YearToAvoid

2020 GMC Acadia Engine Problems

NHTSA lists 33 engine-related complaints for the 2020 GMC Acadia, making up 32% of its 104 total complaints for the year. Median mileage at failure was 16,000 miles. No recall is currently linked to this engine complaint category.

Engine complaints
33
32% of 104
Crashes reported
1
Fires reported
0
Injuries reported
0
Median mileage
16,000 mi
Related recalls
0

Typical engine symptoms owners report

  • Auto Stop/Start shuts the engine off at stops and causes a noticeable lurch or jerk on restart, especially on inclines.
  • Owners report a check engine light tied to a VVT sensor code (Po14), with the issue persisting after the sensor was replaced.
  • Some engine complaints overlap with shuddering or shifting problems traced to the torque converter, with owners describing loss of drive or hard downshifts.
  • A stuck-open thermostat was cited as the source of a check engine light that followed a steering-assist warning message.

When 2020 GMC Acadia engine complaints were filed

First complaint Aug 7, 2020, latest Sep 21, 2026.

2020 GMC Acadia engine complaints: complaints filed per month4Aug 2020Nov 2021Jan 2024Jan 2025Sep 2025Feb 2026May 2026Aug 2026
33 complaints filed with NHTSA from Aug 2020 to Sep 2026; peak Nov 2025 (4).

Engine recalls for the 2020 GMC Acadia

No safety recalls on record for this model year.

Engine complaints by Acadia model year

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

  1. 201091 (27%)
  2. 201162 (23%)
  3. 201245 (15%)
  4. 201325 (19%)
  5. 201453 (11%)
  6. 201522 (9%)
  7. 201615 (6%)
  8. 201771 (10%)
  9. 201838 (10%)
  10. 201961 (16%)
  11. 202033 (32%)
  12. 202137 (25%)
  13. 202215 (31%)
  14. 202313 (30%)
  15. 202412 (20%)
  16. 20257 (11%)

Frequently asked questions

How many engine complaints does the 2020 GMC Acadia have?
NHTSA lists 33 engine-related complaints for the 2020 Acadia, which is 32% of the 104 total complaints filed for that model year.
Is there a recall for the 2020 GMC Acadia engine?
No related recalls are listed in NHTSA data for the engine complaint category on the 2020 Acadia.
At what mileage do 2020 Acadia engine problems usually show up?
The median mileage at failure for engine-related complaints on the 2020 Acadia is 16,000 miles.
What kind of engine issues do 2020 Acadia owners report?
Owners describe Auto Stop/Start lurching on restart, a VVT sensor check-engine code, and shuddering linked to the torque converter that sometimes gets logged under engine complaints.
Did engine complaints cause any crashes on the 2020 Acadia?
NHTSA data shows 1 crash and 0 fires among the 33 engine-related complaints for the 2020 Acadia.

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.