2018 Acura Ilx problems & reliability
23 owner complaints filed with NHTSA for the 2018 Acura Ilx, alongside 4 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
Federal crash records (FARS 2020–2023): 2018 Acura Ilx vehicles were involved in 7 fatal crashes with 3 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Fuel/propulsion System → | 12 | 52% |
| Fuel System, Gasoline | 7 | 30% |
| Electrical System | 2 | 9% |
| Engine | 2 | 9% |
| Service Brakes, Hydraulic | 2 | 9% |
| Seat Belts | 1 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“The contact owns a 2018 Acura ILX. The contact received notification of NHTSA Campaign Number: 25V859000 (Service Brakes, Hydraulic) however, the part to do the recall repair was not yet available. The local dealer was contacted and confirmed that the remedy was not yet available. The contact stated while driving at…”
Service Brakes, Hydraulic · filed Jun 2, 2026
“The contact owns a 2018 Acura ILX. The contact received notification of NHTSA Campaign Number: 25V859000 (Service Brakes, Hydraulic); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for…”
Service Brakes, Hydraulic · filed Feb 20, 2026
“Car stopped working, engine replaced than broke down again told it was better but than it was exhaust. Every light was on in the car”
Engine · filed Feb 5, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
65 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2018 Acura Ilx. The 10 most recent:
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs & 2022 MDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump…
BTI&01222022901 · Service Bulletin/Repair Instructions · issued Jan 22, 2022
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs & 2022 MDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump…
BTI&01032022907 · Service Bulletin/Repair Instructions · issued Jan 3, 2022
Service Bulletin - This warranty extension applies only to 2016-18 ILX vehicles painted B-612P (2016 models: Bright Kinetic Blue Pearl) or (2017-18 models: Catalina Blue Pearl).
B20-047 · Service Bulletin/Repair Instructions · issued Dec 23, 2021
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs & 2022 MDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump…
BTI&12142021 · Service Bulletin/Repair Instructions · issued Dec 14, 2021
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs & 2022 MDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump…
BTI&11292021906 · Service Bulletin/Repair Instructions · issued Nov 29, 2021
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs & 2022 MDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump…
BTI&10252021 · Service Bulletin/Repair Instructions · issued Oct 25, 2021
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs, 2022 MDXs & 2017-2018 RDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk…
BTI&10132021903 · Service Bulletin/Repair Instructions · issued Oct 13, 2021
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs, 2022 MDXs & 2017-2018 RDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk…
BPaS10052021 · Service Bulletin/Repair Instructions · issued Oct 5, 2021
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs, 2022 MDXs & 2017-2018 RDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk…
BPaS09072021901 · Service Bulletin/Repair Instructions · issued Sep 7, 2021
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs, 2022 MDXs & 2017-2018 RDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk…
BPaS08192021901 · Service Bulletin/Repair Instructions · issued Aug 19, 2021
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2018 Acura Ilx has 4 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2018 Acura Ilx?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.