2018 Acura RLX Owner Complaints
Complaint Summary
The 2018 Acura RLX has 3 reported complaints.
- Top issues involve engine and fuel system, gasoline.
Reliability Score
Reliability Score
Based on 3 complaints
Most Frequent Issues
ENGINE
1 33.3%
FUEL SYSTEM, GASOLINE
1 33.3%
ENGINE AND ENGINE COOLING
1 33.3%
Quick Insights
The top category is ENGINE, accounting for 33.3% of all complaints.
Owners have reported issues across 3 distinct vehicle systems.
Note: Complaint data reflects owner reports and may not always indicate a verified defect. Compare with Recalls and TSBs for a complete picture.
Subscribe to Recall Alerts
Get notified when a new recall or important ownership update lands for the 2018 Acura RLX.
Free alerts based on U.S. recall data. Unsubscribe anytime.
What owners keep reporting on the 2018 Acura RLX
The 2018 Acura RLX has 3 owner complaints in this dataset. ENGINE is the most common complaint category, representing about 33% of the reports shown here.
Most common complaint categories
The top complaint groups for the 2018 Acura RLX are ENGINE (1), FUEL SYSTEM, GASOLINE (1), ENGINE AND ENGINE COOLING (1).
Are these complaints a serious red flag?
Potentially. 3 complaint reports involve higher-attention systems like brakes, steering, engine, powertrain, fuel, suspension, airbags, or electrical components, which is enough to justify a focused inspection.
What should buyers inspect on a used 2018 Acura RLX?
Start with the top complaint systems, compare them against the recall report, then inspect service records for evidence that those same areas were already repaired or monitored.
Detailed Complaint Log
Showing 3 of 3 systems
ENGINE
1 Report33% of totalPreviewing the first 1 complaint summaries.
My vehicle has the same 3.5 liter naturally aspirated V6 that comes in the Acrua MDX which is currently on recall for connecting rod bearings on vehicles with 3.5-liter V6 engines can fail, leading to complete engine failure. my car has the excact same engin with the exact same problem. i have the full diagnosis and estimate from Acura ENGINE REPLACEMENT
11/12/2024
FUEL SYSTEM, GASOLINE
1 Report33% of totalPreviewing the first 1 complaint summaries.
The contact owns a 2018 Acura RLX. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.
12/3/2024
ENGINE AND ENGINE COOLING
1 Report33% of totalPreviewing the first 1 complaint summaries.
The contact owns a 2018 Acura RLX. The contact stated while driving 30 MPH, the oil change and tire rotation messages were displayed. The contact stated that a dealer was contacted. The contact stated that an oil change and tire rotation were performed, and the contact was informed that the engine was knocking. The contact received a call notification from the dealer two days after the vehicle was repaired regarding the connecting rod bearing. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The contact stated that the VIN was not included in NHTSA Campaign Number: 23V751000 (ENGINE AND ENGINE COOLING). The manufacturer was notified of the failure and stated that the issue would be escalated to a higher department. The failure mileage was 92,000.
2/12/2025
Data and Methodology
Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.
What are the most common owner complaints for the 2018 Acura RLX?
Are complaints about the 2018 Acura RLX a serious warning sign?
How should buyers use complaint data for the 2018 Acura RLX?
Are complaints about the 2018 Acura RLX severe?
Complaint list entries are sourced from owner-submitted NHTSA ODI records.
Acura RLX: How should complaint data influence buying decisions?
Carfocal links complaint data directly to recall and maintenance routes for the same model year.
- Complaint entries
- 3
- Top-topic view
- 3 grouped topics shown
- Primary source
- NHTSA ODI owner complaint records
We may earn a commission via links on this page.