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White and Nerdy
Join Date: Jun 2004
Location: South of Charlotte N.C.
Posts: 14,923
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I believe it started with the 964, which is also when Carrera became "standard" instead of special.
1989? Maybe 1990.
As far as I know it has been available from the 964 to present.
The 911 Turbo became AWD as standard, perhaps with the 964 as well.
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