle applies as with payment: do not hand over anything valuable whose return you cannot reliably enforce. If a seller only grants a test drive against a high cash deposit, that is reason to scrutinise the whole offer critically.

No Obligation to Buy: The Test Drive Commits You to Nothing

A widespread misconception: that after the test drive one must "somehow" buy the vehicle, because one has, after all, already driven it. That is wrong. A test drive is an inspection, not the conclusion of a contract. In itself it creates no obligation to buy — the purchase contract only comes into being once both sides agree and conclude it, not merely because you drove once around the block.

That holds regardless of how the seller behaves. If, after the test drive, you notice defects, the price seems too high to you, or you simply have a better feeling about another vehicle, you may say no at any time. Social pressure, an annoyed seller, or a remark like "well, you've wasted my time then" change nothing about this legal position. That is exactly what a test drive is for: to find out whether the car fits — and the honest answer may well be no.

This freedom is the real value of the test drive. Use it without letting yourself be put under pressure. Anyone who feels obliged to buy loses precisely the advantage the test drive offers: the chance to still walk away before the decision. And if, after the drive, you are interested but unsure about the condition, that is the right moment to have the vehicle professionally inspected rather than signing prematurely.

The Seller's Obligations

Legal responsibility does not lie with the driver alone. Whoever offers a test drive is placing a vehicle at your disposal — and in doing so has obligations of their own. The seller must provide a roadworthy, registered vehicle with third-party liability insurance. A car without valid registration or insurance may not be used on public roads at all, and a test drive with it would land both parties in serious trouble.

That is more than a formality. If an incident occurs with a vehicle that is not properly insured or is not roadworthy, the responsibilities shift considerably — and you, as a driver acting in good faith, end up worse off than you deserve. That is why it is legitimate and sensible, before the drive, to briefly confirm that the vehicle is registered and insured. With trade plates or short-term plates (rote or Kurzzeit-Kennzeichen), you should know how the insurance status is arranged.

Conversely, this does not mean the seller answers for every risk. Their duty is to provide a proper vehicle — not to relieve you of all responsibility for how you drive. So responsibility is shared: the seller ensures a registered, insured, roadworthy car; you drive prudently and within what was agreed. If both obligations are met, the test drive is a manageable undertaking for both sides.

The Special Case of Dealers: Trade Plates and Dealer Insurance

Between a dealer and a private seller there are practical differences on a test drive that affect your protection. The professional dealer, as a rule, has a structure geared to test drives: commercial cover, often comprehensive insurance (Kasko) for their vehicles, and an established procedure with a liability agreement and a set excess. Some dealers also use trade plates (rote Kennzeichen / Händlerkennzeichen) with their own insurance cover for test and transfer drives.

For you as the buyer, that usually means a more predictable starting position: there is a form, a known excess, and a point of contact who knows how to proceed in the event of a claim. The price of this predictability is that you accept the dealer's terms — here too, read the agreement before you sign, and ask about the amount of the excess.

In a private sale this structure is missing. There is rarely any comprehensive cover, no standard form, and no routine for a claim. That makes the prior arrangement all the more important. In a private sale, expressly clarify whether comprehensive cover (Kasko) exists and what should apply to self-inflicted vehicle damage — and record the outcome briefly in writing. Two or three sentences on a slip of paper, signed by both sides, are worth more in a dispute than any verbal assurance that no one wants to remember afterwards.

Clarify Before the Drive — and Secure the Condition Professionally

The upshot is simple: clarify the terms of the test drive before you set off, not afterwards. Is there comprehensive cover (Kasko)? What applies to vehicle damage? Is there a liability agreement with an excess, and how high is it? Is the vehicle registered and insured? These questions cost you two minutes and spare you weeks of dispute in the worst case. Record the essentials briefly in writing — in a private sale, a few sentences signed by both sides are enough.

Legal protection is one half of a safe test drive. The other is the vehicle's actual condition — and even the most attentive test drive does not fully reveal it. A repaired accident structure, a manipulated odometer reading, or rust on load-bearing parts do not show up while driving. Anyone who, after the test drive, is serious about buying but unsure about the condition should have the vehicle independently inspected before signing.

checkdenwagen sends an independent inspector directly to the seller — anywhere in Germany, from €289 incl. VAT and travel. The inspector assesses the body, the technology, the driving behaviour and the documents, and delivers the report within 24 hours. The Premium Check from €339 incl. VAT and travel adds a market-value estimate and a repair-cost calculation — the strongest basis for negotiating the price on solid footing after a convincing test drive.

Note: This article provides general information and is no substitute for individual legal advice. The concrete legal assessment depends on the specific case. If a dispute arises over liability or compensation, turn to a lawyer or a consumer advice centre (Verbraucherzentrale).