The 911 Turbo and 911 Turbo S

Lightweight design.
An alloy engine means less weight
and, consequently, reduced fuel
consumption. The intelligent
engine design also saves weight.
Engine with air-filter housing with a carbon fiber-weave finish in the 911 Turbo S models
The alloy crankcase is
divided vertically, with the
cylinders integrated into
the crankcase. For optimal
durability, we’ve used forged
connecting rods, along with
aluminum pistons running in
cylinder walls. The rods are
made from an aluminum/
silicon alloy and cooled via
individual oil-spray jets.
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Integrating the camshaft bearing
system fully into the cylinder
heads has also saved weight.
The subsequent low levels of
engine friction and the efficient
design of the oil supply system
have helped to reduce fuel
consumption even further.