Robots Eat Cars

Robots on wheels

Modern cars are quietly becoming robots. What once was a chassis, an engine and a fuse box is evolving into centralized compute, zonal controllers, software-defined actuation and unified sensor buses — the same architectural DNA you’d find in a Boston Dynamics humanoid. It has been reported that Tesla confirmed Model S and Model X production has ended, with roughly 600 cars left in inventory, and that Fremont production lines are being repurposed to build Optimus humanoid robots — allegedly targeting mass production numbers (reports cite one million units per year at $20,000 each and public sales beginning in 2027). Tesla is also reportedly moving on a large actuator order and building a dedicated Optimus facility at Giga Texas; these are big bets that factories shouldered by decades of carmaking can flip to walking machines.

The wiring tells the tale

You don’t need to take the company line to see the shift; open a Tesla and the story is under the skin. Ford’s Jim Farley said his engineers “had prejudice,” until they saw a teardown: the Mach‑E harness was 70 pounds heavier and 1.6 kilometers longer than Tesla’s. The Cybertruck pushed that further — 155 wires instead of a traditional 400–500 — by moving to 48‑volt zones, Ethernet in place of CAN, and local zone controllers instead of central routing. S&P Global estimates Tesla holds roughly a five‑year lead in this electrical/electronic architecture. And yes, competitors are catching up: Ford’s next Universal Electric Vehicle platform adopts 48V zonal architecture, with five in‑house zone controllers and a wiring harness reportedly 1.2 kilometers shorter — the first $30,000 electric pickup is slated for 2027.

Suppliers race and what’s next

The supply chain is already reshuffling. Hyundai Mobis said it will supply actuators — which can account for more than 60% of a humanoid robot’s material cost — for Boston Dynamics’ Atlas. It has been reported that Boston Dynamics then requested additional components (grippers, sensors, controllers and batteries), with Atlas GM Zack Jackowski noting that tapping automotive cost structures offers scale potential. Mobis is reportedly weighing a U.S. factory to support this shift. Translation: car suppliers aren’t just selling parts to automakers anymore; they’re pivoting to power walking robots, factory arms and whatever comes next. So — is this the end of the car as we knew it, or just the start of vehicles joining the robot economy? Either way, the smell of motor oil will be mixed with servo grease for a long time to come.

Sources: endeff.com, Hacker News