But in a steer-by-wire setup, the steering wheel isn’t directly connected to the wheels via a shaft. And in this case, the ratio can change, making the wheel require fewer turns at slower speeds.

For automakers, the motivation to move to steer-by-wire is cost reduction. With the steering ratio determined in software, a single steering rack will work across multiple models.

Tesla wasn’t the first to put steer-by-wire in a car, but it was the first to realize the technology’s full potential and bring it to U.S. roads. The steering ratio adjusts over a huge spread ...

Lexus introduces steer-by-wire with a new yoke-style steering wheel for the 2026 RZ, offering a variable steering ratio similar to the Tesla Cybertruck. Powertrain upgrades include a new 77 kWh ...

However, as Tesla started deliveries of the new Model S Plaid, we were surprised to see that the wheel had a normal 14.0:1 steering ratio, and it is proving to be impractical at lower speeds. CEO ...