Subaru Wrx Impreza Spec R1. In 2005, the wrx sti was still a part of the second generation of the impreza model of subaru. Subaru claimed the name wrx stands for world rally experimental.

Each spec r1 will carry a unique serial number representing the limited availability of this vehicle. Detailed specs and features for the used 2014 subaru impreza wrx hatchback including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. However, these numbers are likely underrated as shown by multiple dynomometer tests.