Verdict
2018 GMC Acadia: Complaints, Recalls & Known Issues
What the public record actually says about the 2018 GMC Acadia — every figure below is a NHTSA or EPA number, not an opinion.
The read
More reported complaints than most SUV.
Owners filed 388 NHTSA complaints — more complaints than 78% of 2018 SUVs. Power Train leads the reports (40%). 2 safety recall campaigns on record — check the VIN and remedy terms with a dealer.
Based on NHTSA complaint volume against 2018 SUVs, not adjusted for how many were sold. It describes the model year, not the individual car you are looking at.
Complaints filed
388
Reports to NHTSA, 2018
Safety recalls
2
NHTSA campaigns on record
NHTSA crash test
Overall NCAP rating
Combined MPG
22
EPA estimate
Complaint volume vs. segment peers
More complaints than 78% of 2018 SUVs
The bar is this car's percentile among 2018 SUVs by complaint volume — a full bar means the fewest complaints in its class. Not adjusted for sales.
Known issues
Power Train issues lead owner complaints (40% of 388 reports), followed by unknown or other (24%).
+ 13 more component categories with fewer reports.
Share of all 388 NHTSA complaints for this model year, grouped by the component owners named. Bars are scaled to the largest category. Examples: ODI 11647553, ODI 11395733, ODI 11315398, ODI 11748238, ODI 11748054.
Recalls(2)
Open a recall to read what NHTSA says is wrong, what can happen, and how it gets fixed. Check the VIN and remedy eligibility with a dealer; federal no-charge requirements have an age limit, though a manufacturer may offer more coverage.
Power Train · 17V516000Details +Close −
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.
Risk: 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.
Fuel System · 18V358000Details +Close −
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.
Risk: 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.
A campaign can apply to this model year without being incomplete on a specific vehicle. Check the VIN with NHTSA or a dealer to confirm whether a particular car needs repair.
Investigations
0 NHTSA investigations on record
No investigations are on record as of Jul 2026. An empty record is not a clean bill of health.
Crash-test ratings
2018 GMC Acadia SUV AWD NHTSA source
- Overall
- Frontal
- Side
- Rollover
2018 GMC Acadia SUV FWD NHTSA source
- Overall
- Frontal
- Side
- Rollover
Fuel economy by trim
| Trim | Engine | Drivetrain | Transmission | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Acadia FWD | 2.5L 4-cyl | Front-Wheel Drive | Automatic 6-spd | 21 | 26 | 23 |
| Acadia AWD | 2.5L 4-cyl | All-Wheel Drive | Automatic 6-spd | 21 | 25 | 23 |
| Acadia FWD | 3.6L 6-cyl | Front-Wheel Drive | Automatic 6-spd | 18 | 25 | 21 |
| Acadia AWD | 3.6L 6-cyl | All-Wheel Drive | Automatic 6-spd | 17 | 25 | 20 |
EPA laboratory estimates by trim and engine. Actual mileage varies with driving, weather, load, and maintenance. EPA source.
Before you buy
Useful next checks
Federal records tell you about patterns. These checks can tell you more about the specific car in front of you.
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Compare model years
"Fewest reports" and "most complained" describe raw NHTSA complaint totals, not vehicle reliability. The last few model years are left unlabelled because they have had less road time.
2018 GMC Acadia: frequently asked
What does the complaint record show for the 2018 GMC Acadia?
Owners filed 388 NHTSA complaints about the 2018 GMC Acadia — more complaints than 78% of comparable 2018 SUVs, so it sits toward the weaker end of its class. That's a signal, not a guarantee about any single car.
What are the most common problems on the 2018 GMC Acadia?
The most-reported problem areas are Power Train (40% of complaints) and unknown or other (24%).
How many recalls does the 2018 GMC Acadia have?
2 recalls have been issued that affect the 2018 GMC Acadia, covering components such as power train. Check the VIN with NHTSA and ask a dealer to confirm remedy eligibility; federal no-charge requirements have an age limit, though manufacturers may offer more coverage.
What gas mileage does the 2018 GMC Acadia get?
The EPA rates the 2018 GMC Acadia between 20 and 23 mpg combined, depending on trim and drivetrain.