WRX. Those three letters tell automotive enthusiasts the world over that they are not dealing with an ordinary Impreza, and it all began in rally racing with a 2.0-liter turbocharged flat-four engine. Though some models – including the current WRX and STI in the United States – had engines displacing as much as 2.5 liters, the WRX earned its reputation with 2.0 liters, and that's the displacement specified for competition use.
- Most and least efficient car companies
- Fastest-depreciating cars in the United States
- Find and compare 2017 Models