Skip to main content
  1. Home
  2. Cars
  3. Photo Galleries
  4. News

Subaru’s STI Performance Concept just might be the BRZ STI you’ve been waiting for

Add as a preferred source on Google

While cars wearing Subaru’s STI performance badge have been sold in the U.S. for over decade, we haven’t been getting the whole experience.

On this side of the Pacific, Subaru uses the STI (Subaru Tecnica International) to designate the hottest version of its WRX, but in Japan STI is actually an in-house speed shop that makes performance parts for multiple models.

 

The STI Performance Concept Subaru unveiled at the 2015 New York Auto Show is an example of exactly what U.S. buyers are missing.

Subaru says this BRZ-based beast “signifies a plan for U.S. expansion” of STI, something fans have been clamoring for.

Ever since Subaru launched the rear-wheel drive BRZ, there have been calls for an edgier and more powerful STI version. This is as close as the company has gotten to actually building one.

Subaru STI Performance Concept
Image used with permission by copyright holder

The concept features an engine developed for BRZ racecar STI campaigns in the Japanese Super GT series, plus upgraded suspension and an epic body kit topped with a massive rear spoiler.

Subaru won’t confirm a production version of this street racer’s dream, but it said STI-tuned models with extensive performance, chassis, and aerodynamic upgrades will be available in the U.S. in the future.

As the first step in that direction, the company recently re-branded its Subaru Performance Tuning parts line with the STI moniker, and has also begun using it in association with the Subaru of America-backed Global RallyCross team.

In Japan, Subaru already offers tuning packages for the Forester and BRZ, as well as the WRX STI, which is called the WRX S model there. These upgrades mostly focus on handling and styling.

Subaru hasn’t decided whether to use the “S model” designation, or the “tS” used for STI-tuned Forester and BRZ models, in the U.S.

If these new performance models really can offer the performance fans crave, though, the badge on the trunk won’t matter.

Stephen Edelstein
Stephen is a freelance automotive journalist covering all things cars. He likes anything with four wheels, from classic cars…
Polestar forced to exit the US market. It’s a shame we won’t see its refined design anymore
Boring EVs caught a break as Americans lose Polestar
polestar-3-ev

Polestar, the Swedish EV brand controlled by China’s Geely, has been denied authorization under the US Connected Vehicle Rule. As a result, it will not be able to sell vehicles in the US from the 2027 model year onward. The company is not disappearing from American roads overnight. Polestar says it will continue selling existing US inventory of the Polestar 3 and Polestar 4, and current owners will still have access to service support. But for future models, the door is effectively closing unless something changes.

Polestar 3

Read more
The Wild West era of robotaxis is starting to end
New global rules could replace patchwork regulation with stricter safety proof for driverless fleets.
Self driving car from Waymo

Robotaxi rules have entered their first global phase. A UN vehicle standards forum has adopted the first international framework for fully autonomous vehicles, giving driverless fleets a common safety baseline across major markets.

The move lands while robotaxis are expanding from test programs into a bigger commercial race. In the US and China, private fleets more than doubled in 2025 to 8,000 vehicles across more than two dozen major cities.

Read more
Google Meet finally lands on Android Auto, giving you one less excuse to skip a meeting
Android users can now join scheduled meetings and audio calls from their car's dashboard, catching up to what iPhone users have had for months.
Google Meet on Android Auto

Android Auto is finally getting Google Meet, months after the video conferencing app made its debut on Apple CarPlay. Android users can now pull up scheduled meetings and dial recent contacts straight from their car's display instead of reaching for their phone.

How it works behind the wheel

Read more