Reuss was driving a supercharged, 556-horsepower (415 kW) 6.2-liter V8 powered V-coupe that uses the same engine found in the CTS-V Sport Sedan introduced 21 months ago. And Reuss appeared to be extracting almost all of the performance possible from both versions of the car – sedan or coupe – in a show of hardware enabled driving prowess.

Engineer though Reuss be, and also the former head of GM Performance, which is responsible for such cars, the Caddy Coupe actually owes its existence – improbably – to a design staff concept done without the usual – stifling – beanie business case. The angular masterpiece was just too seductive for the now long-retired but then product king Bob Lutz to resist.