The Porsche 911 has been available with a turbocharged engine for the majority of the years since 1974 .
1974 : At the height of the oil crisis , Porsche introduced the 911 Turbo , which was the fastest mass - produced car at the time .
The Porsche car has been available with a turbocharged engine for the majority of the years since 1974 .
1974 : At the height of the oil crisis , Porsche introduced the 911 Turbo , which was the fastest mass - produced car at the time .