At this point I have featured pretty much every rare 964 variant that exists, and as I’ve stated previously there were a lot of rare 964s, more so than other 911 models. I’m fairly certain this one will complete the set, even if the Turbo S2 can be argued to be an option package rather than a distinct model. No matter. With only 20 such beasts produced, so as to meet the minimum production numbers for homologation purposes, the Turbo S2 is one of the lowest production 911s we’ll find across the entire 911 range. Other parts of the world would receive the 3.3 liter 911 Turbo S, a much lightened higher-horsepower variant that provided a wonderful sendoff for the 3.3 liter turbo that served Porsche so faithfully for much of the 930’s life and the early years of the 964 Turbo. For the Turbo S2, modifications were limited to the engine so these aren’t as lightweight and hardcore as the Turbo S, but with 381 hp delivered only to the rear wheels via a single turbo the performance would be very brisk and attention holding. For their production Porsche sent 20 US Turbos to Andial where their engines were modified before being delivered to their new US owners. The example here is somewhat peculiar among very rare Porsches: it’s been driven! Here we have a Slate Grey Metallic 1992 Porsche 911 Turbo S2, located in Calgary, with 91,100 miles on it.