2018 Acura RLX
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2018 Acura RLX is worth — from official NHTSA and EPA data. 9 on record.
2018 Acura RLX at a glance
Included: that car's specs and build sheet, model-year recall campaigns and a fair price.
2018 Acura RLX recalls 1
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.
Fix: 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.
Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.
2018 Acura RLX common problems
The most-reported problem areas across all 6 owner complaints filed with NHTSA — and what to check before you buy.
2018 Acura RLX safety ratings
Rollover risk: 9.7% — NHTSA's estimated chance of rollover in a single-vehicle crash (dynamic test: no tip).
Source: NHTSA 5-Star Safety Ratings (NCAP), tested as the 2018 Acura RLX 4 DR FWD. Ratings can differ by body style and drivetrain.
2018 Acura RLX MPG & running costs
Source: U.S. EPA / DOE fueleconomy.gov.
Estimated 5-year cost to own
A rough guide to what running a 2018 Acura RLX costs over five years and 75,000 miles.
How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.
Dimensions & weight
Manufacturer-reported figures for the 2018 Acura RLX. Source: Transport Canada vehicle specifications via NHTSA.
Investigations & service bulletins
NHTSA defect investigations 1
Electrical overstress Closed
The Office of Defects Investigation (ODI) opened this investigation to determine if the failure of airbags to deploy during severe crashes, in certain vehicles, was the result of a safety related defect. During the investigation a complex failure was studied that can result in non-deployment of subject vehicle air bags and other restraint system devices in severe crash events. The subject vehicles may be equipped wi…
NHTSA #EA19001 · Air Bags · opened Apr 2019 · closed Sep 2024An investigation means NHTSA is examining a possible defect — it is not a recall, and many close without one.
Manufacturer service bulletins 21
Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 21.
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 diag…
Bulletin ONL6R508212023 · Steering, Equipment · Aug 2023Owner 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.
Bulletin ONL6R507142023 · Steering, Electrical System, Structure · Jul 2023Dealer 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/o…
Bulletin BBOM06092023901 · Steering · Jun 2023Service 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…
Bulletin B23-022 · Steering · Jun 2023American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RLXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean),…
Bulletin BTI&05102022901 · Fuel System, Gasoline, Engine And Engine Cooling · May 2022Service Bulletin - The timing belt area chirps after the engine warms up.
Bulletin B14-025 · Engine And Engine Cooling · Sep 2020Service Bulletin - The timing belt area makes a chirping noise after the engine warms up.
Bulletin B14-025 · Engine And Engine Cooling · Aug 2020Service Bulletin - The blower motor makes excessive noise, runs slowly, or intermittently stops working.
Bulletin B20-020 · Visibility · Jun 2020Service Bulletin - There is a high-pitched sound from the speakers while on a Bluetooth HandsFreeLink (HFL) call.
Bulletin B20-009 · Electrical System · Feb 2020Service Bulletin - There is a high-pitched sound from the speakers while on a Bluetooth HandsFreeLink (HFL) call.
Bulletin B20-009 · Electrical System · Feb 2020Source: NHTSA Office of Defects Investigation, listed for the RLX FWD. Model-year data, not specific to one car.
Canadian recalls 2
Transport Canada recall campaigns for the 2018 Acura RLX. Relevant if the car was first sold in, or imported from, Canada.
Fuel System
Issue: This recall is for low-pressure fuel pumps installed on certain vehicles or sold at dealerships as a replacement part. On certain vehicles, the low-pressure fuel pump could fail. If this happens, the engine may run rough or may not start and the check engine light may turn on. This could also result in a sudden loss of engine power while driving. Note: This recall replac…
Transport Canada #2024262 · May 2024Fuel System
This recall was replaced by Transport Canada recall no. 2024-262. Issue: This recall is for low-pressure fuel pumps installed on certain vehicles or sold at dealerships as a replacement part. On certain vehicles, the low-pressure fuel pump could fail. If this happens, the engine may run rough or may not start and the check engine light may turn on. This could also result in a s…
Transport Canada #2023679 · Dec 2023Source: Transport Canada Motor Vehicle Safety Recalls Database.
About the Acura RLX
The Acura RLX is a mid-size luxury car manufactured by Honda and produced under their Acura division since March 2013 for the 2014 model year, replacing the RL. The RLX was discontinued in 2020 after the 2020 model year.
From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.