Back in Mass in the late 80s, had a buddy with a grey-market 2-door hardtop 280GE which was an early consumer version of the GW. Acceleration was measured in days but the thing was an absolute monster off road. The low range gearing with separately full locking front and rear diffs meant this thing was nearly unstoppable.
Back then, this truck was really unusual because they weren't imported, so got tons of attention. Looked just like this one: