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Subaru is preparing to close a chapter on its performance sedan lineup in Japan. The company has officially confirmed that it will stop accepting orders for the WRX S4 on May 18, 2026, marking the end of production for the current model.

The update appeared on Subaru’s Japanese consumer website, quietly signaling a significant shift for the WRX range in its home market. For now, the WRX S4 remains the only version of the model available in Japan, making this move particularly notable.

What the WRX S4 Meant for Japan

Here’s the thing. The WRX S4 wasn’t just another trim. It essentially represented the entire WRX lineup in Japan.

Unlike global markets where buyers can choose manual variants, Japan’s WRX S4 comes exclusively with a CVT automatic transmission. It also packs more premium features, making it closest in spirit to the GT trim offered in markets like the United States.

That means once the S4 exits, Japan temporarily loses its mainstream WRX offering altogether.

STI Sport Variant Also Axed

Alongside the S4, Subaru is also discontinuing the WRX S4 STI Sport variant. This wasn’t a separate model but a higher-spec version of the S4, adding sharper styling and performance-focused tweaks.

Its exit is less surprising but still signals a broader reset of the lineup rather than a simple trim reshuffle.

Subaru has made it clear that both the standard S4 and STI Sport will end with the current generation, with no immediate successor detailed.

Why Is Subaru Pulling the Plug?

While Subaru hasn’t officially spelled out the reason, there are strong hints pointing toward tightening regulations.

Reports from Japanese automotive outlets suggest that models powered by the WRX’s 2.4-liter turbocharged flat-four engine may struggle to meet upcoming noise and emissions standards in Japan. If true, this would force Subaru to rethink its powertrain strategy rather than simply refresh the car.

At the same time, Subaru is already building its new EV, the Trailseeker, at the same production facility. That shift in manufacturing priorities could also be influencing the decision.

What About Global Markets?

If you’re wondering whether this affects WRX buyers outside Japan, the answer is… not yet.

Subaru has stated that there’s no update regarding the WRX lineup in markets like the United States. Importantly, the stricter regulations driving this change in Japan do not apply there, meaning current models—including manual versions—should remain unaffected for now.

Still, the move raises questions about the WRX’s long-term future globally, especially as emissions standards continue to tighten worldwide.

What Comes Next for WRX?

Subaru hasn’t revealed what will replace the WRX S4 in Japan, but there are a few clues.

Some reports suggest that orders for new WRX variants could resume in 2027, possibly with revised powertrains or even the return of a manual option. That said, nothing is confirmed, and the lineup could look very different when it returns.

One thing that isn’t changing is the limited-run WRX STI Sport#. The 600-unit special edition, first shown at the Tokyo Auto Salon, will still go ahead as planned.

For now, though, the WRX story in Japan is hitting pause. And depending on how Subaru chooses to rewrite it, the next chapter could look very different from what enthusiasts are used to.