2019 GMC Acadia Engine Problems

Source: NHTSA · Updated Oct 8, 2026 · 53 complaints analyzed

Owners have filed 53 complaints with NHTSA about engine problems on the 2019 GMC Acadia, 14% of all complaints for this model year. Half of the reports with a mileage happened before 39,998 miles. The words owners use most often: “steering assist” (30% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Steering assist: mentioned in 16 of 53 complaints (30%)
  • Shift park: mentioned in 14 of 53 complaints (26%)
  • Temperature gauge: mentioned in 8 of 53 complaints (15%)
  • Reduced care: mentioned in 7 of 53 complaints (13%)

At what mileage do engine problems happen?

Based on 9 complaints that reported the odometer reading.

Under 10k miles2 · 22%
10k–25k miles1 · 11%
25k–50k miles2 · 22%
50k–75k miles1 · 11%
75k–100k miles2 · 22%
100k–150k miles0 · 0%
150k+ miles1 · 11%

How serious are the reports?

Of 53 complaints, 1 a fire.

GMC Acadia engine complaints by model year

Peak: 2008, with 124 complaints
2007: 462007462008: 1241242009: 672009672010: 74742011: 522011522012: 35352013: 212013212014: 45452015: 182015182016: 13132017: 622017622018: 34342019: 532019532020: 29292021: 292021292022: 14142023: 132023132024: 10102025: 6202562026: 11

n = 746 complaints · Source: NHTSA

Model yearEngine complaintsShare of that yearMedian miles
2026 Acadia111%—
2025 Acadia69%—
2024 Acadia1016%—
2023 Acadia1329%13,125
2022 Acadia1429%18,000
2021 Acadia2919%34,573
2020 Acadia2927%31,850
2019 Acadia5314%39,998
2018 Acadia349%23,465
2017 Acadia629%38,538
2016 Acadia136%31,300
2015 Acadia187%19,430
2014 Acadia4510%65,000
2013 Acadia2116%77,697
2012 Acadia3512%95,500
2011 Acadia5219%80,637
2010 Acadia7422%103,000
2009 Acadia6720%98,500
2008 Acadia12415%97,970
2007 Acadia4611%86,000

When owners reported it

Peak: 2026, with 16 complaints
2020: 3202032021: 3202132022: 2202222023: 9202392024: 6202462025: 142025142026: 16202616

n = 53 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists engine for the 2019 GMC Acadia. A pattern of complaints does not always lead to a recall.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

I own a 2019 GMC Acadia equipped with the 3.6L V6 engine. VIN. See form above In 2025, the engine coolant thermostat failed on my vehicle and required replacement at my expense. I am submitting this complaint because I believe this may represent a recurring component problem affecting 2019 GMC…

Received Sep 18, 2026 · NHTSA complaint 11765267

I am submitting this complaint to request that NHTSA investigate a potential safety defect involving the engine coolant temperature monitoring system, thermostat/engine coolant temperature sensor system, and its relationship to reduced steering assist in 2019 GMC Acadia vehicles. My 2019 GMC…

Received Sep 14, 2026 · NHTSA complaint 11764000

The contact owns a 2019 GMC Acadia. The contact stated that while driving at an undisclosed speed, the engine seized, with several unknown warning lights illuminated. Additionally, the battery low and steering assist warning lights were illuminated. The contact's minor children were occupants in…

Received Aug 17, 2026 · NHTSA complaint 11757418
GMC Acadia
Front view of a 2024 GMC Acadia Denali midsize crossover.. Representative photo; appearance varies by model year. Photo: Deathpallie325, CC BY-SA 4.0, via Wikimedia Commons.

Frequently asked questions

Do all 2019 GMC Acadias have engine problems?

No. NHTSA has 53 owner complaints about engine for the 2019 GMC Acadia (14% of the 387 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 2019 GMC Acadia engine?

No recall currently lists engine for this vehicle.

At what mileage do engine problems start?

The median reported mileage is 39,998 miles: half of the reports with a mileage came before that.

What do owners say about engine problems on the 2019 GMC Acadia?

The most frequent phrase is “steering assist”, in 16 of 53 complaints, followed by “shift park” (14).

Other 2019 GMC Acadia problems

See all 2019 GMC Acadia problems or engine problems across all Acadia years.