I'm sure it will be a Duramax. The current style won't accept a Duramax but I bet the new one will. I'm sure GM will keep the current style for years to come.
Duramax, Hummers have nothing to do with penis size. Tahoes are for guys like you that can't afford Hummers. That's all. Better get back to work, smells like the burgers are buring.
03 Sunset H2!
89 Vette
02 Escalade