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2014 Acura

RLX

Auto (S6), 6 cyl, 3.5 L

Acura RLX: best and worst years
2014 Acura RLX (photo 1 of 2)
2014 photoMr.choppersCC BY-SA 3.0via Wikimedia Commons

Overview

Drivetrain
Front-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission
Automatic (S6)EPA, from EPA, last updated 6/22/2026

Engine & performance

HP
310
Power to weight
0.079 hp/lb
Axle ratio
4.25
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/22/2026

Efficiency

Smog score
5/10
Real-world MPG
26.4 mpg, reported by 1 driverabout 3.4 mpg above the EPA combined estimate
SmartWay certified
No

Dimensions & capacity

GVWR class
Class 1C (4,001 to 5,000 lb)NHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026

Safety NHTSA record NHTSA, model year

Stability control (ESC)
Standard
Forward-collision warning
Standard
Lane-departure warning
Standard
Recalls
5
Owner complaints
85 See on NHTSA
Theft rate
0.6 per 1,000 produced (CY 2014 federal data)

Reported problems NHTSA record NHTSA owner complaints, model year

  • STEERING36%
  • SUSPENSION12%
  • ELECTRONIC STABILITY CONTROL (ESC)9%
  • ELECTRICAL SYSTEM8%
  • ENGINE5%
  • FORWARD COLLISION AVOIDANCE4%

Source: NHTSA owner complaints, 137 total.

Acura RLX: best and worst years

Federal investigations NHTSA record NHTSA defect investigations, model year

  • DP22005opened Jan 27, 2023ELECTRICAL SYSTEM:PROPULSION SYSTEM

    Pedestrian alert sounds

  • EA21002Openopened Sep 17, 2021AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

    Desiccated Air Bag Inflator Rupture

  • EA19001opened Apr 19, 2019AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE

    Electrical overstress

Known issues manufacturer service bulletins, model year

127 service bulletins filed with NHTSA for this model year

  • Sep 4, 2024ENGINEB16-008

    Service Bulletin - Drivers may experience a chirping sound coming from the engine area with the engine warmed up due to the high pressure fuel pump is making a chirp.

  • Aug 21, 2023STEERINGONL6R508212023

    Warranty Extension - Under certain circumstances, abnormal noise may be heard from the rear when driving straight or making small side-to-side turning movements with the steering wheel. The P-AWS indicator or warning light may also illuminate with certain diagnostic trouble codes.

  • Jul 14, 2023ELECTRICAL SYSTEMONL6R507142023

    Owner Notification Letter - Under certain circumstances, abnormal noise may be heard from the rear when driving straight or making small side-to-side turning movements with the steering wheel. The MIL may also illuminate with certain DTC codes.

  • Jul 14, 2023ELECTRICAL SYSTEMONL6A607142023

    Owner Notification Letter - Under certain circumstances, abnormal noise may be heard from the rear when driving straight or making small side-to-side turning movements with the steering wheel. The MIL may also illuminate with certain related DTC codes.

  • Jun 11, 2023STEERINGB23-021

    Service Bulletin - Due to manufacturing errors, abnormal noise may be heard from the rear when driving straight or making small side-toside turning movements with the steering wheel. The MIL may also illuminate with DTC C1600-94 (PAWS unexpected behavior) and/or C1611-13/C1621-13 (PAWS actuator disconnection L&R).

  • Jun 9, 2023STEERINGBBOM06092023901

    Dealer Message - Due to manufacturing errors, abnormal noise may be heard from the rear when driving straight or making small side-to-side turning movements with the steering wheel. The MIL may also illuminate with DTC C1600-94 (PAWS unexpected behavior) and/or C1611-13/C1621-13 (PAWS actuator disconnection L&R).

  • Jun 9, 2023STEERINGB23-022

    Service Bulletin - Due to manufacturing errors, abnormal noise may be heard from the rear when driving straight or making small side-toside turning movements with the steering wheel. The MIL may also illuminate with DTC C1600-94 (PAWS unexpected behavior) and/or C1611-13/C1621-13 (PAWS actuator disconnection L&R).

  • Aug 25, 2022ELECTRICAL SYSTEMONLA8E20220830

    Owner notification - Our records indicate that a Emissions Recall has not been completed on this vehicle. When the powertrain control module (PCM) detects a malfunction in one of the odd number transmission gears, it will set one of four diagnostic trouble codes (DTCs). Due to inappropriate calibration of the PCM, the On Board Diagnostic (OBD) system cannot properly clear the transmission permanent DTC as required.

  • and 119 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic
4 yr / 50k mi
Powertrain
6 yr / 70k mi
Roadside assistance
4 yr / 50k mi
EV battery
8 yr / 100k mi

Source: www.cars.com as of 2026-06

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.