Sharing More Than Just Rides in Car-Maker Alliances

GM GM -1.27% said this month it would partner with Honda Motor Co. HMC -0.45% to develop a fully automated car. As part of the deal, Honda committed to investing $2.75 billion in GM's self-driving-car unit GM Cruise LLC over the next 12 years. The investment comes on top of a commitment to Cruise of more than $2 billion from SoftBank Group Corp.'s Vision Fund in May. GM bought Cruise in 2016 and also invested in ride-hailing company Lyft Inc. that year. Toyota TM -0.26% is investing $500 million in Uber Technologies Inc. as part of an agreement to collaborate on self-driving-car technology.