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FOR OVER 30 YEARS, the Subaru name has been synonymous with All-Wheel Drive (AWD). It is an essential part of the
Subaru experience. So it should come as no surprise that every vehicle we build comes equipped with our advanced
Symmetrical All-Wheel Drive system. Uniquely innovative, it features drivetrain components positioned along a
longitudinal axis and between the
vehicle axles for optimum balance and
control. In turn, power is delivered to
all four wheels, and distributed wher-
ever traction is required most. Every
vehicle has its own specific All-
Wheel Drive requirements, however.
So Subaru engineers have thoughtfully developed multiple systems, each with its own distinct advantages. When
integrated with our Subaru Boxer engine and our 4-wheel fully independent suspension, these advanced All-
Wheel Drive systems deliver a level of performance, agility and handling that could only come from Subaru.
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Symmetrical All-Wheel Drive22
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Symmetrical All-Wheel Drive
2
Optional on most models
is a smooth-shifting 4-speed
automatic transmission.
A 5-speed manual trans-
mission is standard on most
Impreza models.
2
1
1
IMPREZA WRX STi. In keeping with its dedication to
uncompromising performance, the WRX STi uti-
lizes an advanced Driver Controlled Center
Differential (DCCD) All-Wheel Drive sys-
tem. In automatic mode, its planetary
center differential splits the engine
torque, sending 65% to the rear wheels
and 35% to the front. In turn,
an electronically controlled multi-plate
transfer clutch continually
adjusts the torque split for
superb handling in virtu-
ally all driving conditions.
SUBARU, 1997
|
Subaru becomes the only manufacturer in the world
to feature standard All-Wheel Drive in its entire vehicle line.
Impreza Models AWD System How It Works
2.5 RS, Outback Continuous Utilizing a viscous-center locking differential, normally,
Sport and WRX power is split 50/50 between the front and rear wheels.
with 5-speed If wheel slippage occurs, the center differential helps
manual transfer power to the wheels with the best traction.
2.5 RS and Active Featuring an electronically managed continuously
Outback Sport variable multi-plate transfer clutch, this AWD system
with 4-speed can anticipate slippage and transfer power to the
automatic front or rear wheels with the best traction.
WRX with VTD Variable Torque Distribution (VTD) uses an electron-
4-speed ically controlled hydraulic transfer clutch in con-
automatic junction with a planetary gear-type center differential
to control power distribution between the front and rear
wheels. Normally, the VTD system splits power 45% front
and 55% rear, for more of a performance-driving feel.
WRX STi DCCD Featuring both manual and automatic modes, Driver
with 6-speed Controlled Center Differential (DCCD) All-Wheel Drive
manual uses an electronically managed multi-plate transfer
clutch in conjunction with a planetary gear-type center
differential to control power distribution between the front
and rear wheels. Normally, DCCD splits power 35% front
and 65% rear for an even greater performance-driving feel.