The price of a car wash at a car rental office in Dubai upon delivery of the vehicle may vary depending on the size and type of the vehicle, as well as the services included in the wash. Some car rental offices in Dubai may offer a car wash service as part of the rental package, while others may offer it as an optional add-on service for an additional fee.

If a car wash is included as part of the rental package, the price may be determined by the specific terms of the rental agreement. For example, the car rental office may include a basic car wash as part of the package, or may offer a more comprehensive wash package that includes interior detailing and other services for an additional fee.

If a car wash is offered as an optional add-on service, the price may vary depending on the specific services included and the size and type of the vehicle. Some car rental offices in Dubai may offer basic car wash services starting at around AED 50 (approximately 14 USD) for a small car, while others may offer more comprehensive wash packages that include interior detailing and other services for a higher price.

To find out the specific price of a car wash at a car rental office in Dubai upon delivery of the vehicle, it's a good idea to contact the office directly or check their website for more information. You may also be able to find information about car wash prices and services by looking online or asking other car rental customers for recommendations.