AutoUtility currently tracks 100 official NHTSA owner defect complaints for the 2023 Hyundai Sonata. Fuel & Propulsion System issues are the most frequently reported category, appearing in 47 complaints (47% of submitted records). Among these NHTSA complaint records, 8 filings cite a crash, 1 reports one or more injuries.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
47 owner complaints submitted to NHTSA ODI for this subsystem.
22 owner complaints submitted to NHTSA ODI for this subsystem.
19 owner complaints submitted to NHTSA ODI for this subsystem.
16 owner complaints submitted to NHTSA ODI for this subsystem.
Specific mechanical, electrical, and driver-assist defect symptoms identified via deterministic narrative analysis
16 complaint narratives describe this symptom.
3 complaint narratives describe this symptom.
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"I own a 2023 Hyundai Sonata SEL. Over approximately three years, the vehicle experienced four separate incidents involving sudden loss of engine power and recurring fuel injector/powertrain problems. Three of these incidents occurred while the vehicle was being driven on interstate highways,..."
"The contact owns a 2023 Hyundai Sonata. The contact stated that while driving approximately 15-40 MPH, the vehicle was sputtering and shaking abnormally. The failure was a recurring failure. The contact associated the failure with NHTSA Campaign Number: 25V796000 (Fuel System, Gasoline); but the..."
"The contact owns a 2023 Hyundai Sonata. The contact stated that while driving at an undisclosed speed, the transmission shifted into neutral(N) and failed to shift into park or drive on three occasions. The vehicle was restarted. After restarting the vehicle, the vehicle was shifted into drive, and..."
"This is an extremely common issue plaguing Hyundai & Kia vehicles with the Theta III 2.5L Turbo engine, Such as Kia K5 GT, Hyundai Sante Fe, Hyundai Santa Cruz, & Hyundai Sonata N-Line. Its a failing ITM (integrated thermal management) unit or otherwise known as an ITMS unit. There is a rod within..."
"Was driving and stopped at a stoplight. When I went to drive it started sputtering and if I wouldn’t have driven into a gas station, it would’ve given out in the middle of the road. It wouldn’t let me switch to drive or reverse , only neutral or park. It threw a code P0301, cylinder 1 misfire. Had..."
Reported defect complaint volume across sibling model years (2015–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Hyundai Sonata | 1192 | 38 | 12 | View 2015 Problems → |
| 2016 Hyundai Sonata | 850 | 23 | 8 | View 2016 Problems → |
| 2017 Hyundai Sonata | 840 | 29 | 4 | View 2017 Problems → |
| 2018 Hyundai Sonata | 378 | 18 | 1 | View 2018 Problems → |
| 2019 Hyundai Sonata | 163 | 9 | 0 | View 2019 Problems → |
| 2020 Hyundai Sonata | 189 | 5 | 4 | View 2020 Problems → |
| 2021 Hyundai Sonata | 182 | 8 | 4 | View 2021 Problems → |
| 2022 Hyundai Sonata | 110 | 8 | 3 | View 2022 Problems → |
| 2023 Hyundai Sonata Current Page | 100 | 8 | 2 | Current |
| 2024 Hyundai Sonata | 54 | 1 | 1 | View 2024 Problems → |
| 2025 Hyundai Sonata | 27 | 1 | 0 | View 2025 Problems → |
| 2026 Hyundai Sonata | 0 | 0 | 1 | View 2026 Problems → |
Complete distribution of consumer defect reports across all 41 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 19 | 0 | 0 | 0 | 0 |
| Engine NHTSA category: ENGINE | 9 | 0 | 0 | 0 | 0 |
| Powertrain NHTSA category: POWER TRAIN | 8 | 2 | 0 | 0 | 0 |
| ENGINE,FUEL/PROPULSION SYSTEM | 6 | 0 | 0 | 0 | 0 |
| Fuel System NHTSA category: FUEL SYSTEM, GASOLINE | 6 | 0 | 0 | 0 | 0 |
| Forward Collision Avoidance NHTSA category: FORWARD COLLISION AVOIDANCE | 4 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,FUEL/PROPULSION SYSTEM | 3 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM | 3 | 0 | 0 | 0 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE | 2 | 0 | 0 | 0 | 0 |
| Engine & Cooling NHTSA category: ENGINE AND ENGINE COOLING | 2 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | 2 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE | 2 | 0 | 0 | 0 | 0 |
| Structure & Body NHTSA category: STRUCTURE | 2 | 0 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 2 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,FUEL/PROPULSION SYSTEM | 2 | 0 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,ENGINE,FUEL/PROPULSION SYSTEM | 2 | 0 | 0 | 0 | 0 |
| AIR BAGS,STRUCTURE | 1 | 0 | 0 | 0 | 0 |
| BACK OVER PREVENTION,FORWARD COLLISION AVOIDANCE | 1 | 1 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,ENGINE | 1 | 0 | 0 | 0 | 0 |
| ENGINE,FORWARD COLLISION AVOIDANCE,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| EXTERIOR LIGHTING,ELECTRICAL SYSTEM | 1 | 1 | 0 | 0 | 0 |
| FUEL SYSTEM, DIESEL | 1 | 0 | 0 | 0 | 0 |
| FUEL/PROPULSION SYSTEM,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,SEATS,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,VEHICLE SPEED CONTROL,BACK OVER PREVENTION | 1 | 1 | 0 | 0 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES,BACK OVER PREVENTION,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| STEERING,ELECTRICAL SYSTEM,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| STEERING,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| STRUCTURE,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 1 | 0 | 0 | 0 |
| SUSPENSION,SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| Vehicle Speed Control NHTSA category: VEHICLE SPEED CONTROL | 1 | 1 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | 1 | 1 | 0 | 2 | 0 |
| Visibility / Glass NHTSA category: VISIBILITY | 1 | 0 | 0 | 0 | 0 |
| VISIBILITY/WIPER,VISIBILITY | 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 2023 Hyundai Sonata
In official NHTSA consumer records, the most frequently cited issue area for the 2023 Hyundai Sonata is Fuel & Propulsion System, appearing in 47 records (47% of submitted filings).
Secondary reported categories include Engine & Cooling (22) and Powertrain & Transmission (19).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 100 consumer defect complaints and 2 safety recall campaigns for the 2023 Hyundai Sonata.
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 2023 Hyundai Sonata, 8 filings cite a crash, 0 cite smoke or fire, and 1 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.