2025 Acura MDX Engine Problems

Source: NHTSA · Updated Oct 15, 2026 · 68 complaints analyzed

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).

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.

Under 10k miles0 · 0%
10k–25k miles3 · 100%
25k–50k miles0 · 0%
50k–75k miles0 · 0%
75k–100k miles0 · 0%
100k–150k miles0 · 0%
150k+ miles0 · 0%

How serious are the reports?

None of the 68 complaints report a crash, fire or injury.

Acura MDX engine complaints by model year

Peak: 2016, with 162 complaints
2001: 320012002: 52003: 1020032004: 132005: 720052006: 92007: 1120072008: 32009: 820092010: 112011: 2820112012: 232013: 920132014: 262015: 720152016: 1621622017: 7920172018: 352019: 4820192020: 842022: 920222023: 12024: 620242025: 682026: 22026

n = 667 complaints · Source: NHTSA

Model yearEngine complaintsShare of that yearMedian miles
2026 MDX222%—
2025 MDX6861%14,000
2024 MDX615%—
2023 MDX12%—
2022 MDX96%26,000
2020 MDX8438%51,150
2019 MDX4825%18,197
2018 MDX3521%44,000
2017 MDX7930%63,500
2016 MDX16243%60,000
2015 MDX710%40,000
2014 MDX2615%12,250
2013 MDX930%14,593
2012 MDX2330%87,500
2011 MDX2840%91,107
2010 MDX1124%89,000
2009 MDX815%74,000
2008 MDX36%133,000
2007 MDX1111%104,000
2006 MDX910%101,000
2005 MDX74%123,000
2004 MDX138%143,000
2003 MDX105%187,453
2002 MDX52%180,000
2001 MDX31%131,500

When owners reported it

Peak: 2026, with 55 complaints
2025: 132025132026: 55202655

n = 68 complaints · Source: NHTSA

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…

Received Oct 15, 2026 · NHTSA complaint 11771386

My 2025 Acura MDX A-Spec Advance (VIN [XXX]) twice failed to restart after the Auto Idle Stop system shut the engine off — 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…

Received Oct 14, 2026 · NHTSA complaint 11771218

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…

Received Oct 8, 2026 · NHTSA complaint 11769975
Acura MDX
Twin Cities Auto Show Minneapolis Convention Center Minneapolis, Minnesota April 2023 **************************************************************************. Representative photo; appearance varies by model year. Photo: Greg Gjerdingen from Willmar, USA, CC BY 2.0, via Wikimedia Commons.

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.