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[2] [20] The first use of a PDK in competition was the 1985 Porsche 962 C Le Mans racing car, which won the World Sportscar Championship in 1986. [2] [21] The PDK transmission was also used in the 1985 Audi Sport Quattro S1 Group B rally car. [7] [22] The first mass-production passenger car to use a DCT was the 2003 Volkswagen Golf R32. [2] [6] [9]
Both engines are equipped with a 6-speed manual gearbox and an optional 7-speed reworked PDK. Both manual and automatic models are available with several technical options including Porsche Torque Vectoring (PTV) and a Sport Chrono Package that includes active transmission mounts, and makes the PDK-equipped model even faster.
Both models now came standard with a new 6-speed manual gearbox and were available with a 7-speed Porsche Doppelkupplungsgetriebe (PDK) dual clutch gearbox. Cosmetic changes included new head and tail lights, larger front air intakes with incorporated day time running lights, and an altered lower rear end flanked by twin diffusers.
The transaxle configuration combines the gearbox and final drive in one housing and is only built in individual cases; In the transverse direction, the gearbox and final drive are very often combined in one housing due to the much more restricted space available; Every type of transmission occurs in every type of installation.
A direct-shift gearbox (DSG, German: Direktschaltgetriebe [1]) [2] [3] is an electronically controlled, dual-clutch, [2] multiple-shaft, automatic gearbox, in either a transaxle or traditional transmission layout (depending on engine/drive configuration), with automated clutch operation, and with fully-automatic [2] or semi-manual gear selection.
All models include standard 6-speed manual transmission except for the Turbo S models and Speedster. The 7-speed PDK transmission was available in all but GT3, GT3 RS, GT3 Cup, GT3 RS 4.0, GT2, GT2 RS, and Sport Classic models. The PDK transmission features a Sport Plus setting that includes launch control and faster shifts.
Porsche's focus was on reducing internal friction to improve throttle response. Compared to the 991.1, the rear spoiler is higher and located further back to be more effective. There is a new front spoiler and changes to the rear suspension. The 991.2 GT3 brought back the choice between a manual transmission or PDK dual-clutch transmission.
The Porsche Tiptronic S automatic gearbox was replaced by the 7-speed PDK dual clutch transmission for the new model. Also a limited slip differential is now a factory option. [42] The Cayman R was introduced in 2011 as the pinnacle of the 987.2 generation with a reduced weight, increased power, improved aerodynamics and handling.