Total Complaints
3 filings
ACURA RLX · model year
2018 ACURA RLX
3 NHTSA complaints, and 1 recall campaign listed for this cohort. A VIN lookup is required to determine whether a specific vehicle has an unrepaired recall.
NHTSA overall rating
5 / 5 ★
New Car Assessment Program
The 2018ACURARLX carries 3 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. For crash performance, NHTSA's New Car Assessment Program gave this cohort an overall 5/5 rating, with 5/5 front crash, 5/5 side crash, and 5/5 rollover scores derived from standardized barrier and dynamic tests.
The most frequently selected component label in reports for the 2018 RLX is engine with 1 filings, followed by fuel system, gasoline (1) and engine and engine cooling (1). Complaint categories reflect owner reports and intake categorization; they do not establish a defect pattern or cause. This cohort has 1 NHTSA recall campaign listed below. Enter a VIN in NHTSA's official recall lookup to determine whether a specific vehicle has an unrepaired recall.
NHTSA currently has 2 investigation files overlapping the 2018 RLX. Owners comparing this cohort against neighboring years should read the complaint-by-year trend as report volume, not a causal diagnosis. Use the related-complaint feed and the official recall lookup when researching a specific vehicle.
3
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
- Front Crash 5.0 ★
- Side Crash 5.0 ★
- Rollover 5.0 ★
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
NHTSA NCAP overall: 5/5 - Top NCAP rating
· Front: 5/5
· Side: 5/5
· Rollover: 5/5
Complaints by Component
| Component | Count |
|---|---|
| ENGINE | 1 |
| FUEL SYSTEM, GASOLINE | 1 |
| ENGINE AND ENGINE COOLING | 1 |
Recalls (1)
23V85800018/12/2023
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
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, F
Recent Complaints
20250212ENGINE AND ENGINE COOLING
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.
Mileage: 92,000
20241203FUEL SYSTEM, GASOLINE
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.
20241112ENGINE
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
Compare 2018ACURARLX to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 2018 ACURA RLX have?▼
The 2018 ACURA RLX has 3 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What is the safety rating for the 2018 ACURA RLX?▼
The 2018 ACURA RLX received an overall NHTSA safety rating of 5/5, front crash rating of 5/5, side crash rating of 5/5, and rollover rating of 5/5.
Are there any recalls for the 2018 ACURA RLX?▼
Yes, the 2018 ACURA RLX has 1 recall(s). The most common affected component is FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. Recalls are issued by NHTSA and manufacturers must provide a free remedy.
What are the most common problems with the 2018 ACURA RLX?▼
The most-complained component for the 2018 ACURA RLX is ENGINE with 1 complaints. Other frequently reported areas include FUEL SYSTEM, GASOLINE and ENGINE AND ENGINE COOLING.
Is the 2018 ACURA RLX safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. The 2018 ACURA RLX has an NHTSA safety rating of 5/5. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data vintage: August 2026. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Every figure on PlainCars is rendered directly from NHTSA complaint and safety data, no number is typed in by an editor. This year-specific record is rendered from NHTSA ODI, recall, and NCAP rows for the 2018 ACURA RLX; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.
Read our methodology - how this data is sourced, computed, and verified.