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2023 GMC Sierra 1500 AT4X AEV

Official Word:

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...Read.