2015 Acura RLX reliability

Is it reliable?

NHTSA's file on the 2015 Acura RLX holds 11 complaints after 12 years, a rate of 0 per year. That is fewer complaints per year than most RLX years here — under the median of the other years, which is 0. NHTSA has 3 recalls on file, including Fuel pump, Crash-imminent braking, and Headlights.

2014 Acura RLX — Photo by Kevauto, resized from the original. Wikimedia Commons CC BY-SA 4.0

Complaints

Per year

Recalls

Years on the road

What owners report

The complaints owners file most often name Steering (7 of 11), then Suspension (2) and Electrical system (1).

Next to 2014 and 2016

The 2014 RLX has 84 complaints, 5 per year, and the 2016 has 6 complaints, 1 per year. The 2015 has fewer complaints per year than the 2014. The 2015 has fewer complaints per year than the 2016.

The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2015 Acura RLX. How we count. Data as of 2026-10-16.

Recalls (3)

Recall Fuel pump 2023-12-18 · NHTSA campaign 23V858000

Summary 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.

Remedy Dealers will replace the fuel pump module, free of charge. Owner letters were mailed September 6, 2024. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are KGC and KGD. This recall is an expansion of NHTSA recall numbers 21V-215 and 20V-314.

Recall forward collision avoidance, crash-imminent braking 2015-05-20 · NHTSA campaign 15V301000

Summary 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.

Remedy Honda will notify owners, and dealers will update the CMBS software, free of charge. The recall began on July 6, 2015. Owners may contact Acura customer service at 1-800-382-2238. Honda's numbers for this recall is JQ4, JQ5 and JQ6.

Recall exterior lighting, headlights 2014-12-16 · NHTSA campaign 14V792000

Summary 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."

Remedy Honda will notify owners, and dealers will replace both of the headlights, free of charge. The recall began February 2, 2015. Owners may contact Honda customer service at 1-310-783-2000. Honda's number for this recall is JN2.

Complaints by component (11 total)

Steering

Suspension

Electrical system

Electronic stability control (ESC)

Engine

Exterior lighting

Structure

Crash-flagged

Fire-flagged

Injury reports

Death reports

Complaints filed per year

Excerpts from recent NHTSA complaint filings

"The paint job on my car is fading on the hood, roof top and tail gate."
Structure · filed 2025-08-31
"Component: Headlight Light blew out probably due to the moisture in the headlight assembly The Exterior lighting on 2014-2015 Acura RLX has a recall NHTSA ID Number 10106777, 10108484 & 10115754 for film backing…"
Exterior lighting · filed 2025-06-04
"I have a 2015 Acura RLX equipped with precision all wheel steer(PAWS). According to Acura, PAWS allows the rear wheels to move independently of the front wheels for better control and handling. The system often…"
Steering · filed 2023-08-17
"When you are driving the steering wheel is jerked out of your hand causing the vehicle to change lanes. The problem happens intermintently. Date the issue started was around 7/15/2022 and has continued since. Our…"
Steering · filed 2022-08-20
"The contact owns a 2015 Acura RLX. The contact stated while switching lanes to the left, the vehicle started fishtailing. The vehicle was taken to the dealer however, the mechanic was unable to determine the cause of…"
Suspension · filed 2022-07-26

NHTSA crash ratings

Version	Overall	Front	Side	Rollover
2015 Acura RLX 4 DR FWD	5 stars	5 stars	5 stars	5 stars

Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.

Fuel economy

Trim	Engine	Transmission	Drive	City	Hwy	Combined	Annual fuel cost
RLX	3.5L, 6-cyl	Automatic (6-speed)	Front-wheel drive	20	30	23 MPG	$3450

Specs and fitment

1st generation (KC1/KC2), 2014–2020

Body styles Sedan

Oil 0W-20 , 4.5 qt capacity

Tire size 245/40R19

Known issues for this generation

Recall 13V-622 covers certain 2014 Acura RLX vehicles: bolts that attach the rear lower control arms to the subframe may have loosened during transport to dealerships. Loose rear lower control arm bolts may reduce steering ability and increase crash risk; dealers replace those bolts. Recall 23V-858 covers certain Acura RLX vehicles among many Honda and Acura models: the low-pressure fuel pump inside the fuel tank may fail, which can stall the engine while driving and increase crash risk. Dealers replace the fuel pump module. That campaign's published unit count is shared across the listed Honda and Acura nameplates.

Compare

Previous year 2014 Acura RLX Next year 2016 Acura RLX See every Acura RLX model year →

Frequently asked questions

Is the 2015 Acura RLX reliable?

What are common problems with a 2015 Acura RLX?

The complaints owners file most often name Steering (7 of 11), then Suspension (2) and Electrical system (1).

Is the 2015 Acura RLX more reliable than the years next to it?

The 2014 RLX has 84 complaints, 5 per year, and the 2016 has 6 complaints, 1 per year. The 2015 has fewer complaints per year than the 2014. The 2015 has fewer complaints per year than the 2016.

Has the 2015 Acura RLX been recalled?

The 2015 Acura RLX has 3 recalls on file with NHTSA. See the recalls table on this page for dates, components, and remedies.

How many complaints have owners filed about the 2015 Acura RLX?

Owners have filed 11 complaints about the 2015 Acura RLX with NHTSA.

What mpg does a 2015 Acura RLX get?

EPA-rated combined fuel economy for the 2015 Acura RLX is 23 MPG. See the fuel economy table on this page for city and highway figures by engine and transmission.

What oil does an Acura RLX use?

U.S. owner manuals specify 0W-20 with about 4.5 qt including filter on typical RLX powertrains.

What tire size is on the Acura RLX?

Common OE fitment is 245/40R19 on front and rear for many RLX sedans; verify on the door placard.

What NHTSA recalls mention the Acura RLX?

Recall 13V-622 covers certain 2014 RLX rear lower control arm bolts; recall 23V-858 covers certain RLX models for low-pressure fuel pump failure among shared Honda/Acura campaigns.