While it is true that more powerful engines in the Porsche Cayenne can result in increased stress on the drivetrain components, including the transfer case, it is not accurate to say that the number of transfer boxes a vehicle goes through is solely determined by engine power.

The transfer case is responsible for distributing power from the engine to the front and rear wheels in all-wheel-drive systems. It is designed to handle a certain amount of torque and power based on the vehicle’s specifications. While a more powerful engine can generate higher torque and put additional strain on the transfer case, modern vehicles are engineered to handle these loads.

Several factors influence the durability of the transfer case, including design, materials used, manufacturing quality, and overall vehicle weight. Additionally, driving habits, maintenance practices, and operating conditions can affect the lifespan of the transfer case.

It’s worth noting that different Porsche Cayenne models may have variations in drivetrain components and configurations based on engine types (e.g., diesel, gasoline) and additional performance features. However, it is not a general rule that V8 engines will require more frequent transfer case replacements compared to 3-liter diesel engines.

Regular maintenance, proper usage, and adherence to the manufacturer’s guidelines are crucial to ensuring the longevity of the transfer case and other drivetrain components in any vehicle, regardless of engine size or power.