5 Subaru Engines That Handle Abuse and 5 That Can’t Take Heat EJ257 (2004–Present WRX STI 2.5L Turbo) When it comes to Subaru, the brand’s loyal following isn’t just built on quirky marketing and symmetrical all-wheel drive. It’s the engines—those boxer powerplants—that have earned a reputation for being either bulletproof or… well, head…