Ram 2025 Heavy Duty Review. The 2025 ram heavy duty lineup runs stellantis’ new atlantis electrical architecture, replacing the older powernet system. The 2025 refresh includes redesigned grilles and wheels on every model in the ram heavy duty lineup.

Returning ram ceo tim kuniskis has his first big announcement following his recent stellantis comeback: Depending on the configuration, the current ram heavy duty can tow up to 37,090 pounds and carry a payload.