My rocket scientist brother says ......
 

That the Yukon was a package that was available from GM back in the '70's. Is he a hero or a zero? I've never heard of it myself.

By the way, he drives a F**D.

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Yukon's didnt come out until late '96

Before the Yukon's that we all see every day came out, there was an earlier version.

In the early 90s, the 2 door GMC version of the Blazer was the Yukon. They're pretty uncommon to see. Man, I always wanted one of those when they were new.