Decoding Early 911 Values

Contrary to myth, 1965–68 SWB cars are not rare, with 44,943 units made—that’s 40% of production from 1965 to 1973

by Jim Schrager

This chart of 911 data has never been seen before. This is because the Porsche records are a mess, there are several massive typographical errors in the published data, and no one had taken the time to put all the conflicting data together over the past 25 years and try a “best effort” to make sense of it.

The data below, even though a great deal of work has gone into compiling it, should be counted a “best effort.” It is subject to additional updates as better factory records are discovered. Part of the essential problem is that these cars bridge the period when Porsche switched from careful handwritten documents to computers, and as anyone who has ever lived through such a conversion knows, there is always data lost along the way. These errors were augmented by poorly proofread data charts through the years, with compounding and cascading errors....