Most car rental companies in Aguascalientes require a credit card for renting a car. This is done as a security measure in case there are any damages to the rental vehicle during your rental period.

To rent a car in Aguascalientes, you will typically need the following documents:
- A valid driver's license from your country of residence
- A valid passport or identification card
- A credit card in the main driver's name for the security deposit
- Proof of insurance coverage (if not already included in the rental agreement)

Some car rental companies in Aguascalientes may accept debit cards, but it is recommended to check with the specific rental company beforehand. Keep in mind that using a debit card may result in additional requirements or restrictions.

The average cost of renting a car in Aguascalientes can vary depending on factors such as the rental duration, type of car, and rental company. It is recommended to compare prices from different car rental companies to find the best deal for your needs.

Most car rental companies in Aguascalientes allow you to return the rental car to a different location within the same city. However, there may be additional fees or restrictions for returning the car to a different city or location. It is recommended to check with the rental company beforehand regarding their specific policies.

The fuel policy for rental cars in Aguascalientes may vary between companies. The most common policies include:
- Full to full: You receive the car with a full tank of fuel and you are expected to return it with a full tank.
- Pre-purchase: You pay for a full tank of fuel upfront and can return the car with any fuel level.
- Partial refund: You pay for a full tank of fuel upfront and will receive a partial refund for any unused fuel when returning the car.
It is important to read and understand the fuel policy of the rental company before renting a car.