I remember threads just like this when their was a switch from the 3.8 to the 3.6. Everyone was trying to justify the 3.8...Some people will always be scared of new things. Even when they aren't actually new. A four-cylinder engine is about as simple and basic as you can design. Turbo 4's have been around in the automotive industry for nearly 60 years. There isn't any wizardry to making them work and last a long time. It also isn't as if there is a lot of low RPM load on these engines, as they just don't make enough power below 2K rpms to cause any sort of damage with being in that area of the band. So, that leaves you with issues of having to push the engineto it's redline to make power for towing and just go-ing. That isn't necessary either, as they make plenty of power and torque in the mid range. The 4-cylinder is just fine. It will work and last as long as any other modern engine. If there are issues with it, it is mostly due to a faulty part that happened to be installed, but not due to the architecture of the engine itself.