What a private advert actually commits you to
Posting the advert is the small part. What follows is open ended: answering messages, fitting viewings around work, sitting in the passenger seat while somebody you met ten minutes ago drives your car, and satisfying yourself that a payment has truly cleared. All of it happens at your address, in your evenings, and the registration stays in your name the whole time it is going on.
Then there is the language. Marktplaats is written in Dutch and so are most of the messages buyers send. Negotiating in a language you are still learning, about a noise from the rear suspension you do not fully understand yourself, is a weak place to stand. That is no criticism of the site. It is simply a poor fit for somebody holding down a full time job, packing up a flat, or doing both at once.
Dedicated car sites, and what Gaspedaal is not
Marktplaats has no monopoly here. Several Dutch sites deal in vehicles alone, and most will take a listing from a private seller: type in the plate, upload photographs, write a description. What they charge and who they reach varies, and gets revised, so read the current terms on the site before you commit to one.
Gaspedaal needs separating out, because people try to advertise on it and find they cannot. It is a search engine. When we last checked, it pulled listings together from other Dutch car sites and accepted no adverts directly, which meant the route onto Gaspedaal ran through one of the sites it indexed. Verify that on Gaspedaal itself, since arrangements of that sort are liable to change.
Changing site changes your audience and nothing else. The replies, the appointments and the payment checks all still arrive at your end, and the car stays registered to you while you wait for the right buyer. If that workload was what you wanted rid of, a different advert will not do it.
Parking the car on a dealer's forecourt
A number of dealers will take a car on consignment (verkoop in consignatieA dealer markets and sells your car for you against a commission. Ownership never leaves you while the car waits on their forecourt.). It stands on their pitch, they handle the photography, the listing and the viewings, and when a buyer turns up you are paid the agreed sum less their commission. From the outside it looks like somebody else doing the work for you.
Ownership, though, has not budged. You remain the kentekenhouder, the name on the registration, for every week the car sits there. So the road tax bills keep coming, and the insurance has to stay live on a vehicle you are not driving. A car that takes three months to find a buyer is three months of both, paid by you. Get the terms down on paper before you leave the keys: how long the dealer has, what the commission is, who pays for preparation or repairs, and what becomes of the car if nobody buys it.
Selling the car outright to a trade buyer
This is the route that collapses the timeline. A car buyer or a garage inspects the vehicle, names a figure, and if you accept, the car leaves your name on the day it leaves your possession. No listing, no viewings at your front door, nobody unknown to you behind the wheel on a test drive. Telling a careful trade buyer from a careless one is covered under how to vet a buyer, and the two approaches compared sets this against a private sale.
At webuycar.nl the whole thing runs in English and begins with your number plate. Ask for an offer, and it holds while you think about it. Accept, and we come to the car wherever in the country it is standing, at no cost to you, handle the RDW transfer during that same visit, and pay you as the keys change hands.
A colleague, a neighbour, a friend of a friend
A good number of cars are never advertised anywhere. They move through a team at work, a building group chat, or the network of people who arrived from the same country a few years apart. None of that convenience alters the legal shape of the deal. It is a private sale, every RDW rule for two private individuals applies in full, your buyer needs a Dutch address, and they still have to carry out the transfer themselves before a vrijwaringsbewijs can reach you.
Familiarity is also where sellers get careless. Write down the price, the date and the mileage even for a friend. Confirm the money has reached your own account, not that it has been promised. Then apply the rule you would apply to a stranger: the car stays with you until the transfer is finished. The order of events is set out under how the transfer works. An argument with a colleague about a failing clutch is worse than one with a stranger, because you have to sit near them on Monday.
Working backwards from the date
Decide when the car has to be out of your name before you decide anything else. That one date does most of the choosing for you. A firm deadline, or very little spare time, argues for an outright sale to a business, since that is the only route where the transfer lands on a day you pick. Plenty of time and a wish to set your own asking price argues for a listing, as long as conducting it in Dutch does not worry you. Consignment sits between the two: it moves the effort off you without moving the liability.
One other date overrules all of this. Deregistering from your gemeente, the municipality, narrows the field of people still legally able to buy from you, so anyone leaving the country should read the timeline for leavers before listing anything or accepting anything.