At idle it sounds just like a V8. Maybe it had half the cylinders turned off? My guess is a Benz or AMG engine, maybe 2 melded V8s?
SBC in an X90 huh? I'm guessing it would go like this:
that was hilarious. best captions ever.
Mazda GLC tailgate?
of interest: http://www.huffingtonpost.com/2012/07/18/mar…
How have I never noticed that? Stunning.
I sometimes have the urge to veer off the highway at 80+mph into an massive, solid object. No wait...that's what I wish I could see some others drivers do.