some systems lack the simplicity of Subaru Symmetrical AWD, they
therefore not only sacrifice efficiency, but also can incur more wear
and tear. The engine on a Subaru is mounted longitudinally -- in line
with the driveshaft -- so power routes directly from the engine to all
four wheels. The components of some other systems -- like those with
transversely mounted engines -- needed to change the direction where
power flows are not needed on a Subaru. Less components means less
things to break down, and it also means less power loss due to friction.
And with power continually flowing with maximum efficiency, you
experience the advantage of seamless traction whenever you need it.