The short answer: if you are moving around Tulum — town, nearby cenotes, the hotel zone and the ruins — the golf cart wins easily. If your plan includes Chichén Itzá, Bacalar or Valladolid, you need a car. And if you are doing both, the cheapest option is not to choose: it is to combine.
The real question is not which is better
It is where you will be going. The two vehicles solve different problems, and the expensive mistake is renting the one your itinerary does not call for.
| Golf cart | Rental car | |
|---|---|---|
| Inside Tulum | Ideal | Works, with friction |
| Federal highway 307 | Not allowed | Yes |
| Parking in the hotel zone | Fits almost any gap | Expensive and scarce |
| Sand roads | Made for it | Depends on the car |
| Four people with beach gear | Yes, four seats | Yes |
| Air conditioning | No | Yes |
| Day trips out of town | No | Yes |
When the cart wins
It wins on about eight trips out of ten, because eight trips out of ten happen inside a twelve-kilometre radius. It is what people who live here use, and not out of romance: it goes where a car does not, parks in any gap, and travels at the right speed for a road with a speed bump every three hundred metres.
There is one detail you only appreciate on the ground: the beach road is a single road, long and with almost no room. A car there is a logistical problem. The cart is not.

When the car wins
When you are leaving Tulum on the federal highway. The cart cannot go there — it is not a rental restriction, it is simply not built for it — so any plan that starts with "we'll drive an hour and a half to…" needs a car.
It also wins if you are moving between destinations with a lot of luggage, or if midday heat with small children is non-negotiable for you: the cart is open, roofed but without air conditioning.
What repeat visitors do
A cart for the Tulum days and a car by the day for the long excursions. It works out cheaper than leaving a car parked at the hotel for five days to use it on two, and it avoids the worst of both worlds: paying for parking in the hotel zone for a vehicle you only use to go to dinner.
Rule of thumb: if fewer than two days of your trip leave Tulum, do not rent a car for the whole trip.

What nobody tells you about parking
In the hotel zone parking is expensive and scarce, and in high season there are whole stretches with simply nowhere to leave a car. A cart fits into gaps a car cannot use, and that changes the entire day: you stop where you feel like stopping instead of circling for a space.
In town the opposite of what you would expect happens: the streets are wide, but they are lined with cars parked on both sides. Again, the gap that is left is cart-sized.
Quick questions
Does the cart reach the ruins and the cenotes?
The Tulum ruins and the cenotes on the Cobá road, yes — they are minutes from town. Dos Ojos, further north, is half a day and worth checking against the zone in your contract. We break it down in the cenotes you can reach by cart.
Can I drive it at night?
Yes, on the main roads and with your lights on. Not on the federal highway, which is no place for a slow vehicle.
Which one works out cheaper?
It depends how much you move, and the sum is not obvious. It is worked out in what getting around Tulum really costs.
How to decide in two minutes
Open your itinerary and count the days that leave Tulum. Zero or one: cart. Three or more: car, and maybe a cart on the other days. If you do not even know where you are sleeping yet, start with where to stay in Tulum, because the area decides more than the vehicle does. And once it is clear, check your dates.