AutoUtility currently tracks 330 official NHTSA owner defect complaints for the 2018 Hyundai Elantra. Engine & Cooling issues are the most frequently reported category, appearing in 161 complaints (48.8% of submitted records). Among these NHTSA complaint records, 12 filings cite a crash, 8 cite a fire, 7 report one or more injuries, 1 reports one or more fatalities.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
161 owner complaints submitted to NHTSA ODI for this subsystem.
47 owner complaints submitted to NHTSA ODI for this subsystem.
29 owner complaints submitted to NHTSA ODI for this subsystem.
27 owner complaints submitted to NHTSA ODI for this subsystem.
Specific mechanical, electrical, and driver-assist defect symptoms identified via deterministic narrative analysis
19 complaint narratives describe this symptom.
8 complaint narratives describe this symptom.
8 complaint narratives describe this symptom.
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"After the car was started, I drove 3 houses over when there was a loud knocking sound and the car just shut off. When trying to restart it wouldn't and the check engine, battery, and oil lights came on. After pushing it out of the road we checked the oil and it was empty. The oil has just been..."
"On July 13, 2026, my engine light came on and I don't understand why. My oil change was update and not sure what else can be wrong. So, I went to AutoZone so that can do a diagnostic and they gave me a printout of the problem. Took the vehicle to the shop gave him the printout from AutoZone so that..."
"Since having our car, the check engine light came on several times with us being told we will need an engine replacement. Recently, our car stalled out several times while driving on different occasions leading us to look up the recalls."
"While the car is in drive, it would power off in the middle of driving. Took the car to repair and advised regarding the engine. My safety was at risk because I loss power to operation the car in the middle of traffic, which could have called an accident for myself and others. The problem have been..."
"On XXX, I dropped off my 2018 Hyundai Elantra (VIN: [XXX]) at Hyundai of Downtown Los Angeles for Service Campaign TXXW. The vehicle was in proper working order with no stalling or drivability concerns. The dealership retained it for 159 days before I retrieved it XXX It has now been in their..."
Reported defect complaint volume across sibling model years (2015–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Hyundai Elantra | 262 | 27 | 3 | View 2015 Problems → |
| 2016 Hyundai Elantra | 297 | 22 | 2 | View 2016 Problems → |
| 2017 Hyundai Elantra | 788 | 37 | 4 | View 2017 Problems → |
| 2018 Hyundai Elantra Current Page | 330 | 12 | 1 | Current |
| 2019 Hyundai Elantra | 250 | 12 | 1 | View 2019 Problems → |
| 2020 Hyundai Elantra | 253 | 20 | 3 | View 2020 Problems → |
| 2021 Hyundai Elantra | 158 | 8 | 7 | View 2021 Problems → |
| 2022 Hyundai Elantra | 154 | 8 | 8 | View 2022 Problems → |
| 2023 Hyundai Elantra | 164 | 16 | 4 | View 2023 Problems → |
| 2024 Hyundai Elantra | 58 | 5 | 2 | View 2024 Problems → |
| 2025 Hyundai Elantra | 33 | 3 | 2 | View 2025 Problems → |
| 2026 Hyundai Elantra | 0 | 0 | 2 | View 2026 Problems → |
Complete distribution of consumer defect reports across all 81 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| Engine NHTSA category: ENGINE | 102 | 1 | 4 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 31 | 1 | 0 | 2 | 1 |
| Structure & Body NHTSA category: STRUCTURE | 9 | 0 | 0 | 0 | 0 |
| Air Bags NHTSA category: AIR BAGS | 8 | 6 | 0 | 3 | 0 |
| EXTERIOR LIGHTING | 8 | 0 | 0 | 0 | 0 |
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 8 | 0 | 0 | 0 | 0 |
| Powertrain NHTSA category: POWER TRAIN | 8 | 0 | 1 | 1 | 0 |
| Steering NHTSA category: STEERING | 8 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,ENGINE | 8 | 1 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE | 7 | 0 | 0 | 0 | 0 |
| Wheels & Hubs NHTSA category: WHEELS | 7 | 0 | 0 | 0 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 6 | 0 | 0 | 0 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES | 6 | 1 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE | 5 | 0 | 1 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER | 5 | 1 | 0 | 0 | 0 |
| Engine & Cooling NHTSA category: ENGINE AND ENGINE COOLING | 4 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM | 4 | 0 | 0 | 0 | 0 |
| Tires NHTSA category: TIRES | 4 | 0 | 0 | 0 | 0 |
| Vehicle Speed Control NHTSA category: VEHICLE SPEED CONTROL | 4 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,EXTERIOR LIGHTING | 3 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,SERVICE BRAKES,ENGINE | 3 | 0 | 1 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER,ENGINE | 3 | 0 | 0 | 0 | 0 |
| Fuel System NHTSA category: FUEL SYSTEM, GASOLINE | 3 | 0 | 0 | 0 | 0 |
| STRUCTURE,UNKNOWN OR OTHER | 3 | 0 | 0 | 0 | 0 |
| Suspension NHTSA category: SUSPENSION | 3 | 0 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,ENGINE | 3 | 0 | 0 | 0 | 0 |
| AIR BAGS,ENGINE | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM | 2 | 1 | 0 | 1 | 0 |
| ELECTRICAL SYSTEM,EXTERIOR LIGHTING,ENGINE | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,STRUCTURE,ENGINE | 2 | 0 | 1 | 0 | 0 |
| ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,ENGINE | 2 | 0 | 0 | 0 | 0 |
| ENGINE,FUEL/PROPULSION SYSTEM | 2 | 0 | 0 | 0 | 0 |
| ENGINE,UNKNOWN OR OTHER | 2 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | 2 | 0 | 0 | 0 | 0 |
| POWER TRAIN,VEHICLE SPEED CONTROL,ENGINE | 2 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | 2 | 0 | 0 | 0 | 0 |
| Visibility / Glass NHTSA category: VISIBILITY | 2 | 0 | 0 | 0 | 0 |
| Visibility & Wipers NHTSA category: VISIBILITY/WIPER | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,AIR BAGS | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,EXTERIOR LIGHTING,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,EXTERIOR LIGHTING,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,SEAT BELTS | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,WHEELS | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,WHEELS,ENGINE | 1 | 0 | 0 | 0 | 0 |
| ENGINE,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| EXTERIOR LIGHTING,ENGINE | 1 | 0 | 0 | 0 | 0 |
| EXTERIOR LIGHTING,SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| EXTERIOR LIGHTING,SERVICE BRAKES,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| Forward Collision Avoidance NHTSA category: FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| FUEL SYSTEM, GASOLINE,POWER TRAIN,ENGINE | 1 | 0 | 0 | 0 | 0 |
| LANE DEPARTURE,BACK OVER PREVENTION,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| Doors, Latches & Locks NHTSA category: LATCHES/LOCKS/LINKAGES | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,EXTERIOR LIGHTING,ENGINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,VEHICLE SPEED CONTROL,WHEELS | 1 | 0 | 0 | 0 | 0 |
| Seat Belts NHTSA category: SEAT BELTS | 1 | 0 | 0 | 0 | 0 |
| SEAT BELTS,ENGINE,AIR BAGS | 1 | 0 | 0 | 0 | 0 |
| SEAT BELTS,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| Seats & Restraints NHTSA category: SEATS | 1 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES,FUEL/PROPULSION SYSTEM,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| STEERING,ELECTRICAL SYSTEM | 1 | 0 | 0 | 0 | 0 |
| STEERING,ELECTRICAL SYSTEM,ENGINE | 1 | 0 | 0 | 0 | 0 |
| STEERING,ENGINE | 1 | 0 | 0 | 0 | 0 |
| STEERING,SERVICE BRAKES,ENGINE | 1 | 0 | 0 | 0 | 0 |
| STEERING,SERVICE BRAKES,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| STEERING,SUSPENSION | 1 | 0 | 0 | 0 | 0 |
| STEERING,SUSPENSION,WHEELS | 1 | 0 | 0 | 0 | 0 |
| STEERING,VEHICLE SPEED CONTROL,ENGINE | 1 | 0 | 0 | 0 | 0 |
| STRUCTURE,ENGINE | 1 | 0 | 0 | 0 | 0 |
| SUSPENSION,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,ELECTRICAL SYSTEM | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,SERVICE BRAKES,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,SERVICE BRAKES,ENGINE | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2018 Hyundai Elantra
In official NHTSA consumer records, the most frequently cited issue area for the 2018 Hyundai Elantra is Engine & Cooling, appearing in 161 records (48.8% of submitted filings).
Secondary reported categories include Electrical System (47) and Powertrain & Transmission (29).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 330 consumer defect complaints and 1 safety recall campaign for the 2018 Hyundai Elantra.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Among consumer complaint records on file with NHTSA for the 2018 Hyundai Elantra, 12 filings cite a crash, 8 cite smoke or fire, and 7 report one or more injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.