RLX (KC)
Engine Reliability Comparison
1UR-FE
4.6L 8-cyl / 301 hpView details
Complaint Breakdown
Known Issues
JNB1
3.5L 6-cyl / 310 hpView details
Complaint Breakdown
Known Issues
J35Y4
3.5L 6-cyl / 310 hpView details
Complaint Breakdown
Known Issues
Vehicle-Level Issues
These issues affect the Acura RLX regardless of engine variant.
Recalls (5)
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, Fit, and 2015-2020 Honda Accord Hybrid, Pilot, Acura NSX vehicles. The fuel pump inside the fuel tank may fail.
Honda (American Honda Motor Co.) is recalling certain model year 2014-2015 Acura MDX 2WD and AWD, RLX and 2014 Acura RLX Hybrid vehicles. In certain driving conditions, the Collision Mitigation Braking System (CMBS) may incorrectly interpret certain roadside objects such as metal fences or metal guardrails as obstacles and unexpectedly apply the brakes.
American Honda Motor Co. (Honda) is recalling certain model year 2014 Acura RLX vehicles manufactured November 22, 2012, to January 30, 2014, 2015 Acura RLX vehicles manufactured June 4, 2014, to November 18, 2014, and 2014 Acura RLX Hybrid vehicles manufactured November 5, 2013, to July 25, 2014. An aluminum film applied to the inner reflector of the headlight may experience adhesion issues causing the film to delaminate. Thus, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 108, "Lamps, reflective devices, and associated equipment."
American Honda Motor Company (Honda) is recalling certain model year 2014-2015 Acura MDX vehicles manufactured April 23, 2013, to August 25, 2014, and 2014 Acura RLX vehicles manufactured November 5, 2012, to November 25, 2013. In the affected vehicles, the driver and front passenger seat belt may not extend or retract in low temperatures.
American Honda Motor Company (Honda) is recalling certain model year 2014 Acura RLX vehicles manufactured August 7, 2012, through November 5, 2013. The bolts that attach the rear lower control arms to the sub-frame of the vehicle may have loosened during transport to dealerships.
Alternatives in Midsize Sedan
Frequently Asked Questions
What are the most common 2014-2020 Acura RLX problems?
The 2014-2020 Acura RLX has accumulated 107 NHTSA complaints. The most frequently reported problem areas are Steering, Electrical System, Suspension. As with any used vehicle, a pre-purchase inspection and vehicle history report are recommended.
Which Acura RLX engine is most reliable?
The 2014-2020 Acura RLX was offered with 3 engine options. Based on NHTSA complaint data, the 3.474057568L 6-cyl has the lowest complaint density and is considered the most reliable choice for buyers.
Is the 2014-2020 Acura RLX a good used car?
The 2014-2020 Acura RLX can be a solid used car purchase depending on trim, mileage, and maintenance history. With 107 total NHTSA complaints on record, prospective buyers should review the known problem areas and check for open recalls before buying.
How many NHTSA complaints does the 2014-2020 Acura RLX have?
The 2014-2020 Acura RLX has 107 complaints filed with NHTSA as of our latest data pull. Complaint counts reflect owner-reported issues and do not necessarily indicate defects or safety risks on their own.
What recalls affect the 2014-2020 Acura RLX?
There are 5 NHTSA recalls affecting some 2014-2020 Acura RLX vehicles. Recall status varies by VIN — check the NHTSA recall database at recalls.nhtsa.dot.gov with your specific VIN to confirm which campaigns apply.
What should I check before buying a used Acura RLX?
Before buying a used Acura RLX, verify all open recalls are completed via the NHTSA VIN lookup tool. Pay particular attention to Steering, Electrical System, Suspension, which are the most commonly reported problem areas. Request maintenance records, have an independent mechanic inspect the vehicle, and run a vehicle history report to check for prior accidents or title issues.
Data from NHTSA federal complaints database. 107 complaints analyzed. Data confidence: high. Last updated: 2026-04-06.