Jeep Grand Wagoneer EREV production is now set to start in November 2026 at the Warren Truck Plant.
Ram 1500 REV production now targets April 2027.
Supplier memos and sources point to a shared 400-volt battery and electric motor architecture as the sticking point.
Stellantis has pushed the Jeep Grand Wagoneer EREV back to a November production start at the Warren Truck Plant near Detroit, roughly six months later than the May target the company had set earlier this year.
The Ram 1500 REV slips even further, to mid-April 2027, a delay of about nine months from its original mid-2026 window. Recent reporting links both changes to updated supplier schedules, not to any formal public announcement from the company.
