New spy video shows Silverado HD prototypes testing in CO, supposedly with the 8.3L Duramax MegaMax engine. The question is - is there really a MegaMax engine?

This Yukon combines AT4 ruggedness with Denali comfort, but asks a six-figure price in return—so ask yourself if you really ...

If you have a strong affinity for massive diesel engines, you ought to invest in this one. Online rumors have been ...