2018 Gmc Acadia Safety Report
2018 GMC Acadia Safety Report
Safety Decision Cockpit for the 2018 Gmc Acadia
This page is the hub for deciding what to inspect next on the 2018 Gmc Acadia. It connects recall campaigns, owner complaint patterns, service bulletins, sibling model years, component issue hubs, and the model buying guide so a shopper or owner can move from a single report into the wider safety graph.
| Signal | Value | What to inspect next |
|---|---|---|
| Recall burden | Moderate (2) | Review campaign numbers, affected components, and dealer remedies below. |
| Owner complaints | High (368) | Scan complaint narratives for recurring symptoms, mileage, crashes, fires, injuries, and dates. |
| Crash and fire reports | 9 | Treat any crash, fire, injury, or fatality-linked pattern as a priority pre-purchase inspection item. |
| Primary component hub | Power Train | Compare power train issues across vehicles. |
| Cleaner nearby model year | 2020 | Compare against the 2020 Gmc Acadia with 82 complaints and 6 recalls. |
| Riskier nearby model year | 2017 | Check the 2017 Gmc Acadia before buying across this generation. |
Gmc Acadia Year-by-Year Comparison
The safest purchase decision usually comes from comparing neighboring model years, not reading a single page in isolation. The table below uses only validated Gmc Acadia years already present in the cleaned NHTSA dataset, so each comparison links to a real vehicle safety report rather than a generated combination.
| Model Year | Complaints | Recalls | Use case |
|---|---|---|---|
| 2019 Gmc Acadia | 343 | 2 | Compare as a potentially cleaner alternative. |
| 2017 Gmc Acadia | 680 | 4 | Inspect as a potentially higher-complaint year. |
| 2020 Gmc Acadia | 82 | 6 | Compare as a potentially cleaner alternative. |
| 2016 Gmc Acadia | 227 | 4 | Compare as a potentially cleaner alternative. |
| 2021 Gmc Acadia | 133 | 2 | Compare as a potentially cleaner alternative. |
| 2015 Gmc Acadia | 253 | 4 | Compare as a potentially cleaner alternative. |
2018 Gmc Acadia Complaint Theme Map
Complaint counts become more useful when they are grouped into inspection themes. For the 2018 Gmc Acadia, these are the component areas with the clearest NHTSA complaint signals. Use each link to jump from this single vehicle into broader component hubs and make-specific issue pages.
Power Train
109 owner complaints mention this component in the current safety profile.
All Power Train issues Gmc onlyUnknown Or Other
81 owner complaints mention this component in the current safety profile.
All Unknown Or Other issues Gmc onlyElectrical System
45 owner complaints mention this component in the current safety profile.
All Electrical System issues Gmc onlyPower Train,Electrical System
16 owner complaints mention this component in the current safety profile.
All Power Train,Electrical System issues Gmc onlyService Brakes
8 owner complaints mention this component in the current safety profile.
All Service Brakes issues Gmc onlyElectrical System,Unknown Or Other
8 owner complaints mention this component in the current safety profile.
All Electrical System,Unknown Or Other issues Gmc onlyAI Safety Analysis for the 2018 Gmc Acadia
Reliability Score
The 2018 Gmc Acadia receives a reliability score of 85 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates above-average reliability relative to comparable vehicles.
NHTSA Safety Ratings for the 2018 Gmc Acadia
The National Highway Traffic Safety Administration (NHTSA) evaluates vehicles through controlled crash tests and assigns star ratings from 1 to 5, with 5 being the safest.
Known Issues for the 2018 Gmc Acadia
The following issues have been identified from NHTSA complaint data and owner reports for the 2018 Gmc Acadia:
| Issue | Severity | Frequency | Typical Mileage |
|---|---|---|---|
| Fuel Pump Failure Recalled by GM for fuel pump issues, potentially leading to vehicle shutdowns. |
Medium | Common | 30k-60k miles |
| Electrical System Malfunctions Frequent electrical system failures, including engine shutdowns and no-start conditions. |
High | Common | 0-100k miles |
| Shift To Park Malfunction Common issue where the gear shift fails to register the park position, leading to safety concerns. |
High | Common | 0-100k miles |
| Driveshaft Issues Recalled by GM for driveshaft problems, which can affect drivability and safety. |
Medium | Common | 0-100k miles |
Common Problems Reported by Owners
Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2018 Gmc Acadia:
Issues with the fuel pump, leading to unexpected shutdowns.
Frequent electrical malfunctions, including engine shutdowns and no-start conditions.
Common issue where the gear shift fails to register the park position.
Problems with the driveshaft, affecting drivability and safety.
Recall Details for the 2018 Gmc Acadia
The following 2 recalls have been issued for the 2018 Gmc Acadia by NHTSA:
Summary: General Motors LLC (GM) is recalling certain 2015-2018 GMC Canyon, 2016-2017 Buick Envision, 2016-2018 Chevrolet Colorado and Malibu, 2017-2018 GMC Acadia, 2018 Buick LaCrosse, Cadillac ATS, Chevrolet Equinox, and GMC Terrain vehicles. The high pressure fuel pump may detach from its mounting flange, possibly resulting in the pump damaging the high pressure fuel line.
Consequence: A damaged fuel line can create a fuel leak, increasing the risk of a fire.
Remedy: GM will notify owners, and dealers will replace the high pressure fuel pump, and high pressure fuel pipe, free of charge. The recall began July 2, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18188.
Summary: General Motors LLC (GM) is recalling certain 2018 Chevrolet Equinox and GMC Terrain vehicles and 2017-2018 GMC Acadia vehicles. The right front intermediate driveshaft may fracture and separate while driving.
Consequence: If the front right intermediate drive shaft assembly separates while driving, the vehicle will lose propulsion, increasing the risk of a crash. If the assembly separates while parked on a grade, without the park brake engaged, the vehicle may move unintentionally, increasing the risk of a vehicle roll-away.
Remedy: GM will notify owners, and dealers will replace the right front intermediate drive shaft assembly, free of charge. The recall began August 25, 2017. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is 17329.
NHTSA Complaint Summaries for the 2018 Gmc Acadia
Below are complaint narratives filed by owners of the 2018 Gmc Acadia with the National Highway Traffic Safety Administration. 2 complaints involved crashes. 1 reported injuries or fatalities.
Vehicle dies with no warning, no warning lights, no power even emergency flashers are inoperative, almost like it got hit by an EMP
My car says Shift to park when I try to turn it off. Leaving my battery to drain.
Gear shift fails to register that it’s in fact in park position on gear shift but dash message reports “shift to park”, and warning beeping sound won’t stop and doors won’t lock. After restarting and reshifting the gears and / or pressing gear shift button up to 20 times or more until the dinging noise stops and only then can the car be locked. Everyday since 4/20/2025
Car does not turn off, says “Shift to Park” but car already is in park and car won’t turn off.
The contact owns a 2018 GMC Acadia. The contact stated that while shifting into park(P), the gear shift indicator failed to display that the vehicle was in park(P) on the instrument panel, even though the vehicle was in park(P). The gear shifter was shifted continuously until the gear shift indicator recognized that the vehicle was in park(P) on the instrument panel. No warning lights were illumin...
Dear General Motors Customer Assistance Center, I am writing to formally file a complaint and request assistance regarding a serious mechanical failure with my 2018 GMC Acadia SLT. I purchased this vehicle when it had approximately 7,000 miles on it after it was transported from Florida. Since owning the vehicle, I have properly maintained it and had it serviced through Suttle Motors dealership ...
The vehicle has experienced repeated electrical and engine-related malfunctions, including random engine shutdowns while driving and random no-start conditions. The thermostat and cooling system failed and were replaced in 2024. Multiple sensors have failed. The braking system remains noisy even after brake replacement. The lane detection safety system does not provide audible alerts. The vehicle ...
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 key seized inside the ignition switch. The contact stated that either the “Parking Assist” or the “Steering Assist” warning light was illuminated during the failures, and the A/C system became inoperable. The failure had occurred on several occasions....
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 parking.
Gear shifter will not go into park.
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 recognize that the transmission was in park(P). There was no warning light illuminated. The contact stated that several attempts were required to shift the vehicle into park(P) to turn off the vehicle. The contact further stated that on other occasions, th...
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 or not when you have to get out and stand in front of car to life hood and disconnect battery.
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 temp. sensor. The steering assist could have failed, along with possible engine damage. The dealer replaced the thermostat and the coolant temp sensor. Their were no police or insurance reports needed.
Shift to park message has appeared again and the engine will not cut off. First happened in Feb 2020, mileage was 31,143. Took to Dealer and new wiring harness was installed. Had to take back to dealer April 2020 for same problem; shifter assembly was replaced at that time. Shift to park message came back on August 2023. Took back to Dealer and shifter harness replaced again and jumper harness w...
I have been having issues with shift to park message for a yr now and it just gets worse and do not have the funds to pay for it myself bu5 see that it is a recall and gm is covering cost for other makes models of my same yr for same issue takes sometimes 20 minutes to mess with my shifter until I can finally park my car where it shuts completely off. This is a safety risk as 1 it could roll away ...
The contact owns a 2018 GMC Acadia. The contact stated that after shifting to the park(P), there was an audible warning alarm activated, and the message "Shift to Park" was displayed, and the vehicle failed to immediately turn off. After restarting the vehicle and jiggling the gear shifter, the failure was corrected. The vehicle was taken to the local dealer, who diagnosed the vehicle and determin...
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 very expensive to fix. I am just outside of warranty so it is not covered. Online indicates this is so common. It is the vehicle thermostat and sensor prematurely going bad
"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. Many other people who drive the 2018 GMC Acadia, are reporting the same problem. This occurs so frequently on this model, that it obviously was a manufacturing design flaw.
SHIFTER PROBLEM 2018 GMC ACADIA. I NEVER RECEIVED A RECALL NOTICE OR BULLETIN ABOUT SHIFT TO PARK SHIFTER PROBLEM
URGENT SAFETY DEFECT — RECURRING “SHIFT TO PARK” — ROLLAWAY RISK Vehicle: GMC Acadia | ~99,684miles Same defect repaired FREE under GM goodwill in 2021 (shifter replacement, TSB 19-NA-206) after 4 failed attempts. Now FAILED AGAIN in 2025 — vehicle will not shut off, drains battery, risks unintended rollaway. GM dealer refuses repeat coverage despite prior admission of defect. This is a KNOWN DES...
Showing 20 of 368 complaints. Additional complaints are available via the NHTSA database.
Frequently Asked Questions About the 2018 Gmc Acadia
Has the 2018 GMC ACADIA been recalled?
Yes, the 2018 GMC ACADIA has 2 recalls on record with NHTSA. Each recall addresses a specific safety defect identified by the manufacturer or NHTSA.
How many complaints does the 2018 GMC ACADIA have?
The 2018 GMC ACADIA has 368 complaints filed with NHTSA. Of these, 8 involved crashes. 12 injuries and 0 deaths have been reported.
What is the safety rating for the 2018 GMC ACADIA?
The 2018 GMC ACADIA received an overall NHTSA safety rating of good (4/5). Frontal crash: 5/5. Side crash: 5/5. Rollover: 4/5.
What are the most common problems with the 2018 GMC ACADIA?
The most commonly reported problems with the 2018 GMC ACADIA involve power train (109 complaints), unknown or other (81 complaints), electrical system (45 complaints). Other affected components include power train,electrical system, service brakes, electrical system,unknown or other.
How many crash reports does the 2018 GMC ACADIA have?
There are 8 crash reports associated with the 2018 GMC ACADIA out of 368 total complaints (2.2% of complaints involved crashes).
How many fire reports does the 2018 GMC ACADIA have?
There are 1 fire reports for the 2018 GMC ACADIA out of 368 total complaints. Fire reports are among the most serious safety concerns tracked by NHTSA.
Are there any deaths reported for the 2018 GMC ACADIA?
No deaths have been reported in NHTSA complaints for the 2018 GMC ACADIA.
How many injuries are reported for the 2018 GMC ACADIA?
12 injuries have been reported in NHTSA complaints for the 2018 GMC ACADIA. These are self-reported by vehicle owners as part of their safety complaints.
Should I buy a 2018 GMC ACADIA?
Based on NHTSA data, the 2018 GMC ACADIA is research thoroughly before purchasing. It has 368 complaints, 2 recalls, and a good (4/5) safety rating. Always have a pre-purchase inspection done by a qualified mechanic.
What components fail most on the 2018 GMC ACADIA?
The components with the most failures on the 2018 GMC ACADIA are: 1. POWER TRAIN (109 complaints), 2. UNKNOWN OR OTHER (81 complaints), 3. ELECTRICAL SYSTEM (45 complaints), 4. POWER TRAIN,ELECTRICAL SYSTEM (16 complaints), 5. SERVICE BRAKES (8 complaints). POWER TRAIN is the single most-reported problem area with 109 complaints.
What should I know before buying a 2018 GMC ACADIA?
Be cautious of unexpected shutdowns and gear shift malfunctions, which can pose safety hazards. The 2018 GMC ACADIA has 368 NHTSA complaints and 2 recalls on record. NHTSA rates it good (4/5).
How reliable is the 2018 GMC ACADIA?
The 2018 GMC ACADIA receives a reliability score of 85/100, indicating above-average reliability. This is based on 368 owner complaints, 2 recalls, and 9 crash/fire reports in the NHTSA database. Key known issues include Fuel Pump Failure and Electrical System Malfunctions.
What are the known issues with the 2018 GMC ACADIA?
Known issues with the 2018 GMC ACADIA include: Fuel Pump Failure, Electrical System Malfunctions, Shift to Park Malfunction, Driveshaft Issues. These are based on patterns found across 368 NHTSA complaints. 2 of these patterns resulted in formal recalls.
What are the common safety issues with the 2018 GMC Acadia?
Common issues include unexpected shutdowns and gear shift malfunctions that can prevent the car from turning off safely.
Is there a recall for the fuel pump in the 2018 GMC Acadia?
Yes, GM has recalled the 2018 GMC Acadia for fuel pump issues that can lead to unexpected shutdowns.
What should I do if my car shows a 'Shift to Park' message but won't turn off?
Take your vehicle to a dealership immediately to diagnose and fix the issue, as it poses a safety hazard.
Buyer Advice
Our recommendation: Be cautious of unexpected shutdowns and gear shift malfunctions, which can pose safety hazards.
NHTSA Data Summary for 2018 Gmc Acadia
This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2018 Gmc Acadia. The data includes 368 consumer complaints filed by vehicle owners, 2 manufacturer-initiated safety recalls, 8 reported crashes, 1 fire incidents, 12 reported injuries, and safety rating assessments associated with this vehicle.
The NHTSA has assigned the 2018 Gmc Acadia an overall safety rating of 4 out of 5 stars, with a frontal crash rating of 5 stars, a side crash rating of 5 stars, and a rollover rating of 4 stars. These ratings are determined through controlled crash testing conducted by the NHTSA.
All data presented in this report is sourced from public NHTSA databases. Our AI analysis identifies patterns across complaint narratives, correlates them with recall history, and produces the safety assessment above. This analysis is updated as new complaints and recalls are filed with the NHTSA.
Consumers are encouraged to report vehicle safety problems to the NHTSA at nhtsa.gov. If your vehicle is subject to a recall, contact your dealer to schedule the free repair.
Disclaimer: This analysis is AI-generated from NHTSA public data and does not constitute professional automotive or safety advice. Always verify recall status at NHTSA.gov and consult a qualified mechanic.
Analysis last updated: 2026-05-16