
GMC Teases All-New 2027 Sierra 1500 with Denali Ultimate Luxury and AT4X Capability
GMC previews the all-new 2027 Sierra 1500, led by the luxury Denali Ultimate and capable AT4X, introducing sixth-generation Small Block V8 engines (5.7L and 6.6L), an enhanced TurboMax option, a class-exclusive Duramax diesel, and a 10‑speed transmission, while offering a tech-forward cabin with multiple large displays and hands-free Super Cruise; first models are expected to arrive late 2026.





