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2015 Acura

RLX

Auto (S6), 6 cyl, 3.5 L

Acura RLX: best and worst years
2015 Acura RLX

Closest available photo (2017 model year); you're viewing the 2015.

2017 photoMr.choppersCC BY-SA 3.0Wikimedia Commons

Overview

Body
Midsize CarsEPA, from EPA, last updated 6/11/2026
Drivetrain
Front-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission
Automatic (S6)EPA, from EPA, last updated 6/11/2026
Powertrain
GasEPA, from EPA, last updated 6/11/2026
Fuel
PremiumEPA, from EPA, last updated 6/11/2026

Engine & performance

Cyl
6EPA, from EPA, last updated 6/11/2026
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/11/2026
Start-stop system
NoEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy
30 mpgEPA, from EPA, last updated 6/11/2026
MPG City
20 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb
23 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr
$3,350EPA, from EPA, last updated 6/11/2026
CO₂
381 g/miEPA, from EPA, last updated 6/11/2026
Eco Score
6/10EPA, from EPA, last updated 6/11/2026
Smog score
5/10
Elec. Range
0 miEPA, from EPA, last updated 6/11/2026
SmartWay certified
No

Dimensions & capacity

Length
196 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Width
75 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Height
57 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Wheelbase
112 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Curb Weight
3,942 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Pass. Vol
102 ft³EPA, from EPA, last updated 6/11/2026
Cargo Vol
15 ft³EPA, from EPA, last updated 6/11/2026

Safety NHTSA, model year

Overall crash rating
★★★★★
Rollover rating
★★★★★
Stability control (ESC)
Standard
Forward-collision warning
Standard
Lane-departure warning
Standard
Recalls
3
Owner complaints
11

Reported problems NHTSA owner complaints, model year

  • STEERING50%
  • SUSPENSION14%
  • ELECTRICAL SYSTEM7%
  • ELECTRONIC STABILITY CONTROL (ESC)7%
  • ENGINE7%
  • EXTERIOR LIGHTING7%

Source: NHTSA owner complaints, 14 total.

Acura RLX: best and worst years

Federal investigations 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

106 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, 2023STEERINGONL6R507142023

    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.

  • 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.

  • Jan 26, 2021WHEELSB15090E

    ServiceNews Article - Do you have a slow tire leak, but there are no signs of sidewall damage or anything stuck in the tread? While you're checking for leaks, check the valve stem; it could have oxidation buildup from road salt. This buildup can cause a poor seal, resulting in a slow leak.

  • Sep 18, 2020ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYSB14-025

    Service Bulletin - The timing belt area chirps after the engine warms up.

  • and 98 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

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.