Last week we took a look at a 1973 Audi 100 Coupe S. It was a bit of a gamble, with photos from 1990 and a not particularly detailed description. It was also a 3-speed automatic, and though the 100 isn’t really known as a driver’s car I’d still wager that most enthusiasts would prefer the manual option for these vintage Audis. As if to rectify all of the faults with that listing, around the same time another 100 Coupe S popped up. Now, to say that these cars are rare in the U.S. is an understatement, so it was pretty cool to see a second and more detailed listing appear. With current photos, a fresh restoration, super low miles and a much more detailed description, it certainly looked like the one to choose between the two – except for two not so minor things…