Actually, it was a 928.
The lay-back (“slantnose”) headlamps were the dead giveaway – though I did photograph them ambiguously and Porsche had annoyingly diluted the design trope through reuse in 968s and a few other models I can’t track down.
No-longer-mystery vehicle
The foregoing posting appeared on Joe Clark’s personal Weblog on 2005.07.10 15:32. This presentation was designed for printing and omits components that make sense only onscreen. The permanent link is: https://blog.fawny.org/2005/07/10/mystere/