Defect Summary: General Motors, LLC (GM) is recalling certain 2021 GMC Yukon, Yukon XL, Cadillac Escalade, Escalade ESV, Chevrolet Suburban, and Chevrolet Tahoe vehicles. The rear wheel driveshaft assemblies may have internal components that were not heat-treated properly, possibly resulting in driveshaft failure.
EPA Fuel Economy & Powertrain Specifications
Official EPA laboratory test ratings, electric driving range, and annual energy cost estimates by powertrain configuration
| Powertrain Group | Engine / Drivetrain | City MPG | Hwy MPG | Combined MPG | Est. Annual Fuel Cost |
|---|---|---|---|---|---|
| Standard | 3L 6-Cyl Diesel Automatic 10-spd • Rear-Wheel Drive | 13–21 | 19–27 | 16–23 MPG | $3,400–$4,750 / yr |
NHTSA NCAP Crash Test & Safety Ratings
Official 5-Star Safety Ratings evaluated by the National Highway Traffic Safety Administration
NHTSA 5-Star NCAP laboratory crash evaluations are not currently on file for the 2021 Chevrolet Suburban.
Not Specified and Lane Departure Warning (LDW) is documented as Not Specified in official NHTSA records for tested 2021 Chevrolet Suburban models.
Reported Problems & Owner Complaints Summary (186)
Summary of 186 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)
Top Reported Problem Categories
Ranked by total consumer complaint submissions recorded by NHTSA
Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.
View all 2021 Chevrolet Suburban problems & component breakdown (53 categories) →Official Safety Recalls (12)
Manufacturer safety recall campaigns monitored and recorded by NHTSA
Defect Summary: General Motors LLC (GM) is recalling certain 2021 Chevrolet Suburban and Tahoe and GMC Yukon and Yukon XL vehicles. During general assembly, a repair involved removal of one or both front seats. The attachment bolts for the front seats may not have been properly reinstalled after the repair was completed.
Defect Summary: General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Silverado 1500, 2500, 3500, GMC Sierra 1500, 2500, 3500, 2021 Cadillac Escalade, Escalade ESV, Chevrolet Tahoe, Suburban, GMC Yukon, and Yukon XL vehicles equipped with diesel engines. The transmission control valve may fail and cause the rear wheels to lock-up.
The specifications, safety ratings, defect reports, and recall campaigns published on this page are retrieved directly from official United States Government agency databases:
- NHTSA Office of Defects Investigation (ODI): Consumer complaints and defect reports.
- NHTSA New Car Assessment Program (NCAP): Frontal, side, and rollover 5-Star crash safety test ratings.
- U.S. EPA / FuelEconomy.gov: Standardized multi-cycle dynamometer fuel economy, MPGe, and electric driving range ratings.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.