Toyota and Waymo said on Friday that they will begin testing autonomous Toyota bZ4X vehicles in Japan in 2027, turning an 18-month-old exploratory partnership into a factory-built robotaxi fleet. Toyota will build the vehicles at its Takaoka plant in Japan and fit Waymo’s self-driving hardware under the same roof, with deployment in the United Kingdom and other Waymo-served markets planned for the following years. The companies have not disclosed how many vehicles will run first, where in Japan they will operate, or when a public ride-hailing service will open.
From a handshake to a factory line
The announcement moves the partnership beyond the preliminary agreement signed in April 2025, which spoke only in general terms about exploring a new autonomous vehicle platform. Eighteen months later, the plan now names a vehicle, a factory, and a year for testing. That specificity is the news for an industry used to vague autonomous-driving promises.
Toyota will manufacture the 2027 bZ4X vehicles at its Takaoka plant in Toyota City, Aichi Prefecture, and integrate Waymo’s hardware at the same site. The companies describe the result as a safety-validated Level 4 vehicle that drives itself within defined conditions. Building the hardware in at the factory should make the fleet easier to produce at volume.
What the bZ4X fleet will look like
The custom-outfitted bZ4X is built for passengers, with generous rear legroom and features such as automatic doors, a power liftgate, and ambient lighting. Waymo and Toyota present comfort and accessibility as part of the design, for shared daily use. The vehicle is known as the BZ in North America, but the Japanese-built fleet will carry the bZ4X name.
Waymo co-chief executive Dmitri Dolgov said the company chose Toyota for the safety, reliability, and quality of its vehicles. He claimed Waymo’s system is up to 20 times safer than human drivers for serious crash injuries where it operates. That figure is Waymo’s own claim, not an independent regulator’s finding, and it will face fresh scrutiny on Japanese roads.
Why Japan and the UK come first
The first operations will test and validate the fleet in Japan, rather than opening a service on day one. Waymo is already testing Jaguar I-PACE vehicles in Japan and still plans a pilot using them in 2027, so the bZ4X fleet will join a testing programme. Starting small lets both firms learn local traffic and rider behaviour before scaling up.
Japan and the United Kingdom are both right-hand-drive markets, which is why Dolgov named them first. Waymo has been testing Jaguar I-PACE vehicles in London for months and plans a robotaxi service there once it receives permits. The UK leg therefore still depends on regulators, as do other robotaxi expansions such as Pony AI’s planned robotaxi launch in Kazakhstan.
What is still not decided
Several key details remain open. The companies did not say how many bZ4X vehicles will run in the initial Japanese operations, which city or cities they will cover, or what the partnership is worth financially. They also gave no date for a commercial ride-hailing launch in Japan, only a 2027 start for testing and validation.
The consumer side of the deal remains exploratory. The companies said they will continue to look at bringing Waymo’s technology to personally owned Toyota vehicles, and will work with Woven by Toyota on safety initiatives using Waymo’s data. Neither part carries a timetable, a vehicle, or a price, so it should not be read as a promise to Toyota buyers.
Why It Matters
This deal matters because it pairs the world’s largest carmaker’s factories with the most experienced robotaxi operator’s software, as autonomous driving moves from pilots to production. If factory integration works, Waymo can add vehicles faster and more cheaply than by converting finished cars, while Toyota gains a front-row role in driverless ride-hailing without building the software itself.
Rivals are racing to lock in manufacturing and software partners, as seen in Stellantis’s twin autonomous-driving bets in France. For Japan, the fleet could become the country’s first autonomous ride-hailing service using high-volume, domestically manufactured vehicles, according to Waymo. That framing matters for regulators and public trust: a locally built vehicle, tested first and scaled gradually, is an easier case.
The test will be whether the 2027 trials run safely, win permits in London, and turn into a service people use. Until then, the announcement is a manufacturing and testing commitment, not a launch. Investors, regulators, and riders should judge it on the fleet that reaches Japanese roads, not on the press release alone.
Background
Waymo, Alphabet’s self-driving unit, already runs driverless ride-hailing services in the United States, while Toyota is the world’s largest automaker by volume. Their April 2025 preliminary agreement was deliberately vague, and Friday’s announcement is the first time it has produced a concrete vehicle, factory, and testing schedule.
Source: Waymo announcement and Reuters report.
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