Under the aluminium bonnet of the all-new WRX STI sits the source of its breathtaking performance. A 2.5-litre turbocharged Subaru BOXER Engine generating 221 kW and 407 Nm of torque provide electrifying acceleration. The engine also benefits from the Dual Active Valve Control System (Dual AVCS), which helps to produce a flat torque curve across a wide rev range.
At the heart of it all.
Few motors have the same reputation for pure excitement on any road as the 2.5-litre turbo of the WRX STI. It flawlessly fuses raw power with total poise as its turbo spools almost instantaneously and unleashes power for intense acceleration. Proven over the years, its performance has been made only more thrilling in the new WRX STI.
Dual Active Valve Control System (Dual AVCS)
The Dual Active Valve Control System (Dual AVCS) offers increased torque and easy drivability in the medium and low speed ranges, greater horsepower at high speeds and improved fuel efficiency.