Acura MDX problems
50 owner complaints with NHTSA, no active recalls. Here's where owners say it breaks.
Solid reliability overall. Common issues are concentrated in a few systems.
Buyable on the data — keep up the usual maintenance and inspect normally.
- No systemic severe-failure pattern in the complaint record
- Reliability score 8.2/10 — above the segment average
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
Top trouble spots 6 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
I have accura mdx 2009.unable to open car door using my key.could not open trunk.both sides light signals do not work.called aaa service to open door.vehicle was stationary
Acura mdx (2009) vibration issues: since purchasing the vehicle new, there is a vibration driving at speeds exceeding 70 MPH. The vibration can be felt through the chasis and steering wheel. The dealer has replaced the tires, rims, drive shaft and performed multiple balancing…
My 2009 mdx with 3500+ miles has been taken to dealer 3 times in the last month. Once I had to get it towed to dealership. First time I was told that they was issue with poor quality timing belt pulley. So timing belt got shredded. They had to replace the both. They took almost…
Approximately 3 months ago I went to start the medic and it would not start. No lights or any other accessories were left on. The car was jumped and started. Being the car was 4 years old and I had reviews of battery problems in the medic, I had the battery replaced. About…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2009 Acura MDX reliable?
Mostly yes. With a reliability score of 8.2 out of 10 based on 50 owner complaints filed with NHTSA, the 2009 Acura MDX is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
Should you avoid the 2009 Acura MDX?
On the NHTSA data, the 2009 Acura MDX does not need avoiding. Buyable on the data — keep up the usual maintenance and inspect normally. The record behind that call: No systemic severe-failure pattern in the complaint record; Reliability score 8.2/10 — above the segment average. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What's the most common problem on the 2009 Acura MDX?
Based on NHTSA records, the most-reported issue is electrical, with 14 complaints filed. Typical failure occurs around 65,219 miles. Average repair cost runs about $850 at an independent shop.
What's the most expensive thing that goes wrong?
The electrical is one of the costlier repair items. Average repair cost runs about $850 at an independent shop. Typical failure occurs around 65,219 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Acura MDX has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2009 Acura MDX?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 50 complaints on file and the costliest repair averaging $850, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.