YearToAvoid

2018 Acura ILX Problems, Recalls & Reliability

Verdict

Good

Complaint Index

33/100

#7 most-complained of 10 ILX years

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

The 2018 Acura ILX has 23 owner complaints and 4 safety recalls on file with NHTSA. Its Complaint Index is 33 out of 100 — #7 highest of 10 ILX model years (verdict: Good). The most reported problem area is fuel system (19 complaints, 83% of the total). Complaints report 2 crashes.

Complaints
23
Recalls
4
Crashes / fires
2 / 0
Injuries / deaths
0 / 0
NHTSA overall rating
5 / 5 ★
EPA combined MPG
29
25 city / 35 hwy

Top 2018 Acura ILX problems

NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.

  1. Fuel System19 (83%)
  2. Brakes2 (9%)
  3. Electrical System2 (9%)
  4. Engine2 (9%)
  5. Seat Belts1 (4%)
2018 Acura ILX complaints: complaints filed per month4Nov 2018Sep 2021Dec 2022May 2024Dec 2024Mar 2025Jan 2026Jun 2026
26 complaints filed with NHTSA from Nov 2018 to Jun 2026; peak Nov 2018 (4).

2018 Acura ILX recalls

4 NHTSA recall campaigns list this model year.

  1. NHTSA 25V859000Dec 11, 2025Brakes70,658 vehicles

    Service brakes, hydraulic:foundation components:master cylinder

    Honda (American Honda Motor Co.) is recalling certain 2016-2020 Acura ILX vehicles. Contaminated brake fluid may cause a seal inside the brake master cylinder to deform, which can cause an internal brake fluid leak and reduce brake function.

    Risk: Reduced brake function can extend the distance required to stop, increasing the risk of a crash or injury.

    Remedy: Dealers will replace the brake master cylinder, free of charge. Owner letters were mailed May 4, 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's number for this recall is RN5. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning December 17, 2025. The information in your report suggests that Honda (American Honda Motor Co.) may have been aware of this issue more than five business days before filing a report with NHTSA. Please be reminded that under Federal law, this agency is to be notified of all safety defect and/or noncompliance decisions within five business days. 49 CFR 573.6 Significant civil penalties can be assessed for this violation.

  2. NHTSA 23V858000Dec 18, 2023Fuel System2,490,460 vehicles

    Fuel system, gasoline:delivery:fuel pump

    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.

    Risk: Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.

    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.

  3. NHTSA 19V424000Jun 6, 2019Transmission & Powertrain49,898 vehicles

    Power train:driveline:driveshaft

    Acura (American Honda Motor Co.) is recalling certain 2016-2019 Acura ILX vehicles. Excessive grease may prevent the set-ring on the half shaft from fully engaging, allowing the driveshaft to separate from the half shaft.

    Risk: A separated driveshaft can cause the vehicle to have a loss of drive or allow the vehicle to move even while in Park, increasing the risk of a crash or injury.

    Remedy: Acura will notify owners, and dealers will inspect, and, as necessary, replace the driveshaft and half shaft, free of charge. The recall began August 1, 2019. Owners may contact Acura customer service at 1-888-234-2138. Acura's number for this recall is G54.

See all 4 recalls for the 2018 Acura ILX →

2018 Acura ILX fuel economy and fuel cost

City
25 MPG
Highway
35 MPG
Combined
29 MPG
Annual fuel cost (EPA)
$2,750
15,000 mi/yr
Fuel
Premium
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2018 compared with other ILX years

Complaint Index by model year (0 = fewest issues, 100 = most)02550751002013201420152016201720182019202020212022
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2016Avoid10052629
2017Good4420429
2018Good3323429
2019Avoid7836528
2020Best1110228

All Acura ILX years: best and worst →

Frequently asked questions

Is the 2018 Acura ILX a reliable year?
Judged by NHTSA owner complaints and recalls, the 2018 Acura ILX ranks #7 of 10 among ILX model years (Complaint Index 33/100, verdict: Good). It has 23 complaints and 4 recalls on file. This reflects reported safety-related problems, not an overall reliability rating.
What are the most common problems with the 2018 Acura ILX?
The most reported problem areas are fuel system (19 complaints), brakes (2 complaints), and electrical system (2 complaints). The median mileage at the time of failure in complaints that report it is 375 miles.
Does the 2018 Acura ILX have any recalls?
Yes — NHTSA lists 4 recall campaigns for the 2018 Acura ILX, most recently reported 2025, covering brakes, fuel system, and transmission & powertrain.
What is the fuel economy of the 2018 Acura ILX?
EPA rates the 2018 Acura ILX at 29 MPG combined (25 city / 35 highway), with an estimated annual fuel cost of $2,750. Where several configurations exist, the median is shown.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.