Subaru Impreza WRX STI 2011 Review. Subaru Impreza WRX STI has been the beneficiary of a continuous improvement since its launch. In 2010 WRX STI Special Edition presented some suspension improvements migrated to the 2011 Subaru Impreza WRX STI. further development of chassis and carefully detailed, including testing at Nurburgring in Germany celebrated, led the best models for handling Impreza WRX STI, Subaru has ever offered.
The Subaru Impreza WRX STI is already a highly optimized machine performance. setting specific chassis. Aluminum front lower L-arms reduce unsprung weight of the vehicle. Larger changes include setting the chassis ride height lowered and new ball bearings holding the front and stiffer bushings for the subframe, which supports the double wishbone suspension – these improve the rigidity of camber and feet.
Both front and rear suspension use a higher rate springs and thicker stabilizer bars front and rear than the 2010 model, 21 mm against 20 mm front and 19 mm vs. 18 mm in the rear. Spring has risen from 15.6 percent before and 53 percent behind.
The 2011 WRX STI is still the ultimate performance Subaru with high-boost turbo of 305 hp / 4 cylinder changer. Boxer engine and six-speed manual transmission. ETI also offers multi-mode Driver Controlled Centre Differential (DCCD) version of Symmetrical All-wheel with three modes “AUTO”, and a manual mode with six differential driver to select closing adjustments.
Subaru Impreza WRX STI is equipped with advanced dynamic control systems, as follows: Multi-mode Vehicle Dynamics Control (VDC) stability system and traction control is standard and has a track mode optimized performance, Subaru Intelligent Drive (SI-DRIVE) technology makes it possible for the driver to adjust the car driving characteristics by choosing from among three selectable modes – “Intelligent” “Sport” and “Sport Sharp” – using a rotary switch on center console.