Which of the following mechanical components are commonly found on newer unitized constructed vehicles?

Unitized construction refers to a manufacturing process where the body and frame of the vehicle are integrated into a single unit rather than being separate entities. This design choice is typical in modern vehicles for enhanced rigidity and reduced weight.

Mechanical components such as suspension systems, electrical systems, and body panels are all integral to the functionality and structure of newer unitized constructed vehicles.

Suspension components are crucial for vehicle handling and comfort; they are often directly mounted to the unitized body, which allows for more efficient space utilization and better performance.

Electrical systems are essential as vehicles become increasingly sophisticated, with advanced features like infotainment, safety systems, and various electronic controls that are incorporated into the vehicle's architecture.

Body panels, formed to fit the underlying unitized structure, contribute to the vehicle's aerodynamics and aesthetics while ensuring the overall integrity of the body.

Therefore, since these three categories—suspension components, electrical systems, and body panels—are all found in newer unitized constructed vehicles, the correct answer encompasses all of them.