If you live in the magical land of Narnia, you might think that a four-cylinder turbo engine isn’t robust enough for use in a full-size pickup truck like the Chevrolet Silverado. Meanwhile, in reality, GM’s 6.2-liter V8 engines are self-destructing at low-mileage, sometimes while idling, as the TurboMax four-cylinder builds its reputation for durability – and delivering more torque for less money than the 5.3-liter V8 above it within the lineup.