YearToAvoid

2021 Acura RDX Structure & Body Problems

NHTSA lists 16 Structure & Body complaints for the 2021 Acura RDX, 14% of all complaints that year — the highest share of any RDX model year. Owners mainly describe panoramic sunroof popping/knocking noises and one report of the sunroof shattering. No related recalls are listed for this problem area.

Structure & Body complaints
16
14% of 112
Crashes reported
0
Fires reported
0
Injuries reported
1
Median mileage
16,550 mi
Related recalls
0

Typical body and structure symptoms owners report

  • Owners report loud knocking or popping sounds from the panoramic sunroof, especially when driving over bumps, ramps, or curbs that twist the chassis.
  • One owner reported the panoramic sunroof glass shattering while driving on a highway ramp, causing minor injury.
  • Multiple owners describe the front passenger seat weight sensor failing to detect a petite occupant, leaving the passenger airbag switched off.
  • One owner reported the hood latch or cable breaking, preventing the hood from opening to check fluids.
  • One owner reported water intrusion through moon roof seals causing the body control module to malfunction and headlights/instrument lights to flicker.

When 2021 Acura RDX body and structure complaints were filed

First complaint Mar 9, 2021, latest Feb 10, 2026.

2021 Acura RDX structure & body complaints: complaints filed per month2Mar 2021Mar 2023Feb 2024Jul 2024Jan 2025Apr 2025Dec 2025Feb 2026
16 complaints filed with NHTSA from Mar 2021 to Feb 2026; peak Feb 2024 (2).

Structure & Body recalls for the 2021 Acura RDX

No safety recalls on record for this model year.

Structure & Body complaints by RDX model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 20101 (5%)
  2. 20110 (0%)
  3. 20121 (7%)
  4. 20135 (3%)
  5. 20143 (1%)
  6. 201510 (2%)
  7. 20164 (10%)
  8. 20172 (3%)
  9. 20185 (6%)
  10. 201927 (6%)
  11. 202027 (8%)
  12. 202116 (14%)
  13. 20221 (3%)
  14. 20232 (9%)
  15. 20241 (9%)
  16. 20250 (0%)

Frequently asked questions

Is Structure & Body a common complaint area for the 2021 Acura RDX?
Yes. NHTSA lists 16 Structure & Body complaints for the 2021 RDX, which is 14% of all 112 complaints filed for that model year — the largest share among all RDX model years in this data.
Does the 2021 Acura RDX have a recall for sunroof or seat sensor problems?
No related recalls are listed in this data for the Structure & Body problem area on the 2021 RDX.
What mileage do these problems typically show up at?
The median mileage at failure across these complaints is 16,550 miles.
Are these sunroof and seat sensor issues linked to crashes or fires?
NHTSA records 0 crashes and 0 fires tied to these complaints, though 1 injury was reported in connection with a shattered sunroof.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.