Press Releases

Go Further: GMC Expands Capability of 2024 Sierra 1500 AT4X with Addition of Rugged and Refined 3.0L Duramax Engine

GMC announced today that it will make the rugged and refined second-generation 3.0L inline-six Duramax Turbo-Diesel engine standard on its extreme off-road Sierra 1500 AT4X trim, allowing customers to go further and explore more in their off-road adventures. First introduced on select 2023 Sierra 1500 trims, the updated 3.0L Duramax engine comes standard with a 10-speed automatic transmission and delivers max power of 305 horsepower (a 10% increase compared to MY22), and max torque of 495...

GMC Unleashes the New 2023 Sierra 1500 AT4X AEV Edition

GMC revealed the new 2023 Sierra 1500 AT4X AEV Edition today at Overland Expo Pacific Northwest. The AEV Edition pushes the already highly capable, premium off-road Sierra 1500 AT4X trim to new heights, and provides unique styling cues and extreme off-road capability. "GMC has been a pioneer in the premium off-road space and this Sierra 1500 AT4X AEV Edition raises the bar yet again," said GMC Global Vice President Duncan Aldred. "Our customers want an uncompromising...