The 2011 Subaru Impreza is available in either wagon or sedan bodystyles and several trims: 2.5i, 2.5i Premium, WRX, WRX Premium, WRX STi and Outback Sport (wagon only). The GT has been discontinued, but new Outback Sport Special Edition and WRX STi Limited sedans are available. Updates for this year include a number of changes such as updated audio systems, optional portable TomTom Navigation System with available back-up camera. WRX models havea wider front and rear track, stiffened subframe bushings, larger tires, and standard power moonroof on Premium and Limited trims. Sti models receive chassis and suspension upgrades, high polish quad steel exhaust pipes, and a freshened gauge cluster. The Wagons body has been modified to enhance a more aggressive and lowered appearance.