Gmc 2024 Sierra 2024 Sound System Upgrades Downgrades. 2024 gmc sierra 1500 at4 the big news is the duramax diesel engine, with is surprisingly smooth and quiet. Coming from a 2020 at4 and a 2015 denali, i thought the sound system would be about the same.

The upgraded infotainment system options are no longer available to order on the 2024 gmc savana, with the base stereo system as the only system remaining. Upgrade the factory audio sound in your sierra 1500 crew cab or extended cab (aka double cab) with this high performance kicker® subwoofer and audio amplifier system.