58 · Drive systems and chassis | Chassis
Making headway without getting in a spin.
An approach we thoroughly support.
Porsche Torque Vectoring Plus
(PTV Plus).
A system for enhancing driving dynamics
and stability, PTV Plus offers variable
distribution of engine torque to the rear
wheels and electronically controlled rear
differential. Depending on the steering
angle, steering speed, throttle pedal
position, yaw velocity and vehicle speed,
PTV Plus optimises steering response
and precision by applying brake pressure
to the left or right rear wheel, as
r equired.
Specifically, this means that when enter-
ing a corner at high speed, moderate
brake pressure is applied to the inside
rear wheel. This transfers drive torque to
the outside rear wheel which supports
the steering motion of the car, thereby
improving its cornering dynamics.
At slow and medium speeds, PTV Plus
considerably enhances agility and steer-
ing precision. At high speeds, during
fast cornering and under wheel spin, the
electronically controlled rear differential
ensures additional stability. Also on
variable-grip surfaces, in the wet and on
snow, PTV Plus – combined with Porsche
Traction Management (PTM) and Porsche
Stability Management (PSM) – provides a
major contribution to active safety.
In off-road terrain, PTV Plus reduces
wheel spin on the rear wheels – even
when towing heavy trailer loads. The
electronically controlled rear differential
can be fully locked using the off-road
control on the centre console.
Optional for the Cayenne, Cayenne S,
Cayenne GTS and Cayenne Turbo.
Porsche Active Suspension
Management (PASM).
PASM is an electronic damping control
system. It offers continuous adjustment
of individual damping forces based on
current road conditions and driving style.
During performance driving or heavy off-
road use, there is an increased tendency
for the body to sway. PASM prevents
this from happening, thereby improving
stability and occupant comfort. PASM
has three setup modes: ‘Comfort’,
‘Normal’ and ‘Sport’.
Porsche Torque Vectoring Plus (PTV Plus)