Curiously, the Concept STI does without a turbocharged engine – something that's become a Subaru tradition with its performance cars. Instead, the direct-injected 2.0-liter Boxer four has been ...

Subaru has revealed the STI Performance Concept at the New York motor show. Developed to demonstrate the tuning arm’s engineering prowess, the concept gains a racing engine and modified chassis ...

Subaru has revealed the VIZIV Performance STI Concept in full at the 2018 Tokyo Auto Salon. Based on the VIZIV Performance concept revealed at the Tokyo motor show last year, the STI Performance ...

Well, it's technically an STI Sport. Think of it as Subaru's equivalent of BMW’s M Performance models ... and Team SDA Engineering's BRZ CNF Concept modified to run on carbon-neutral fuel.

One of the extras includes the STI Performance Mufflers, a no-cost accessory that amplifies the Boxer engine's growl. The new Subaru WRX AWD tS Spec B is also available in a fresh exterior hue ...