YearToAvoid

2018 Chevrolet Tahoe Engine Problems

NHTSA lists 25 engine complaints for the 2018 Chevrolet Tahoe, 24% of its 104 total complaints, with a median failure mileage of 83,000 miles. One crash and no fires or injuries are linked, and no related recalls are on file.

Engine complaints
25
24% of 104
Crashes reported
1
Fires reported
0
Injuries reported
0
Median mileage
83,000 mi
Related recalls
0

Typical engine symptoms owners report

  • Owners report sudden loss of motive power while driving at highway or lower speeds, sometimes with the check engine light on before the vehicle stalls.
  • Several complaints describe engine failure diagnosed as lifter or crankshaft push rod damage, requiring engine replacement.
  • Owners report repeated fuel pump failures, including cases where the pump was replaced multiple times but the no-start issue returned.
  • Some drivers describe the vehicle decelerating abruptly at highway speed before losing power entirely, requiring a tow.
  • A few complaints mention transmission lock-up or failure alongside engine problems, occurring within a few years of purchase.

When 2018 Chevrolet Tahoe engine complaints were filed

First complaint Dec 23, 2018, latest Aug 28, 2026.

2018 Chevrolet Tahoe engine complaints: complaints filed per month2Dec 2018May 2022May 2023Mar 2024Mar 2025Jan 2026May 2026
25 complaints filed with NHTSA from Dec 2018 to Aug 2026; peak Jan 2025 (2).

Engine recalls for the 2018 Chevrolet Tahoe

No safety recalls on record for this model year.

Engine complaints by Tahoe model year

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

  1. 200528 (10%)
  2. 20066 (5%)
  3. 200799 (8%)
  4. 200841 (8%)
  5. 200921 (7%)
  6. 201015 (5%)
  7. 201114 (3%)
  8. 201210 (6%)
  9. 201316 (7%)
  10. 20144 (4%)
  11. 201556 (9%)
  12. 201622 (9%)
  13. 201730 (17%)
  14. 201825 (24%)
  15. 201932 (30%)
  16. 202014 (25%)
  17. 2021190 (42%)
  18. 202279 (42%)
  19. 2023139 (63%)
  20. 202432 (48%)
  21. 202529 (60%)

Frequently asked questions

How common are engine problems in the 2018 Chevrolet Tahoe?
NHTSA lists 25 engine complaints for this model year, making up 24% of all 104 complaints filed for the 2018 Tahoe.
At what mileage do 2018 Tahoe engine failures typically occur?
The median mileage at failure reported to NHTSA is 83,000 miles, though some owners reported failures at much lower mileage.
Is there a recall for the 2018 Chevrolet Tahoe engine?
No related recalls are listed in NHTSA data for this engine problem area on the 2018 Tahoe.
Did the 2018 Tahoe engine issues cause any crashes or injuries?
NHTSA data shows one crash linked to engine complaints for the 2018 Tahoe, with no fires or injuries reported.

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.