* Based on opinions and should be considered as general guidance only.
- Reliability (4)GMC trucks, especially the HD line, are known for their durability. The 2020 Sierra 2500HD SLE is built to work hard and is generally considered a reliable vehicle, with few major issues reported.
- Maintenance (3)Maintenance costs are typical for a heavy-duty truck. Parts can be more expensive than for a passenger car, and specialized fluids or services might be required. However, routine maintenance is straightforward.
- Technology (4)The infotainment system is user-friendly and includes Apple CarPlay and Android Auto. There are also useful features like a multi-angle camera system that greatly aids in towing and parking. It's well-equipped for its class.
- Comfort (3)The SLE trim offers a decent level of comfort, with supportive seats and a relatively quiet cabin for a truck of its size. The ride can be a bit firm, especially when unloaded, but it's generally good for long hauls.
- Dynamics (4)For a heavy-duty truck, the 2020 GMC Sierra 2500HD SLE handles surprisingly well. The steering is responsive, and it feels stable on the highway, even when towing. It's not a sports car, but it's confident and capable.