Stellantis Will Delay Jeep Grand Wagoneer EREV Launch
Buyers of these extended-range electric vehicles will wait longer as production at the Warren plant shifts to late 2026.
Updated on Oct. 13, 2026 in Electric Vehicles
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Stellantis has rescheduled the production of its upcoming Jeep Grand Wagoneer EREV to November 2026. This adjustment impacts the launch timeline for local workers and future owners at the Warren Truck Assembly plant.
Why it matters
The delay is intended to ensure a smoother vehicle launch for the new powertrain technology. These adjustments reflect the manufacturer's strategy for integrating complex, shared electric systems into their high-profile vehicle lineup.
Production of the Jeep Grand Wagoneer EREV at the Warren Truck Assembly plant is now slated for November 2026, marking a six-month shift from the original schedule. The related Ram 1500 REV is also delayed, with assembly now set to begin in mid-April 2027.
The players
Stellantis
A global automaker known for managing Jeep and Ram brands and overseeing large-scale vehicle assembly operations.
Warren Truck Assembly plant
A significant local manufacturing facility in Warren responsible for the production of the company's newest electric and hybrid truck models.
The details
The delays are tied to the complex rollout of a shared 400-volt battery and electric motor system used by both vehicle models. These vehicles feature an on-board generator powered by a Pentastar engine to extend their range. The company requires this extra time to finalize the integration of this shared powertrain configuration before the vehicles reach the assembly line.
Timeline
May 2026: Original scheduled start of regular production.
November 2026: New start of Jeep Grand Wagoneer EREV production.
mid-April 2027: New start of Ram 1500 REV production.
The Home Front
Automakers are increasingly recalibrating assembly schedules to manage the complexities of transitioning to 400-volt battery and electric motor systems. This shift reflects a broader trend of prioritizing technical stability during vehicle launches over meeting initial deadlines.
If you are planning to transition your household to an extended-range electric vehicle, monitor official updates from your local dealership regarding updated arrival estimates for these models. Prospective buyers should continue to review their current vehicle maintenance cycles while awaiting these new product releases.
The takeaway
The production adjustment for the Jeep Grand Wagoneer EREV highlights the cautious approach manufacturers are taking with new, shared powertrain technologies. Buyers interested in these models should keep their current vehicle's service records up to date as they adjust their long-term replacement plans.
Further reading
Learn more about the latest developments in the automotive market at the Electric Vehicles section.
Source note: This article includes information reported by MEXICONOW.
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