General Motors unveiled its fourth-generation electric vehicle platform at its annual GM Forward event, outlining upgrades that span battery chemistry, motor technology, centralized computing, and electrical architecture. The company said the new platform is designed to connect all vehicle systems and is scheduled to debut in 2028 on the Cadillac Escalade IQ.
GM said its new central compute unit, or CCU, delivers 40 times the performance of its current system while cutting wiring harness requirements by 30%. The automaker also said it plans to introduce a highway automated driving feature in 2028 that would allow drivers to take their hands off the wheel and eyes off the road.
Sterling Anderson, GM’s executive vice president of global product and chief product officer, said the company wants vehicles to become smarter and more considerate living spaces. The report also noted that GM has spent heavily on software and autonomous driving in recent years, with capitalized software amortization expense reaching $866 million in 2025. GM said a centralized computing architecture would support more advanced automated driving capabilities and help it compete with Chinese automakers.
General Motors unveiled its fourth-generation electric vehicle platform at its annual GM Forward event, highlighting a new battery chemistry, upgraded motors, and a new central computing platform paired with a redesigned electrical architecture.
GM said the platform is built to connect all vehicle systems and is set to make its first appearance in 2028 on the Cadillac Escalade IQ.
CCU upgrade and 2028 automated driving rollout
The company said its new central compute unit, or CCU, offers 40 times the performance of the current system and reduces wiring harness needs by 30%.
GM also said it plans to launch a highway automated driving feature in 2028 that would allow drivers to take their hands off the wheel and take their eyes off the road.
Executive comments and software spending
Sterling Anderson, GM’s executive vice president of global product and chief product officer, said the goal is to make vehicles a smarter and more considerate living space.
The report said GM has invested heavily in software and autonomous driving technology in recent years. In 2025, its capitalized software amortization expense reached $866 million. GM said a centralized computing architecture would support more advanced automated driving functions and help the company compete with Chinese automakers.
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