Used GMC Acadia — common problems and service
Common issues, reliability information, and service offers to review before buying this model used.
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The 2024 and 2025 Acadia models have the most service brake complaints, with 14 and 24 complaints respectively, making brakes the top problem area on the redesigned third-generation model. Specific fault modes are not documented, but a pre-purchase inspection of pads, rotors, calipers, and brake-control modules is recommended. Unaddressed brake faults can degrade stopping performance. No specific repair cost is available, though the Acadia's average annual repair cost is $734.
Electrical system problems are a top complaint category for five consecutive model years (2020-2024), with complaint counts ranging from 7 to 27. Common consequences include warning-light malfunctions, infotainment/screen failures, accessory power losses, or intermittent starting issues. Buyers should verify all electronics, including the 15-inch touchscreen on 2024+ models, during a test drive. No issue-specific repair cost is provided; the average annual repair cost is $734.
Powertrain complaints are a leading category for the Acadia in 2020, 2021, 2023, and 2024, with the 2020 model year rated the worst overall due to powertrain issues. Specific failure modes are not described, but they may relate to transmission concerns or engine performance problems. A mechanical inspection and transmission-fluid service history review are advisable, especially for 2020-2021 examples. No issue-specific repair cost is available; the average annual repair cost is $734.