Certain vehicles listed above, may have a condition where coolant leaks from the radiator hose quick connect at the radiator inlet. This special coverage covers the condition described above for a period of 5 years or 60,000 miles (100,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after July 14, 2026, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to July 14, 2026, must be submitted to the Service Contract provider. Vehicle
full bulletin at NHTSA ↗2025 GMC Acadia engine problems
moderate Owners of the 2025 GMC Acadia have filed 3 NHTSA complaints about the engine at roughly $3,100 to repair (U.S. federal records, as of November 2026). Source: NHTSA Office of Defects Investigation. See engine across all vehicles →
| Model year | engine complaints |
|---|---|
| 2021 Acadia | 17 |
| 2022 Acadia | 6 |
| 2023 Acadia | 5 |
| 2024 Acadia | 6 |
| 2025 Acadia (this page) | 3 |
Of the 19 model years of GMC Acadia we track for engine problems, this one has the fewest owner complaints on file (3).
Owners are still filing on this — the most recent NHTSA engine complaint for this vehicle was logged 21 days ago.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
full bulletin at NHTSA ↗This bulletin provides a procedure to verify a noise and replace the oil pump shaft assembly if the gears of the pump and balance shaft are found the issue of the customers concern.
full bulletin at NHTSA ↗This bulletin provides a procedure to replace the oil pump due to a loose drive pump gear not pressed on the pump shaft.
full bulletin at NHTSA ↗The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 2 most recent
Known GMC problem of a coolant leak which could cause an on-highway failure.
Engine cooling system malfunction, Ive had to receive maintenance on my Acadia 2025 elevation 3 times in the pass 2 months for the same issue, The coolant system. This is becoming a reoccurring issue that needs to be investigated thoroughly. Ive had to get a rental car all 3 times, and this is becoming frustrating and financially draining. My biggest concern is what is to happen once my warranty…
Common questions
How serious is the engine problem on the 2025 GMC Acadia?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.