Head-to-head reliability
Acura MDX vs Acura ILX
How the Acura MDX and Acura ILX compare on NHTSA complaints, recalls and crash reports — and which is the lower-risk used buy.
Based on NHTSA owner-complaint & recall records
Acura MDX vs Acura ILX: The MDX averages 118 complaints per year and 45 recalls, while the ILX averages about 27 complaints and 36 recalls. MDX owners report sudden power loss and transmission failure; ILX owners report airbag and brake issues. Source: NHTSA owner complaints.
The picture
Is the Acura MDX or Acura ILX more reliable?
A plain-English read on what the NHTSA record says about living with each vehicle.
Acura MDX
The Acura MDX is a three-row luxury SUV that averages about 118 complaints per year over the past decade, with 45 recalls and 29 crash-related reports. Owners frequently describe sudden power loss, transmission failure, and electrical glitches that can put the vehicle into limp mode. While there are no reported deaths in this data, the high volume of engine and electrical complaints suggests that living with an MDX requires vigilance and prompt attention to warning signs.
Acura ILX
The Acura ILX is a compact luxury sedan with a much lower complaint rate—about 27 per year—and 36 recalls over ten years. The most common owner reports involve airbag problems, brake master cylinder recalls, and electrical issues such as alarms going off or flickering lights. With 23 crash-related complaints and 14 injuries, the ILX has its own safety concerns, but the overall complaint volume is far smaller than the MDX's.
The numbers
Side-by-side NHTSA record
Lower is better in every category. The highlighted cell is the stronger result.
| Category | Acura MDX | Acura ILX |
|---|---|---|
| Total complaintsAll model years combined | 1,180 | 269 Better |
| Safety recallsFederal recall campaigns | 45 | 36 Better |
| Crash reportsCrash-related complaints | 29 | 23 Better |
| Complaints per yearAveraged across model years | 118.0 | 26.9 Better |
| Reported injuriesTied to owner complaints | 27 | 14 Better |
Source: NHTSA owner complaints & recall records.
What actually goes wrong
The problems owners report
The most-complained-about systems on each vehicle — what fails, and what owners say in their own words.
Acura MDX
- 01ENGINE325
- 02ELECTRICAL SYSTEM243
- 03POWER TRAIN222
- 04UNKNOWN OR OTHER177
- 05FORWARD COLLISION AVOIDANCE151
Owners report sudden, total power loss while driving, with all dashboard warning lights illuminating and the vehicle reducing speed to 20 mph and refusing to accelerate. This can happen without warning and may be tied to the auto idle-stop system, making it a serious safety risk.
Complaints describe the brake warning light and multiple other lights coming on, followed by the vehicle entering limp mode and failing to accelerate. These electrical glitches can occur on rough roads or at speed, leaving drivers stranded or unable to maintain traffic speed.
The automatic transmission has failed without warning, such as not engaging after a stop or causing abrupt deceleration at highway speeds. Owners describe catastrophic drivetrain failure that feels like the wheels or transmission suddenly lock up.
This system is among the top complaint areas, though specific owner text is not provided. Buyers should be aware that advanced driver aids may malfunction or trigger unexpectedly, potentially distracting or startling the driver.
“VIN: [XXX]: 2024 Acura MDXComponents: Engine, Electrical System, Powertrain (Auto Idle-Stop)Ref Investigation: NHTSA EA25-004 (Upgraded from PE22-005) Dealer: Acura Carland ([XXX])SAFETY DEFECT SUMMARY:Severe safety hazard involving the Auto Idle-Stop system.…”
“My 2023 Acura (VIN# [XXX] ) has experienced two separate incidents of sudden, total power loss while driving. In both cases, all dashboard warning lights came on, including the brake light, and the vehicle reduced speed to 20 mph and would not accelerate. The…”
Acura ILX
- 01AIR BAGS78
- 02SERVICE BRAKES46
- 03ELECTRICAL SYSTEM32
- 04UNKNOWN OR OTHER30
- 05FUEL/PROPULSION SYSTEM27
Owners report airbag deployment without impact, such as while parking, which can cause a crash and injury. Others complain of long waits for recall repairs because parts are unavailable, leaving them in unrepaired vehicles.
A master cylinder brake recall has left owners unable to get repairs due to parts shortages. This means the brakes may not function correctly, and drivers may be driving with a known safety defect for months.
Complaints include the alarm going off at night, dashboard lights flickering, and the car failing to start. Some owners suspect unauthorized remote access or key fob issues, which can leave the vehicle disabled or vulnerable.
Fuel pump and fuel tank assembly recalls are listed, though specific owner text is not provided. These issues can cause stalling or fuel leaks, posing fire and crash risks.
“I am submitting this complaint regarding a 2021 Acura ILX (VIN: [XXX] ) that has been unreleasable for an extended period due to manufacturer inability to supply a required safety component. The vehicle was involved in an accident on July 6, 2025 and delivere…”
“The contact owns a 2021 Acura ILX. The contact stated while attempting to park the vehicle, the airbag deployed without impact which resulted in the contact crashing into a pole. The contact sustained a hurt knee and headaches that required medical treatment.…”
Official recalls
Safety recalls on record
Federal recall campaigns — the defect, the risk, and the fix. Confirm any open recall was completed before you buy.
Acura MDX — 45 recalls
The defect: Honda (American Honda Motor Co.) is recalling certain 2021-2025 Acura TLX, 2023-2025 Acura MDX, and 2023-2025 Honda Pilot vehicles. The brake pedal pivot pin was not secured properly, which can cause the pedal to shift out of position. As such, these vehicles fail to comply with Federal Motor Vehic…
The risk: A brake pedal that shifts out of position can prevent the driver from applying the brakes as intended, increasing the risk of a crash or injury.
The fix: Dealers will inspect and replace the brake pedal assembly as necessary, free of charge. Owner notification letters were mailed July 29, 2025. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall ar…
The defect: Honda (American Honda Motor Co.) is recalling certain 2018-2021, 2023 Acura TLX, 2019-2024 RDX, 2017-2020, 2022-2026 MDX, 2017-2021, 2023, 2025 Honda Ridgeline, 2017-2022 Pilot, 2019-2021 Passport, 2018-2026 Odyssey, 2019-2022 Insight, 2019-2021 HR-V, 2018-2020 Fit, 2020-2022 CR-V Hybrid, 2017-2022…
The risk: Air bags that deploy unintentionally during a crash increase the risk of injury.
The fix: Dealers will replace the seat weight sensors, free of charge. Owner notification letters were mailed July 7, 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are BOL, WO9, OOA, WOM, XOH,…
The defect: Honda (American Honda Motor Co.) is recalling certain 2021-2025 Acura TLX, 2023-2025 Acura MDX, and 2023-2025 Honda Pilot vehicles. The brake pedal pivot pin was not secured properly, which can cause the pedal to shift out of position. As such, these vehicles fail to comply with Federal Motor Vehic…
The risk: A brake pedal that shifts out of position can prevent the driver from applying the brakes as intended, increasing the risk of a crash or injury.
The fix: Dealers will inspect and replace the brake pedal assembly as necessary, free of charge. Owner notification letters were mailed July 29, 2025. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall ar…
The defect: Honda (American Honda Motor Co.) is recalling certain 2018-2021, 2023 Acura TLX, 2019-2024 RDX, 2017-2020, 2022-2026 MDX, 2017-2021, 2023, 2025 Honda Ridgeline, 2017-2022 Pilot, 2019-2021 Passport, 2018-2026 Odyssey, 2019-2022 Insight, 2019-2021 HR-V, 2018-2020 Fit, 2020-2022 CR-V Hybrid, 2017-2022…
The risk: Air bags that deploy unintentionally during a crash increase the risk of injury.
The fix: Dealers will replace the seat weight sensors, free of charge. Owner notification letters were mailed July 7, 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are BOL, WO9, OOA, WOM, XOH,…
Acura ILX — 36 recalls
The defect: Honda (American Honda Motor Co.) is recalling certain 2013-2023 Honda Accord, Civic Coupe, Civic Sedan, Civic Hatchback, Civic Type R, CR-V, HR-V, Ridgeline, Odyssey, Acura ILX, MDX, MDX Hybrid, RDX, RLX, TLX, 2019-2022 Honda Insight, Passport, 2020 Honda CR-V Hybrid, 2018-2019 Honda Clarity PHEV,…
The risk: Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
The fix: Dealers will replace the fuel pump module, free of charge. Owner letters were mailed September 6, 2024. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are KGC and KGD. This recall is an expansi…
The defect: Honda (American Honda Motor Co.) is recalling certain 2016-2020 Acura ILX vehicles. Contaminated brake fluid may cause a seal inside the brake master cylinder to deform, which can cause an internal brake fluid leak and reduce brake function.
The risk: Reduced brake function can extend the distance required to stop, increasing the risk of a crash or injury.
The fix: Dealers will replace the brake master cylinder, free of charge. Owner letters were mailed May 4, 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's number for this recall is RN5. Vehicle Identification Numbers (VI…
The defect: Acura (American Honda Motor Co.) is recalling certain 2014-2019 Acura ILX vehicles. The vehicles may have a deformed fuel tank, raising the height of the fuel pump and allowing the fuel level float to stick, possibly causing the fuel gauge to display an inaccurate fuel level.
The risk: If the fuel gauge displays that the vehicle has more gas than it actually does, the vehicle may run out of gas and stall, increasing the risk of a crash.
The fix: Acura will notify owners, and dealers will inspect and, as necessary, replace the fuel tank, free of charge. The recall began March 14, 2019. Owners may contact Acura customer service at 1-888-234-2138. Acura's number for this recall is H3…
The defect: Acura (American Honda Motor Co.) is recalling certain 2016-2019 Acura ILX vehicles. Excessive grease may prevent the set-ring on the half shaft from fully engaging, allowing the driveshaft to separate from the half shaft.
The risk: A separated driveshaft can cause the vehicle to have a loss of drive or allow the vehicle to move even while in Park, increasing the risk of a crash or injury.
The fix: Acura will notify owners, and dealers will inspect, and, as necessary, replace the driveshaft and half shaft, free of charge. The recall began August 1, 2019. Owners may contact Acura customer service at 1-888-234-2138. Acura's number for…
Buyer analysis
Acura MDX or Acura ILX: which should you buy?
The Acura ILX has far fewer complaints per year (about 27) compared to the MDX (about 118), and fewer crash-related reports (23 vs. 29). In practice, this means an ILX owner is less likely to experience frequent trips to the dealer for recurring problems, though both vehicles have serious safety recalls. The MDX's higher volume suggests more complex systems that can fail in dangerous ways.
Key differences
- The MDX has 118 complaints per year on average, while the ILX has about 27—more than four times fewer for the ILX.
- MDX owners frequently report sudden power loss and transmission failure, whereas ILX complaints center on airbag deployment without impact and brake master cylinder recalls.
- The MDX has 45 recalls over ten years, compared to 36 for the ILX, but the MDX's recalls include brake pedal and airbag sensor issues.
- ILX owners describe long waits for recall parts, especially for brakes and airbags, while MDX owners report electrical glitches that trigger limp mode.
- During a test drive, watch for any dashboard warning lights, especially brake or engine lights, and ask if the vehicle has ever entered limp mode or lost power.
- Check for transmission hesitation or failure to engage after stops, and listen for unusual noises from the drivetrain during turns or acceleration.
- Ask for proof that the airbag and brake master cylinder recalls have been completed; if not, confirm parts availability before buying.
- Test the electrical system thoroughly—check that the alarm doesn't go off randomly, all lights work, and the car starts reliably after sitting overnight.
Before you buy
- Run the VIN on NHTSA's recall website to see if any open recalls exist for the specific MDX or ILX you are considering.
- Ask the seller for maintenance records, especially any repairs related to engine, transmission, electrical, or brake systems.
- During a test drive, pay attention to any warning lights, unusual noises, or hesitation, and note if the vehicle feels like it might stall or lose power.
- Have a trusted mechanic inspect the vehicle, focusing on the MDX's transmission and electrical system, and the ILX's brakes and airbags.
- For the ILX, confirm that the fuel pump and driveshaft recalls have been addressed, as these can cause stalling or loss of control.
Year by year
Which model years to avoid
Complaints per model year for both vehicles — lower is better. The spikes are the years to scrutinize.
| Year | Acura MDX | Acura ILX |
|---|---|---|
| 2022 | 153 | 3 |
| 2021 | 0 | 11 |
| 2020 | 222 | 10 |
| 2019 | 188 | 36 |
| 2018 | 168 | 23 |
| 2017 | 256 | 20 |
Check the actual car
Comparing models is smart. Checking the VIN is essential.
Brand averages tell you the trend. A VIN check tells you what's wrong with the specific Acura MDX or Acura ILX in front of you — accident history, open recalls and title records.
Go deeper
Full reliability reports
- Comparison
- Acura MDX vs Acura ILX
- Acura MDX total complaints
- 1,180
- Acura ILX total complaints
- 269
- Acura MDX total recalls
- 45
- Acura ILX total recalls
- 36
- Acura MDX avg complaints/year
- 118.0
- Acura ILX avg complaints/year
- 26.9
- More reliable overall
- Acura ILX
- Acura MDX top complaint area
- ENGINE
- Acura ILX top complaint area
- AIR BAGS