YearToAvoid

2018 Chevrolet Suburban Engine Problems

NHTSA lists 20 Engine complaints for the 2018 Chevrolet Suburban, 25% of its 81 total complaints. No related recall exists, and the median mileage at failure reported was 30,000 miles.

Engine complaints
20
25% of 81
Crashes reported
0
Fires reported
0
Injuries reported
0
Median mileage
30,000 mi
Related recalls
0

Typical engine symptoms owners report

  • Owners describe lifter failures causing rattling or chirping noises from the engine, sometimes leading to complete loss of power while driving.
  • Several report the check engine light illuminating alongside jerking or rough idling, with vehicles losing motive power unexpectedly.
  • Some describe a gear train or converter noise during shifting, with the tachometer fluctuating as the torque converter slipped in and out of lockup.
  • Owners note the transmission failing outright after high mileage use, requiring rebuild or replacement despite regular maintenance.
  • A few describe sudden stalling or rapid deceleration on the road with no prior warning lights.

When 2018 Chevrolet Suburban engine complaints were filed

First complaint Dec 25, 2018, latest Mar 12, 2026.

2018 Chevrolet Suburban engine complaints: complaints filed per month2Dec 2018Jul 2021Jan 2023Oct 2023Apr 2025Feb 2026
20 complaints filed with NHTSA from Dec 2018 to Mar 2026; peak Feb 2021 (2).

Engine recalls for the 2018 Chevrolet Suburban

No safety recalls on record for this model year.

Engine complaints by Suburban model year

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

  1. 200525 (11%)
  2. 20063 (5%)
  3. 200759 (12%)
  4. 200840 (12%)
  5. 200921 (13%)
  6. 201013 (7%)
  7. 201117 (7%)
  8. 201213 (13%)
  9. 201319 (16%)
  10. 20142 (3%)
  11. 201543 (10%)
  12. 201630 (14%)
  13. 201729 (21%)
  14. 201820 (25%)
  15. 201928 (36%)
  16. 202019 (43%)
  17. 202196 (48%)
  18. 202264 (52%)
  19. 202385 (60%)
  20. 202428 (67%)
  21. 202516 (53%)

Frequently asked questions

How many engine complaints does NHTSA have for the 2018 Chevrolet Suburban?
NHTSA lists 20 Engine complaints for the 2018 Suburban, which is 25% of the 81 total complaints filed for that model year.
Is there a recall for engine problems on the 2018 Chevrolet Suburban?
No. The data shows no related recalls tied to the Engine complaints for this model year.
At what mileage do engine problems typically appear on the 2018 Suburban?
The median mileage at failure reported to NHTSA for Engine complaints on the 2018 Suburban is 30,000 miles.
What kind of engine issues do owners describe most often?
Owners describe lifter failures, rattling or chirping noises, rough idling, and sudden loss of power, sometimes with the check engine light on.
Did any 2018 Suburban engine complaints involve crashes or fires?
No. NHTSA data shows 0 crashes and 0 fires among the reported Engine complaints for the 2018 Suburban.

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.