Subaru says building its own EV technology in-house cuts build time in half, and it rolled out a test car on Oct. 18 to back the claim. The Japanese automaker showed the vehicle, packed with its next-generation Subaru in-house EV technology, at its proving ground north of Tokyo, Automotive News reported. The report didn’t say what that “half” is measured against, so treat it as a company claim for now.
What the Subaru EV Prototype Shows
The vehicle is a test platform, not a showroom model. It is the first public look at Subaru’s own EV technology, which the brand has so far borrowed from a bigger partner.
That partner is Toyota, and the history matters. In May 2024, the two companies announced plans for three electric crossovers. Subaru cited the “huge risk” of building EVs alone, Electrek noted at the time. Toyota also holds a 20% stake in Subaru.
Two years later, the tone has shifted. Going solo is no longer the risk Subaru wanted to avoid. It’s the plan.
One caveat on the word “in-house.” Subaru already builds EVs in its own factory. Electrek reported in February that the Trailseeker became the first EV made at its Gunma Yajima Plant. This new announcement points to the underlying technology, not the assembly line.
The Cost of Going Solo
Toyota, meanwhile, is busy with its own EV headaches, including a software recall. Even so, it has little reason to go quiet in the best-selling EVs in the US conversation.
Owning your own EV tech means controlling your own timeline and costs. It also means carrying the bill when something goes wrong. For a smaller automaker, that is a real bet, and the Subaru electric vehicle platform will carry all of it.
The timing is tricky, too. Since the federal credit expired, hybrids and used EVs have won while automakers pay.
Subaru’s buyers tend to care about all-wheel drive, ruggedness and reliability. The question that counts is whether the in-house system delivers those traits. So far, the company hasn’t said.
Executives would not confirm a launch date, and the specs on the test vehicle haven’t been released.
Independence is on the menu. The delivery date is not.






