A 2026 ownership dossier on price, V8 vs. diesel, towing, luxury features, Super Cruise, resale value, and the 6.2-liter recall The 2024 GMC Sierra 1500 Denali Ultimate was built around a simple proposition: take a full-size pickup that can tow, haul, and work, then add the kind of materials and technology normally associated with a luxury SUV. When new, that formula pushed the sticker price to roughly $85,000 before many buyers added accessories or dealer…