2020 Acura MDX Problems & Complaints

Most common 2020 Acura MDX problems

• Engine & cooling~55,000 miles
  10246%
• Electrical system~25,000 miles
  4018%
• Other / not specified
  3917%
• Driver assistance~20,000 miles
  3817%
• Fuel & propulsion system~25,000 miles
  2310%
• Transmission & drivetrain~26,000 miles
  219%
• Brakes~6,000 miles
  157%
• Speed control & acceleration~45,000 miles
  146%
• Lights
  73%
• Air bags~45,000 miles
  52%
• Steering
  42%
• Windows, wipers & sunroof~36,000 miles
  42%
• Wheels & tires
  42%
• Seats
  31%
• Suspension~45,000 miles
  31%
• Body & structure
  10%
• Seat belts
  10%

Share of the 224 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.

Acura MDX complaints by model year

Best MDX years: 2013, 2011, 2012. Years to avoid: 2025, 2022, 2016, 2020, 2017. Compare all years →

2020 Acura MDX recalls (8)

NHTSA defect investigations

Federal safety investigators have looked into 3 possible defects involving the 2020 Acura MDX:

What 2020 Acura MDX owners say

Engine & cooling all 102 →

The contact owns a 2020 Acura MDX. The contact stated while driving 30-35 MPH, the accelerator pedal was depressed but the vehicle failed to respond and would not move. There were several unknown warning lights illuminated. The contact stated that after depressing the drive button several times, she was able to drive the vehicle. The vehicle was taken to the dealer who determined that the contact had inadvertently depressed an unknown button on the steering wheel causing the vehicle to shift to neutral. The vehicle was not repaired. The contact stated that the failure recurred while driving. The contact was able to restart the vehicle and drove to her destination. The contact stated the failure persisted. The contact stated that the vehicle inadvertently stalled while driving. Several unknown warning lights illuminated. …

The contact owns a 2020 Acura MDX. The contact stated that while driving 55 MPH, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The vehicle shook abnormally with the check engine warning light illuminated. Additionally, there was an abnormal sound coming from the engine compartment. The vehicle was driven to the residence. The contact stated that while parking the vehicle, the engine seized. The vehicle was towed to the dealer, where it was diagnosed with rod bearing failure and a failure in cylinder #6. The contact was informed there were metal shavings inside the oil pan, and that the engine needed to be replaced. The vehicle was not repaired. The contact referenced an unknown recall; however, the VIN was not associated with the recall. The manufacturer was made aware of the failure but provided no assistance. …

Electrical system all 40 →

The contact owns a 2020 Acura MDX. The contact stated that while driving in Comfort Mode at approximately 40 MPH and attempting to accelerate to change lanes, the vehicle stalled for several minutes before accelerating. There were no warning lights illuminated. The vehicle hesitated to start intermittently, and the failure was more frequent over time. The vehicle was taken to the dealer, who diagnosed that the battery had failed. The battery was replaced, and the vehicle was remedied under the NHTSA Campaign Number: 25V031000 (Fuel System, Gasoline, Electrical System). The failure reoccurred. The vehicle was returned to the dealer, and the contact stated that the vehicle was shaking abnormally while accelerating; however, the dealer had not diagnosed the vehicle a second time. The vehicle was not repaired. The manufacturer was not made aware of the failure. …

The contact owns a 2020 Acura MDX. The contact stated that on three separate occasions, the Auto Engine Idle Stop system failed to operate while depressing the accelerator pedal while at a stop. The contact stated that several unknown warning lights were illuminated on the instrument panel. The contact stated that the vehicle shut off and the contact had to manually restart the vehicle after the failure. The contact called and informed the dealer of the failure. The contact was then referred to the manufacturer for assistance with the repair. The contact was provided a case number and referred to the dealer to order the part for the repair. The contact made multiple attempts to reach the dealer but had not received a response. The vehicle was not repaired. The failure mileage was approximately 44,000.

Driver assistance all 38 →

The contact owns a 2020 Acura MDX. The contact stated that the front windshield camera became inoperable. There were unknown warning lights illuminated. Additionally, the control arms failed. The local dealer was contacted, but the vehicle was not diagnosed or repaired. The windshield was replaced with an aftermarket part at an auto body shop. The control arm was replaced at the local dealer. The manufacturer was contacted, but no assistance was provided. The failure mileage was approximately 45,000.

The contact owns a 2020 Acura MDX. The contact stated while driving approximately 40 MPH, the collision mitigation braking system inadvertently activated. There were no warning lights illuminated. The contact had since deactivated the collision mitigation braking system. The contact stated that the failure recurred several times. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 19,725

2020 Acura MDX engines & fuel economy

EPA ratings. Class: Small SUV.