* Based on opinions and should be considered as general guidance only.
- Reliability (4)GMC heavy-duty trucks generally have a strong reputation for reliability, especially their powertrains. While it's a new model year, the underlying components are well-proven.
- Maintenance (3)As a large, complex heavy-duty truck with premium features, maintenance costs can be higher than average. Parts and labor for specialized components can add up, though routine service is comparable to other large trucks.
- Technology (5)Packed with cutting-edge technology, including a large infotainment screen, extensive driver-assist features, and a premium sound system. The camera views are particularly helpful for maneuvering this large vehicle.
- Comfort (5)The Denali Ultimate trim lives up to its name, offering an exceptionally comfortable cabin. The seats are plush and supportive, the ride is remarkably smooth for a truck of this size, and road noise is well-isolated.
- Dynamics (4)For a heavy-duty truck, the Sierra 2500HD Denali Ultimate handles surprisingly well, with responsive steering and a controlled ride even when unladen. It's not a sports car, but it's confident and stable.
