Dominick Infante, National Manager of Product Communications for Subaru America offers a detailed presentation of the new 2015 Subaru WRX STI. The new Subaru WRX STI (2015) had its world debut last week and it will soon go on sale. The power of Subaru's 2015 WRX STI comes from a 2.5-liter turbocharged engine that puts out 305 hp and 290 lb.-ft. of torque. The performance figures (0-62 mph / 0-100 km/h acceleration and top speed) of the new WRX STI (2015) are going to be announced at a later date.