Subaru Impreza WRX STi \\\'2001–02 (J)
Production year
2001–2002
Engine type
Flat-4 T
Engine name
EJ207
Max Speed
238 km/h
Power
295 hp
Max RPM
8000
0-100 km/h
5.5 sec
Torque Peak
397 Nm
Transmission
5-MT
Weight
1430 kg
Layout
4WD
Number Produced
n/a
Manufactured in
Japan
JDM model have 8000 rpm redline and 2.0 L motor, while overseas have 6600 rpm redline and 2.5 L EJ
Built on a significantly modified version of the first generation platform, the new Impreza followed much the same formula as its predecessor, including a similarly contoured silhouette. Despite this, the front-end styling—distinguished by ovoid headlamps—attracted significant controversy. Body dimensions for the sedan increased by 45 millimetres (1.8 in) in length, 40 millimetres (1.6 in) in width, and 25 millimetres (1.0 in) in height; wheelbase increased by 5 millimetres (0.2 in). To satisfy Japanese vehicle size tax regulations, the width of the hatchback increased by just 5 millimetres (0.2 in) to 1,695 millimetres (66.7 in) and therefore remaining in the limit “5” classification. As Subaru had intended to homologate the sedan chassis for rallying, the decision to increase the width of the sedan—which placed it into the higher taxed number “3” division—brought added stability. Likewise, the 20-millimetre (0.8 in) increase in track for the sedan also worked the aid handling, with the hatchback gaining just 5 millimetres (0.2 in). Other main improvements to the chassis included a 120 percent increase in torsional rigidity; mainly due to revisions in front subframe design. The suspension retained its basic McPherson strut in the front and rear, although Subaru altered the geometry.
The GD chassis gains nearly 200 kilograms (441 lb) in weight over the GC chassis. Subaru claims that compared to the previous model, the GD chassis is 148 percent and 82 percent stiffer in torsional and beam rigidity, respectively. This stiffness is primarily due to the addition of a steel “ring” which encircles the cabin at the B-pillar. While the stiffness was increased for passenger safety, it has the added benefit of providing more stability for motorsports events. Firehouse magazine notes that the Jaws of Life need to cut the Subaru’s B-pillars at certain points in order to cut through the car frame.
In terms of safety, the GD chassis scored much higher than the GC chassis and earned a “Good” rating (highest mark) from the IIHS’s offset crash test. 4 stars front driver, 5 star front passenger and 4 star side safety ratings from the NHTSA.
Wheelbase 2,525 mm (99.4 in)
Length 4,415 mm (173.8 in)
Width Sedan: 1,730 mm (68.1 in)
Height 1,425 mm (56.1 in)
Tires 225/45/17
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