When it comes to automotive architecture, the standard solution is four doors for passenger models. However, there are exceptions in the world that baffle even experienced drivers. The request “car with 7 doors” often sounds like a joke or a description of a fantastic vehicle, but technically it is quite possible to implement such a scheme.
This usually means stretch limousines, specialized public transport or highly modified prototypes. In the classic automobile industry, the number of openings for passengers is strictly regulated by safety standards and aerodynamics. However, history knows examples of engineers going beyond the norm.
In this article we will analyze in detail which cars really have seven or more doors, how they are structured body structure and why you are unlikely to see such a model in mass production. We will also touch on the topic of technical tuning and the legal aspects of such alterations.
Are there production cars with seven doors?
If we talk about mass production, then passenger car with seven doors is rather the exception that proves the rule. The standard layout includes two or four side doors. Adding a fifth element (trunk lid) is considered the norm for hatchbacks and station wagons, but the sixth and seventh doors require a radical change body geometry.
The closest to this concept are extended versions of premium sedans. For example, some models Mercedes-Benz or Cadillac Limousine versions may have additional sections. However, most often the seventh opening is considered to be a hatch in the roof or a specific design of the luggage compartment, which technically is not a full-fledged door for passengers to enter.
⚠️ Attention: Finding a production car with seven full-fledged side doors in regular car dealerships is an almost impossible task. Such machines are created to individual order.
The engineering difficulty lies in maintaining body rigidity. Each additional hole in the vehicle's frame requires reinforcement of the pillars and sills, which increases weight and reduces overall side impact safety. That is why automakers avoid such solutions in the mass market.
Limousines and stretch versions: where are the additional openings hidden?
The main niche where you can find a car with 7 doors is the industry luxury transport. Limousines are often created by cutting apart a standard body and inserting an additional section. Additional doorways can be installed in this gap for the convenience of passengers.
The classic limousine has four doors, but in the extended version their number can increase to six or eight. The seventh element is sometimes secret door in the partition between the driver and the cabin or a specialized hatch for serving drinks. Such solutions are typical for wedding or motorcade cars.
- 🚘 Classic stretches: often have 6 side doors, the seventh can be implemented as a tailgate.
- 🥂 Party limousines: equipped with additional entrances for quick boarding of a large group of people.
- 🛡️ Armored versions: May have complex access systems involving multiple layers of doors.
It is worth noting that driving such a vehicle requires special categories of rights and skills. The length of the body and the number of opening elements create difficulties when maneuvering in city traffic. The driver must clearly control the dimensions of all seven openings.
When ordering a limousine, check the actual number of working doors, as some may be decorative or locked.
Public transport: minibuses and shuttles
If we move away from passenger cars, then a car with 7 doors is a reality in the segment public transport. Minibuses operating on fixed routes are often equipped with multiple openings to speed up boarding and alighting. This is dictated by the need for high throughput and speed of passenger service.
Typical urban shuttle bus based on the Ford Transit or Mercedes Sprinter, it can have one door for the driver, two main passenger doors on different sides and additional emergency exits. The total number of opening elements can reach seven or more, if you count hatches and vents.
Particular attention is paid here pneumatic systems openings. Mechanical locks quickly fail in such conditions, so compressed air is used. The reliability of these mechanisms is critical to the safety of the people inside.
| Type of transport | Number of doors | Purpose | Features |
|---|---|---|---|
| Minibus | 5-7 | Passenger transportation | Sliding structures |
| Hotel shuttle | 6-8 | Transfer of guests | Low floor |
| Prison bus | 7+ | Escort | Reinforced locks |
| Mobile office | 6-7 | Business meetings | Tightness |
Often found in such machines asymmetrical door arrangementwhen there are more of them on one side than on the other. This is due to the organization of traffic on specific routes or the characteristics of parking at the terminals.
Unique prototypes and concept cars
Automakers love to surprise the public at trade shows by creating concept cars with futuristic design. A car with 7 doors may appear as a demonstration of new opening technologies or interior modularity. Such projects are rarely launched into series, but remain in history.
One example of non-standard solutions are cars with gullwing doors or a fully opening roof. If you combine several of these solutions, you can get a configuration with many openings. Engineers are experimenting with materials to make such structures lightweight.
⚠️ Warning: Concept cars often do not meet road regulations and cannot be registered for use on public roads without major modifications.
Some concepts involve a complete transformation of the body. When folded, it is a compact city car, and when unfolded, it provides space with multiple entrances for events. This direction is known as mobile architecture.
The most famous example of a strange door
DeLorean DMC-12
Although the DeLorean only has two doors, they open upward, which has become iconic. Imagine if there were four or six of these doors - it would create a unique visual effect, but would make the car unsuitable for garages with low ceilings.
Technical feasibility of creating a car with 7 doors
Theoretically, you can turn an ordinary car into a car with 7 doors tuning studio. This requires bodies, the introduction of additional racks and the installation of complex locking mechanisms. However, the cost of such work may exceed the price of the car itself.
The first step is always calculation bearing capacity frames If you simply cut out a piece of metal and insert a door, the body will become “soft” and may collapse in an accident. It is necessary to use high-strength alloys and gas-shielded welding.
- 🔧 Marking: precise determination of cutting locations to avoid damage to power elements.
- ⚙️ Mechanisms: selection or production of hinges that can withstand the weight of the door.
- 🔒 Castles: integration into the overall central locking and alarm system.
After the physical installation of the elements, the stage follows computer modeling and crash tests. Without confirmation of safety, operation of such a vehicle is prohibited. Modern safety systems (airbags, pretensioners) must be reprogrammed to the new geometry.
☑️ What is needed to create a 7-door car
Legal aspects and registration of changes
In most countries, including the Russian Federation, design changes vehicle requires mandatory approval. A car with 7 doors will be classified as a vehicle with modified body geometry. This entails the need to undergo an examination and obtain a certificate.
The legalization procedure begins with obtaining a preliminary conclusion from a testing laboratory. Experts are assessing whether installing additional doors will affect traffic safety. If changes affect the power frame, the chances of approval are minimal.
If the car is registered as cargo-passenger (van), converting it into a passenger van with many doors is easier, but it still requires changes to the title. Ignoring these rules risks deregistration of the car and a fine.
⚠️ Attention: An unauthorized change in the number of doors is equivalent to making changes to the design that have not passed the test. These are grounds for deregistration of a vehicle.
Owners should remember about insurance. The insurance company may refuse to pay if it turns out that the car was modified illegally. Any changes must be reflected in the documents.
Legalization of the 7-door configuration is possible only for special equipment or if there is a factory certificate for the model.
Practicality and disadvantages of multi-door designs
Is the game worth the candle? A car with 7 doors is certainly original, but extremely inconvenient in everyday life. Each additional opening is a potential point of heat loss, noise and moisture penetration. Tightness It is very difficult to provide such a car.
Also suffers aerodynamics. Seams and joints increase air resistance, which leads to increased fuel consumption. At high speeds, whistling and vibrations may occur, making the ride uncomfortable. The weight of the structure also increases, which negatively affects dynamics and braking.
Maintenance of the seven door mechanisms requires constant attention. Lubricating hinges, adjusting locks, replacing seals - all this becomes a regular headache for the owner. In Russian winter conditions, mechanisms can freeze, blocking the exit from the cabin.
Why don't they make 7 doors at the factory?
The main reason is cost and safety. Extra seams weaken the body, and production becomes more expensive.
Thus, a car with 7 doors remains the lot of exclusive projects or specific vehicles. For the average user, the optimal choice remains proven four-door designs or roomy minivans with convenient sliding doors.
Is it possible to legalize the insertion of additional doors into a passenger car?
Almost impossible. Examination almost always shows that a violation of the power structure of the body reduces safety below acceptable standards.
Which car has the most doors in the world?
The record holders are articulated buses (“accordions”), where the number of doors can reach 10-12 for quick boarding of passengers.
Does the number of doors affect the cost of insurance?
Yes, if the design change is legalized and the car is reclassified (for example, as a taxi or special transport), tariffs may change.
Are there cars with doors in the roof?
Yes, these designs are called Targa or Gullwing, but they are usually considered a single opening, and not separate doors in the classical sense.