In 2 years of further development, the car was upgraded into a 3.3 liter, intercooled, turbocharged monster that could go from 0-60 in 4.9 seconds, with a top speed past the 165 mark. The 930 was now just badged "Turbo" on the rear deck lid. 1979 was the last year for the 930 in America.

After a 7 year absence, the Turbo finally returned in 1986. It was virtually the same model, sporting the 4 speed gearbox. By 1989, the car had a 5 speed box, 285 horsepower, a better suspension, better brakes, and wider tires. Performance was down from the Euro version due to strict emissions laws. It was slower than the 1978-79 model.�

1991 911 Turbo (No longer designated type 930), a car rolling on the 964 chassis, but with a 3.3 liter engine, instead of the 3.6 of the Carrera.

1993, the engine size was increased to 3.6 liters, and more power, more speed, and better handling. It now had 360 horsepower and 383 lb-ft torque. It had dual exhaust, better brakes and totally reworked engine components and was discontinued by 1995.