What Is an Additional Driver in Car Rental, and Is It Charged?

Car rental services are becoming an increasingly integral part of travel and transportation plans. Drivers, especially on long journeys, want to consider the additional driver option in order to share the vehicle or reduce the driving burden. However, the additional driver practice in car rental, its conditions, and pricing issues are still matters of curiosity for many users.
So, what is an additional driver, why is it necessary, and do car rental companies charge a fee for an additional driver? In this comprehensive guide, we address all the details in a simple and clear manner.
What Is an Additional Driver and Why Is It Necessary in Car Rental?
The person who is registered in the car rental and is legally allowed to use the vehicle is called the primary driver. An additional driver refers to the second or third person who is included in the rental agreement in addition and is authorized to use the rented vehicle. The name and information of the additional driver are officially added to the contract.
Why is an additional driver preferred?
• To share the driving burden on long journeys
• To prevent fatigue and loss of concentration
• For family members or friends who will use the same vehicle
• To provide driving rotation among company employees on business trips
• To increase driving safety and have a more comfortable journey
Adding an additional driver provides not only comfort but also legal security. Because if the vehicle is used by someone not registered in the contract, the insurance may be considered invalid.
What Are the Conditions for an Additional Driver in Car Rental?
Each car rental company has certain criteria determined for an additional driver. In general, the following conditions are required:
The purpose of these criteria is to ensure that the additional driver meets traffic safety standards and to minimize possible risks.
Is the Additional Driver Fee Mandatory, and in Which Cases Is It Free?
The additional driver service may not always include a mandatory fee. During certain campaign periods or within special programs, a free additional driver right may be offered.
Situations in which a free additional driver may be applied:
• Loyalty program membership (for example Gold and Elite customer levels)
• Corporate car rentals
• Long-term car rental contracts
• Promotional rental periods
• Adding family members (in some countries, valid for a spouse/partner)
Therefore, checking the campaigns and conditions before renting a car can provide an advantage.
What Happens If an Additional Driver Is Not Added? Is the Insurance Valid?
If a rented vehicle is used by someone else without adding an additional driver to the car rental agreement, this may lead to serious legal and financial consequences. All insurance and coverage provided by car rental companies are valid only for the drivers whose names are included in the contract. Therefore, any use made without defining an additional driver may cause the insurance coverage to be completely invalidated. In the event of a possible accident, damage, or traffic violation, the rental company will not accept responsibility, and all financial damages and expenses will be collected from the primary driver whose name is stated in the contract. In addition to this, penalty fees or extra charges may also be applied due to breach of contract. Moreover, since such situations are also evaluated by insurance companies as use contrary to the contract terms, damage claims may be rejected.
In short, even seemingly innocent reasons such as short-term use during vehicle delivery or “someone will use it for just a few minutes” may result in serious consequences. Therefore, everyone who will use the vehicle must be officially defined as an additional driver in the contract in order to protect safety and legal responsibilities. This simple procedure secures both the user and the car rental company.
How Is an Additional Driver Added? What Is the Application Process?
The process of adding an additional driver is one of the most practical and safe steps in the car rental process. It can be easily completed before the vehicle is delivered and does not require any extra procedure. This process, which can be carried out in just a few minutes, both increases driving safety and ensures that the insurance coverage remains valid. Here is a detailed and user-friendly explanation of the additional driver addition process:
The first step to add an additional driver is preferably to state this request during the reservation stage. When making an online reservation, there is usually an “additional services” or “additional driver” option. If this request was not conveyed during the reservation, there is no need to worry; this process can also be carried out at the time of vehicle delivery. When you arrive at the car rental office, the person to be added as an additional driver must present a valid driver’s license and an ID card or passport. At this stage, the car rental company checks whether the additional driver meets the age and license year criteria. This check is important, as there may be age restrictions or experience requirements, especially for young drivers.
When all conditions are met, the additional driver information is officially added to the rental agreement by the staff. If there is an additional driver fee determined by the company, this fee is recorded in the contract and approved by the customer. As an important detail, not only the person renting the vehicle but also the person added as the additional driver must sign the contract. This signature indicates that the additional driver also accepts the rental terms and shares the responsibilities arising from vehicle use.
Afterwards, the vehicle is delivered and the additional driver becomes legally authorized to use the vehicle. This process is of great importance to avoid any risk during the rental. In addition, some companies allow the addition of an additional driver later, even while the rental period is ongoing, if requested. This provides a very flexible experience for the user. Every procedure carried out under proper registration both maintains insurance validity and makes the driving experience safer.
What Documents Are Required for an Additional Driver?
Users who want to add an additional driver must present some basic documents to car rental companies. These documents are requested to perform the identity verification of the additional driver and to document that they have the necessary driving qualifications. Having complete documents ensures that the process is completed quickly and paves the way for the safe delivery of the vehicle. Below are the documents and details that are generally requested for the additional driver identification process:
Required Documents for an Additional Driver
In order to include an additional driver in the car rental agreement, the following documents must be presented:
• Valid Driver’s License
The additional driver must have a valid Class B driver’s license. Some companies may require at least 2 years of license experience. For luxury segment vehicles, this period may increase up to 3 years.
• ID Card or Passport
A Turkish ID card or, for foreign nationals, a passport is required for identity verification. It is important that the identity information is up to date.
• Signature on the Rental Agreement
The additional driver must also approve the rental agreement with a wet-ink signature. This signature shows that they can legally use the vehicle and that they accept the rental conditions.
• Credit Card Information (When Required)
Some car rental companies may request additional security for the additional driver. Especially for damage liability or additional service situations, the additional driver’s credit card may be requested.
• International Driving License (For International Rentals)
For rentals outside Turkey or for those who want to drive in foreign countries, an International Driving License (IDL) may be mandatory. Although a Turkish driver’s license is valid in some European countries, an IDL requirement may apply in countries such as Switzerland, Japan, and the United States.
Are Additional Documents Required?
According to the policies of rental companies, in some additional cases, extra documents may also be requested:
• Proof of residence or address verification
• Company authorization document for corporate rentals
• Additional security form for young drivers
• Entry stamp (passport) for foreign visitors
Insurance and Additional Driver: Which Insurances Are Affected?
Specifying an additional driver in car rental is a mandatory requirement in terms of insurance. Otherwise, the following insurance types may be considered invalid:
In summary: Adding an additional driver to the contract is a security procedure.
Additional Driver Practice in Long-Term Car Rental
The additional driver practice in long-term car rental is an important option that makes the car rental experience more flexible, safe, and user-oriented. While the additional driver in short-term rentals is more aimed at individual needs, in long-term rentals this practice offers a strategic advantage for both individuals and especially for companies. Particularly in fleet rental solutions, the additional driver allows a vehicle to be used alternately by multiple authorized persons, thereby both increasing business efficiency and providing convenience in operational processes.
For companies, the additional driver definitions made within the scope of long-term rental provide great convenience in cases where there is an employee change or when different staff need to use the same vehicle at different times. At the same time, individual users can also benefit from this practice in order to reduce the driving burden and increase safety by sharing the vehicle during regular in-city or intercity journeys. Additional driver options in long-term rentals are offered under much more advantageous conditions compared to short-term rentals.
Are You Ready for the Road?
If you are looking for a reliable, transparent, and comfortable car rental experience, Europcar Turkey is with you with special advantages!
✅ Affordable price options
✅ Additional driver support
✅ Wide vehicle fleet
✅ Airport and in-city deliveries
👉 Visit Europcar Turkey now to rent a car safely and start your journey with advantageous prices!