Porsche Cayman User Handbook Manual page 24

Two examples of the uncompromising efforts of our engineers.
Going forward.
The engines of the Cayman models.
The flat-six engines.
The mid-mounted engines of
both Cayman models are compact
and lightweight, and the layout is
familiar: six horizontally opposed
cylinders.
32
The 2.9-litre engine of the Cayman
delivers 195 kW (265 hp) at an
engine speed of 7,200 rpm.
The maximum torque of 300 Nm
is achieved between 4,400 and
6,000 rpm. The engine of the
Cayman S features direct fuel
injection (DFI, p. 34) and has a
larger capacity of 3.4 litres.
Power output is 235 kW (320 hp)
at 7,200 rpm. Maximum torque:
370 Nm at 4,750 rpm.
Each of the engines convinces
with its outstanding performance
figures, extremely smooth
3.4-litre flat-six engine of the Cayman S