The 11th generation Chevrolet Suburban (based on the K2XX platform) is the undisputed king of XXL family SUVs and North American fleet vehicles. An extended version of the Chevrolet Tahoe, it offers gargantuan interior space and pickup-like towing capabilities (sharing its underpinnings with the Silverado). Although reliability surveys (J.D. Power, Consumer Reports) often rank it below average for its class, the Suburban benefits from an interesting paradox: being massively used by professionals (fleets, luxury ride-hailing, government), it often receives more rigorous maintenance than the Tahoe, making its practical reliability on the used market better than raw statistics suggest. Its comfort is royal, but it is marred by known weaknesses with the cylinder deactivation (AFM) and the MRC
The Chevrolet Suburban (2015-2020) is an exceptional troop transport tool, but it requires an informed buyer. Reliability statistics are weighed down by two major and costly issues: the AFM system lifters on the 5.3L V8 and the MRC suspension. However, as highlighted by TÜV and ADAC data, models that belonged to professional fleets often benefit from rigorous maintenance that offsets these weaknesses. For peace of mind, favor the 6.2L V8 (more robust) or a 5.3L whose lifters have already been replaced/disabled, and set aside a budget for converting the MRC suspension to conventional shock absorbers.