The 2015 Subaru WRX has a stronger structure, and the suspension is re tuned with spring rates that are stiffer all around.

With its 17-inch wheels wrapped in Bridgestone Blizzak WS80 tires, the WRX delivers the traction to remain in control with plenty of power to break the tires loose on demand.
It has flared fenders, funky crease-and-angles styling, and it's positioned as a rally beast. Subaru WRX 2015 is stiffer, less racy-looking and perhaps just as homely as its predecessors.

Subaru persists with the boxer engine layout; The 268-hp turbo four and six-speed manual are capable of quicker 0–60 times than the STI.
The 2015 Subaru WRX is a 2.0-liter turbo four, outfitted with a twin-scroll turbocharger and intercooler as well as direct injection. Power output is set at 268 horsepower, while peak torque of 258 pound-feet is delivered from 2,000 rpm to 5,200 rpm.