Porsche 911 Carrera 3.2 and 911 Turbo 3.3. 1984 - 1989.
Introduced for the 1984 model year the 911 Carrera 3.2 replaced the 911 3.0 SC. It shared the same body and chassis with a number of detail improvements. Coupe, Targa and convertible body styles were available plus for some markets a 'Turbo Look' option.
I really like these 911, Porsche built them beautifully, strong, simple and involving and even today, when the newest of them would be 13 years old can offer a superb driving experience.
(Pictured left is one of the last of the Porsche Carrera 3.2, this 1989 had 30,000km when I supplied in 2001. Very slightly lowered and the rear spoiler removed).
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The 911 Carrera 3.2 was really a further development of the tried and tested 911 series. The body remained unchanged from the 911 3.0 SC other than in detail, the interior was gradually improved and over the course of it's production life many details were changed, and several additional options were offered.
(Pictured left a Porsche 911 Carrera 3.2 cabriolet in felgen green metallic, 1989 model with the wider rear wheels.)
My view is that its not so important which model year to buy, in fact I rather like the earlier cars, but its most important to find a great example.
The only major change was for the 1987 model year when Porsche introduced a newer, easier and stronger gearbox. Called the G50gearbox, it overcame the cars one weakness. Hence 1987 model onwards examples will fetch a higher price.
(Pictured right is a Silver metallic 1986 Carrera 3.2 Coupe, I bought this beauty a couple of years ago with 30,000km from the original owner. He bought it new in '86 for his 70th birthday, there is little visually to tell between the years.)
These cars were offered with Coupe, Targa and convertible bodies, plus a huge range of options from Sports suspension through to heated seats. Out of hundreds of these that I have owned, I think each one had some detail difference in spec to the next.