2025 Acura MDX Engine Problems
Owners have filed 68 complaints with NHTSA about engine problems on the 2025 Acura MDX, 61% of all complaints for this model year. Half of the reports with a mileage happened before 14,000 miles. The words owners use most often: “idle stop” (46% of reports).
- 68engine complaints
- 14,000median miles at failure
- 0mention a crash
- 0mention an injury
- 0related recalls
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Idle stop: mentioned in 31 of 68 complaints (46%)
- Failed restart: mentioned in 16 of 68 complaints (24%)
- Shut off: mentioned in 16 of 68 complaints (24%)
- Auto start: mentioned in 14 of 68 complaints (21%)
At what mileage do engine problems happen?
Based on 3 complaints that reported the odometer reading.
How serious are the reports?
None of the 68 complaints report a crash, fire or injury.
Acura MDX engine complaints by model year
| Model year | Engine complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 MDX | 2 | 22% | — |
| 2025 MDX | 68 | 61% | 14,000 |
| 2024 MDX | 6 | 15% | — |
| 2023 MDX | 1 | 2% | — |
| 2022 MDX | 9 | 6% | 26,000 |
| 2020 MDX | 84 | 38% | 51,150 |
| 2019 MDX | 48 | 25% | 18,197 |
| 2018 MDX | 35 | 21% | 44,000 |
| 2017 MDX | 79 | 30% | 63,500 |
| 2016 MDX | 162 | 43% | 60,000 |
| 2015 MDX | 7 | 10% | 40,000 |
| 2014 MDX | 26 | 15% | 12,250 |
| 2013 MDX | 9 | 30% | 14,593 |
| 2012 MDX | 23 | 30% | 87,500 |
| 2011 MDX | 28 | 40% | 91,107 |
| 2010 MDX | 11 | 24% | 89,000 |
| 2009 MDX | 8 | 15% | 74,000 |
| 2008 MDX | 3 | 6% | 133,000 |
| 2007 MDX | 11 | 11% | 104,000 |
| 2006 MDX | 9 | 10% | 101,000 |
| 2005 MDX | 7 | 4% | 123,000 |
| 2004 MDX | 13 | 8% | 143,000 |
| 2003 MDX | 10 | 5% | 187,453 |
| 2002 MDX | 5 | 2% | 180,000 |
| 2001 MDX | 3 | 1% | 131,500 |
When owners reported it
Related recalls (0)
No safety recall lists engine for the 2025 Acura MDX. 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 have had a problem with the "Auto Idle Stop" in my 2025 Acura MDX. While at a stop light 2 different times and at a stop sign 1 time the car engine shut off as it should. Upon letting off the brake and pressing the gas the car would not go. It stayed in Park and I could not get it to go. The…
My 2025 Acura MDX A-Spec Advance (VIN [XXX]) twice failed to restart after the Auto Idle Stop system shut the engine off â on XXX (~2:00 PM CDT) and again on October 10, 2026 (2:20 PM CDT). The vehicle was immobilized and would not restart. Sterling Acura of Austin ([XXX]) diagnosed a failed…
On two occasions my vehicle stalled out when the idle stop feature failed to restart the engine in traffic. I could not restart my vehicle initially and it took several attempts to restart. Because I was at a stop in an intersection waiting to turn this could have resulted in a serious accident…

Frequently asked questions
Do all 2025 Acura MDXs have engine problems?
No. NHTSA has 68 owner complaints about engine for the 2025 Acura MDX (61% of the 111 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 2025 Acura MDX engine?
No recall currently lists engine for this vehicle.
At what mileage do engine problems start?
The median reported mileage is 14,000 miles: half of the reports with a mileage came before that.
What do owners say about engine problems on the 2025 Acura MDX?
The most frequent phrase is “idle stop”, in 31 of 68 complaints, followed by “failed restart” (16).
Other 2025 Acura MDX problems
See all 2025 Acura MDX problems or engine problems across all MDX years.