Why Are Car Software Updates Still So Bad?

Despite years of effort and the outlay of billions of dollars, none of the world’s automakers have yet to match Tesla’s prowess in delivering over-the-air (OTA) software updates. Just like with your phone and laptop, these operating system refreshes allow owners to upgrade their cars remotely.

Tesla introduced OTAs in 2012, but now Elon Musk’s company pumps out these updates like no other automaker. “Tesla once issued 42 updates within six months,” Jean-Marie Lapeyre, Capgemini’s CTO for automotive, tells WIRED. But for many other automakers, says Lapeyre, OTAs ship “maybe once a year.”

For traditional car companies, software remains, or has been until very recently, merely one bolt-on component among many. In contrast, for Tesla and other digital-native automakers—among them Rivian, Lucid, Polestar, and Chinese brands such as BYD, Xpeng, and Xiaomi—it’s almost the whole shebang.

Interestingly, GM was actually the first automaker ...