Menu

2018 Acura RLXProblems, recalls & complaints

NHTSA has logged 6 owner complaints about the 2018 Acura RLX, most often about the electrical system. It is covered by 1 safety recall, and for recall 23V-858 the manufacturer reports only 75% of affected cars repaired.

2018 Acura RLX
–
CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls1Lowest repair rate 75%Owner complaints60 with a crash, fire or injuryTypical failure mileage81kElectrical system, median miles

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through June 2, 2026. Updated daily. Photo: Kevauto, CC BY-SA 4.0.

Complaints by system

Where the 2018 Acura RLX has problems

6 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Electrical system20
Engine20
Engine and engine cooling20
Fuel system, gasoline10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

1 recall

2018 Acura RLX recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

75%repaired · 2026 Q3

Delivery: fuel pump

Recall 23V-858 · Dec 18, 2023 · 2,490,460 vehicles · 1,866,761 repaired

Risk. Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Acura.

Best & worst years

2018 vs. every other RLX year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the RLX median. How we score

'14'15'16'17'18'19'20
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
NHTSA crash tests

2018 Acura RLX safety ratings

2018 Acura RLX 4 DR FWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.

★★★★★Overall rating
2018 Acura RLX frontal crash test, NHTSA
Frontal crash★★★★★
2018 Acura RLX side barrier test, NHTSA
Side barrier★★★★★
2018 Acura RLX side pole test, NHTSA
Side pole★★★★★
  • Rollover: 5 stars (9.7% risk)
  • Stability control: Standard
  • Forward collision warning: Standard
  • Lane departure warning: Standard
1 investigation

NHTSA defect investigations

Federal investigations that included the 2018 Acura RLX, and the recalls they led to.

  1. Electrical overstressEA19001 · closed Sep 19, 2024
    Led to recall 20V-024
In owners' words

What RLX owners report

Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.

The contact owns a 2018 Acura RLX. The contact stated while driving her vehicle at an undisclosed speed, stated that the vehicle would not start up, and noticed every single waring light illuminated up on her dash. The vehicle was taken to a dealer twice, first time it was diagnosed to have a crank…
Complaint 11738529 · May 18, 2026 · 51,000 miles
The contact owns a 2018 Acura RLX. The contact stated that while attempting to start the vehicle, the headlight failure message was displayed. A dealer was contacted. The vehicle was taken to the dealer, where it was diagnosed that the A/C compressor needed to be replaced. The vehicle was not…
Complaint 11722582 · Mar 6, 2026 · 110,785 miles

Own a 2018 RLX?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.