* Based on opinions and should be considered as general guidance only.
- Reliability (4)GMC vehicles typically have good reliability, and the 2021 Yukon XL SLT is expected to follow this trend with solid build quality.
- Maintenance (3)Maintenance costs are moderate to high, typical for a full-size SUV, with parts and labor being more expensive than smaller vehicles.
- Technology (4)Equipped with a good suite of infotainment and driver-assist features, all are generally intuitive and responsive, though some advanced features are optional.
- Comfort (5)The interior is exceptionally spacious and comfortable, with plush seating across all rows, making long journeys very pleasant.
- Dynamics (4)Given its size, the Yukon XL SLT handles surprisingly well, offering a stable and controlled ride, though it's not agile.