2020 Acura Mdx
Common Problems
Ranked from 85 federal NHTSA complaints and 1 recalls. Every problem links to the complaint IDs behind it.
12 Common Problems
Ordered by how often owners reported each one to NHTSA. The bar shows how common a problem is relative to the most-reported on this vehicle. Expand any problem to see the federal complaint IDs.
- 1
Auto Start/Stop System Failure
38complaintsSafety riskEngineThe auto start/stop system intermittently fails to restart the engine after stopping, causing the vehicle to stall and require manual restart.
Related recall: 23V751000
- 2
Engine Stall During Idling
20complaintsMedium severityEngineThe engine stalls during idling when the auto start/stop system is engaged, requiring manual restart and posing a safety risk.
$150–$1,200est. stalling / shutdown diagnosis + repair · 1–5 hrs laborGet local quotesRelated recall: 23V751000
- 3
Electrical system failures causing vehicle to shut down
15complaintsSafety riskElectricalThe electrical system frequently causes the vehicle to shut down unexpectedly, requiring the driver to restart the engine multiple times, posing a safety risk.
$150–$1,200est. stalling / shutdown diagnosis + repair · 1–5 hrs laborGet local quotes - 4
Forward Collision Avoidance System Malfunction
15complaintsSafety riskElectricalThe forward collision avoidance system, including adaptive cruise control and lane departure warning, intermittently malfunctions, leading to loss of safety features and warning lights.
- 5
Transmission failure causing vehicle to shift to neutral unexpectedly
11complaintsSafety riskTransmissionThe transmission occasionally fails, causing the vehicle to shift to neutral unexpectedly while driving, leading to potential loss of control.
$2,500–$5,500est. transmission rebuild/replacement · 8–16 hrs laborGet local quotes - 6
Engine hesitation and stalling during acceleration
10complaintsHigh severityEngineThe engine hesitates and stalls during acceleration, often without warning, affecting the vehicle's performance and safety.
$150–$1,200est. stalling / shutdown diagnosis + repair · 1–5 hrs laborGet local quotesRelated recall: 23V751000
- 7
Engine stalling and shifting to neutral during operation
8complaintsSafety riskEngineThe engine frequently stalls and shifts to neutral while driving, causing the vehicle to become unresponsive and potentially leading to accidents.
$200–$2,500est. drivetrain diagnosis + repair · 1–8 hrs laborGet local quotesRelated recall: 23V751000
- 8
Engine Knocking and Rod Bearing Failure
3complaintsHigh severityEngineThe engine produces a knocking sound and is suspected to have a rod bearing failure, requiring expensive engine replacement.
Related recall: 23V751000
- 9
Service Brake Malfunction Causing Uncontrolled Rollaway
2complaintsSafety riskOtherThe brake pedal becomes soft and the vehicle rolls forward unexpectedly, risking a collision.
$150–$1,000est. brake system diagnosis + repair · 1–4 hrs laborGet local quotes - 10
Suspension Vibration After Recall Repair
2complaintsMedium severitySuspensionA new vibration develops in the rear of the vehicle after a federal safety recall repair, occurring during acceleration.
$150–$1,200est. suspension diagnosis + repair · 1–5 hrs laborGet local quotes - 11
Unexplained Acceleration Without Pedal Input
2complaintsSafety riskTransmissionThe vehicle accelerates on its own without pedal input, posing a risk of losing control and colliding with objects.
- 12
Windshield Distortion Near A-Pillars
2complaintsMedium severityOtherWindshields exhibit distortion near A-pillars, causing visual impairment and potential safety issues.
Other years & sources
Data source: U.S. National Highway Traffic Safety Administration (NHTSA) owner complaints and recalls. Problems are clustered and ranked from the complaint record; occurrence counts reflect corroborating complaints, not total incidence. Vehicle image is illustrative. Repair-cost figures are typical U.S. independent-shop ranges (parts + labor) for the class of repair shown — actual quotes vary by region, engine, and diagnosis; always confirm with a local shop.