I'm about 75% on getting them off by hand. The 06+ cars with the pretzel header are a bit tighter but I'm 6'2" and hands to match. I've worked with this same pair of hands extensively over the years - indeed it's rare that I use any other pair.
They say the average grip strength of 25-35 males in the US has decreased by something like 25% since 1980.
I guess with the combination of video games, software engineering, Army, heavy industrial, and automotive I have the hand strength equivalent of your average super hero. And later in life probably a scorching case of carpal tunnel.
GD