2018 Model Year

GMC Acadia

NHTSA Complaints & Reliability Data

Compare
Complaints
362
Recalls
0
Crashes
8
Severe
14

Recent Complaints

Latest owner reports

Power Train
Dec 2026

Car will not shift into park therefore I cannot turn the car off without disconnecting the battery. Dangerous bc you don’t know if the car is in park...

ELECTRICAL SYSTEM,SERVICE BRAKES,ENGINE Crash
Jul 2026

The vehicle has experienced repeated electrical and engine-related malfunctions, including random engine shutdowns while driving and random no-start c...

LANE DEPARTURE,ELECTRICAL SYSTEM
Feb 2026

The contact owns a 2018 GMC Acadia. The contact stated that upon parking the vehicle and attempting to release the key from the ignition switch, the k...

Power Train
Feb 2026

2018 GMC Acadia comes up with an error message "shift to park" and does not allow me to fully engage my car into the parked position when stopped and...

Power Train
Jan 2026

Gear shifter will not go into park.

Power Train
Jan 2026

The contact owns a 2018 GMC Acadia. The contact stated that while starting the vehicle and attempting to shift into park, the vehicle failed to recogn...

STEERING,ENGINE
Dec 2025

The warning light for a steering assist needs service came on the dash. The dealer had a code (po128) that pertained to a bad thermostat and coolant t...

UNKNOWN OR OTHER
Nov 2025

I continue to get a message "Steering assist is reduced drive with care " this appears to be a very common issue with my vehicle model. it is ver...

Steering
Nov 2025

"STEERING ASSIST IS REDUCED" This message appears on the instrument panel once in a while, and I have to get a mechanic to reset it....

UNKNOWN OR OTHER
Nov 2025

Faulty shifter assembly (shift to park) car stays on while in park because of this issue

VS

Vehicle Safety Research Team

Automotive Data Analysts

Independent researchers analyzing NHTSA data to help consumers make informed vehicle decisions.

Data updated: March 5, 2026

Summary

The 2018 GMC Acadia has 362 complaints and 0 recalls on record. The most commonly reported issue is Power Train. 8 crash-related incidents have been reported.

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