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#BS-2018-ACUMDX-48A92018 Acura MDXProblems, Recalls & Reliability
Based on reports from 295 owners and 10 recalls for this exact model.
Data updated ·checked October 21, 2026 · NHTSA complaints through October 19, 2026
Preliminary Verdict
Think Twice
Based on 295 complaints, 6 crashes, 8 fires, and 10 recalls.
Top reported problems
all electric warning problem lights lit up for no reason
2 complaints • Severity 10/10
complicated screen controls
1 complaints • Severity 10/10
died while driving
1 complaints • Severity 10/10
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Mechanic Inspection Checklist
54 owners reported engine issues — failures commonly reported around 40K miles.
Failure Timeline by Mileage
Peak failure range: 0–30K miles (29 reports) • Median: 40K miles
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Engine (54 reports).
Also in your report
Owner Intelligence
AI-synthesized themes from real complaints
Buyer Lot Checklist
Questions, test drive checks, walk-away triggers
Negotiation Talking Points
Data-backed dollar deductions
Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
2018 Acura MDX: Known Issues & Problem Areas
Engine Issues
Engine complaints account for 18% of all reports filed for the 2018 Acura MDX, with 54 owners filing complaints with NHTSA. The median mileage at time of complaint is 40,000 miles, suggesting issues tend to surface around the 40K-mile mark.
Fuel System Issues
Fuel System complaints account for 17% of all reports filed for the 2018 Acura MDX, with 51 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.
Electrical Issues
Electrical complaints account for 9% of all reports filed for the 2018 Acura MDX, with 26 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.
Drivetrain Issues
Drivetrain complaints account for 7% of all reports filed for the 2018 Acura MDX, with 22 owners filing complaints with NHTSA. Owners should pay attention to drivetrain-related symptoms during test drives and pre-purchase inspections.
Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.
Complaint trend by year
Complaints filed with NHTSA by year for the 2018 Acura MDX. Recent trend: stable.
Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (10 recalls)
SEATS
Honda (American Honda Motor Co.) is recalling certain 2018 Honda Pilot and Ridgeline vehicles and 2018 Acura MDX vehicles. The front driver and passenger powered seats in the Honda vehicles and the driver powered seats in the Acura vehicles may have been assembled with improperly manufactured rivets. In the event of a crash, the rivets can break causing the seats not to be secured to the floor. As such, these vehicles may fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 207, "Seating Systems," and 210, "Seat Belt Assembly Anchorages."
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
Honda (American Honda Motor Co.) is recalling certain 2017-2019 Acura MDX, 2017-2018 Acura MDX Sport Hybrid, 2018-2019 Honda HR-V and Honda Odyssey, and 2016 Honda HR-V vehicles. The rear brake caliper pistons may have an insufficient coating, causing gas pockets to form, reducing brake performance. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 135, "Light Vehicle Brake Systems."
FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
Honda (American Honda Motor Co.) is recalling certain 2016-2018 Acura MDX, 2015-2019 Acura TLX and 2015-2017 Honda Accord vehicles, equipped with a 3.5L V6 engine. Particulates in fuel may adhere to the internal components of the fuel pump, reducing its performance.
EXTERIOR LIGHTING
Honda (American Honda Motor Co.) is recalling certain 2014-2019 Acura MDX and 2017-2019 Acura MDX Sport Hybrid vehicles. Moisture may enter the tailgate lid lights, possibly causing a loss of the tailgate lid lights and the taillights.
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
Honda (American Honda Motor Co.) is recalling certain 2018-2019 Acura MDX and Honda Pilot vehicles and 2019 Acura RLX, RLX Sport Hybrid, TLX and Honda Odyssey and Ridgeline vehicles. The timing belt teeth may separate from the belt.
+ 5 more recalls in the full report
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
2018 Acura MDX NHTSA Safety Ratings
Overall
★★★★★5 of 5 stars
Frontal crash
★★★★★5 of 5 stars
Side crash
★★★★★5 of 5 stars
Rollover
★★★★★4 of 5 stars
From NHTSA's New Car Assessment Program (5-Star Safety Ratings). Where NHTSA tested more than one version of this vehicle, the lowest rating is shown.
NHTSA Defect Investigations (3)
2 investigations still open: NHTSA is examining whether a defect warrants a recall.
No Restart After Auto Start/Stop Engages
ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR
Engine failure
ENGINE
Engine failure
ENGINE
The worst model year for the Acura MDX is the 2016 — worth knowing if you're cross-shopping years. The biggest problem area is transmission.
2018 Acura MDX vs. Class Average (Small Sport Utility Vehicle 2WD)
This vehicle
295
Class avg
443
Below the class average — fewer complaints than typical small sport utility vehicle 2wd vehicles. A good sign.
Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 295 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 10 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Last updated (checked October 21, 2026). NHTSA complaints received through October 19, 2026; safety ratings from NHTSA's 5-Star program.
Other Acura MDX Model Years
2018 Acura MDX: Frequently Asked Questions
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10 sections of AI analysis based on 295 owner reports. Know before you buy.