Thunderbirds, specifically referring to the classic British television series and the associated vehicles, are fictional creations and not real-world vehicles. Therefore, they do not require maintenance in the traditional sense.
For the US Air Force Thunderbirds, their aircraft, the F-16 Fighting Falcon, are generally expensive to maintain, as they are high-performance military jets. These aircraft require regular inspections, servicing, and repairs to ensure their safety and operational readiness. The precise cost of maintenance would depend on factors like the number of aircraft in the fleet, the frequency of flights, the availability of spare parts, and the specific maintenance requirements set by the Air Force.
As for the Ford Thunderbird, it is a luxury automobile, and the maintenance costs can vary based on the model year, condition, and specific maintenance needs. Luxury vehicles often come with higher maintenance costs due to the complexity of their systems and the need for specialized expertise. Factors such as routine servicing, parts replacement, and repairs can contribute to the overall cost of maintenance.
It's important to note that specific details regarding maintenance costs for either Thunderbird mentioned above would depend on factors that can change over time. Therefore, it's best to consult with current sources such as official documentation, maintenance experts, or the respective manufacturers for up-to-date and accurate information.