2018 Acura ILX: recalls, fuel economy and safety ratings
EPA rates the 2018 Acura ILX at 29 mpg combined across 1 version. NHTSA lists 4 safety recalls and 23 owner complaints for this model year. Its best NHTSA overall crash-test rating is 5 out of 5 stars.
Safety recalls
4
EPA combined mpg
29
NHTSA overall rating
5/5
Recall file dated Oct 27, 2026 · EPA file dated Sep 29, 2026 · updated Oct 27, 2026, 7:34 AM EDT
Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a Acura dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.
2018 Acura ILX recalls
NHTSA's recall file lists 4 safety recalls for the 2018 Acura ILX, newest first.
Service brakes, hydraulic: Foundation components: Master cylinder
NHTSA 25V859000Reported Dec 11, 2025
Filed by
Honda (American Honda Motor Co.) (manufacturer recall no. RN5)
Units affected
70,658 (estimate)
Problem
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.
Honda (American Honda Motor Co.) (manufacturer recall no. KGC, KGD)
Units affected
2,490,460 (estimate)
Problem
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.
Honda (American Honda Motor Co.) (manufacturer recall no. G54)
Units affected
49,898 (estimate)
Problem
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.
Honda (American Honda Motor Co.) (manufacturer recall no. H3U, Z3T)
Units affected
4,455 (estimate)
Problem
Acura (American Honda Motor Co.) is recalling certain 2014-2019 Acura ILX vehicles. The vehicles may have a deformed fuel tank, raising the height of the fuel pump and allowing the fuel level float to stick, possibly causing the fuel gauge to display an inaccurate fuel level.
Risk
If the fuel gauge displays that the vehicle has more gas than it actually does, the vehicle may run out of gas and stall, increasing the risk of a crash.
Remedy
Acura will notify owners, and dealers will inspect and, as necessary, replace the fuel tank, free of charge. The recall began March 14, 2019. Owners may contact Acura customer service at 1-888-234-2138. Acura's number for this recall is H3U, Z3T.
Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.
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2018 Acura ILX fuel economy by version
EPA city/highway/combined estimates for each engine, transmission and drive combination. Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.
Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.
EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.
2018 Acura ILX crash-test ratings
NHTSA 5-Star Safety Ratings for the tested versions. More stars mean a lower chance of serious injury in that type of crash. Rollover risk is NHTSA's estimated chance of rolling over in a single-vehicle crash.
2018 Acura ILX NHTSA 5-Star Safety Ratings
Tested vehicle
Overall
Frontal
Side
Rollover
Rollover risk
Forward collision warning
2018 Acura ILX 4 DR FWD
5 stars
4 stars
5 stars
4 stars
10.7%
Optional
Source: NHTSA 5-Star Safety Ratings (New Car Assessment Program), checked Oct 26, 2026.
Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.
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2018 Acura ILX owner complaints
Owners have filed 23 complaints with NHTSA about the 2018 Acura ILX, most recently on Jun 2, 2026. 2 mention a crash, 0 a fire, 0 injured people and 0 deaths. These are unverified reports; a complaint is not proof of a defect.
Most-cited components in 2018 Acura ILX complaints
Component named in complaints
Mentions
Fuel/propulsion system
12
Fuel system, gasoline
7
Electrical system
2
Engine
2
Service brakes, hydraulic
2
Seat belts: Front: Retractor
1
Source: NHTSA consumer complaint files (complaints received since January 1, 2015). One complaint can name several components.
