19:54 09-12-2025
Why China is pushing steer-by-wire for next-gen EVs
China’s EV makers and regulators are racing to standardize steer-by-wire, trading weight savings and safety gains for reduced road feel. Pros and cons inside.
Electric vehicles are increasingly becoming software-defined platforms, and that shift is reshaping even fundamentals like steering. In China, regulators and automakers are fast-tracking the move to steer-by-wire—a setup that removes the traditional mechanical column between the steering wheel and the front wheels. Sensors read the steering angle, and actuators turn the wheels in response to electronic signals.
The case for the technology is firmly practical. It cuts weight and frees up space, as the column and some of the hardware simply go away. It also unlocks broad calibration freedom: variable steering ratios, responses tailored to different drive modes, and even logic updates delivered through software. There’s a safety angle too—without a column, potential risks in a head-on crash can be reduced. And because the wheel is physically decoupled, vibrations and kickback from the road are largely filtered out.
Comfort, however, comes at the cost of feel. These systems often come across as more filtered: the rim can seem rubbery and less communicative about grip and surface changes. For drivers who prize precise feedback, that trade-off is hard to ignore.
Why is China pushing so hard? There, comfort, stability, and a tech-forward approach carry extra weight, and in the EV efficiency race, gains in mass and packaging are especially valuable. That’s why brands such as NIO, BAIC, Xpeng, BYD, Geely and others, together with regulators, are working through safety and reliability standards to speed adoption and reduce risk. The logic is simple: standardize first to lead sooner—everyone else will be playing catch-up.