One of the amazing realizations when it comes to high-end computational testing is that you can simulate products so thoroughly that there are few surprises when the real thing is sitting in front of you. At a recent event, I stood in front of the result of 50 million hours of engineering testing: The 2016 Cadillac CT6. It’s about to go into full production and hits dealers next year.

The 2016 CT6 is a vehicular marvel. It has 34 speakers, a front and rear-facing camera that can spot impediments, and a 400-horsepower twin-turbo engine. But the really interesting part to me is that the materials used to build the car were bonded in a way that has never been done before (that’s why they had to do all of that testing). Because of this, the car uses mostly aluminum parts on the exterior but still relies on steel for the interior components.

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