Sonata (2025)
Data covers 2 NHTSA model names
Reliability Score
Complaints by Engine Code
GDI NU PE + HEV
2.0LView details
Complaint Breakdown
GDI THETA III
2.5L 4-cyl / 191 hpView details
Complaint Breakdown
Show 1 additional engine variant with limited data
T-GDI THETA III
2.5L TurboView details
Complaint Breakdown
Battery & Propulsion Reliability
Hybrid (HEV)
Battery & propulsion complaint analysis for the 2025 Hyundai Sonata
Too few field reports to rate this generation against peers yet. Most recently launched models accumulate complaints over the first 2-3 years.
What kind of battery complaint?
Among the 1 battery-related complaints, here's the type mix. These percentages describe what the complaints are about — not how reliable the vehicle is overall.
Low-voltage battery deaths, common on EVs and hybrids that use a 12V for accessories.
Sample complaint excerpts
12V Auxiliary Battery
- [2025] On April 8, 2026, I returned to my brand-new 2025 Hyundai Sonata Hybrid Limited (purchased as a new ccar on February 10th 2026)_after being away from March 31 to April 6, 2026 (approximately 7 days of normal parking). The vehicle was completely dead — the 12V auxiliary battery had fully discharged. The car remained fully locked. The hood release lever and the 12V battery reset button are both lo
Source: classified from NHTSA complaint and recall data. "Battery-related" includes high-voltage propulsion battery, charging system, hybrid drivetrain, electric propulsion, regenerative braking, 12V auxiliary battery, and thermal-event complaints. Other complaints (suspension, steering, brakes, infotainment) appear in the engine and vehicle-level sections. Rates are absolute counts, not normalized per-VIN — high-volume models naturally produce more raw complaints than low-volume ones. Self-reported death and injury counts are capped per complaint to limit form abuse.
Battery: Hyundai Sonata Hybrid pack (2020-2025)
Pack overview
Known issues
How this pack ages (industry context)
Industry fleet aggregates: 2.3% average annual capacity loss across 22,700 EVs / 21 models (Geotab, 2026), and 95% range retention at 5 years on average across 30,000+ vehicles (Recurrent, 2026).
OEM warranty floor on this pack: 10 yr / 100k mi.
Public per-pack degradation curves are not available for most models. Individual results vary materially with climate, charging behavior, and DC fast-charge frequency.
Owner Complaints by System
Complaints owners filed with NHTSA about the Hyundai Sonata, counted across every engine. A complaint can name more than one system.
NHTSA Safety Ratings About NHTSA ratings
Alternatives in Midsize Sedan
Frequently Asked Questions
What are the most common 2025-2025 Hyundai Sonata complaints?
Owners have filed 28 complaints with NHTSA about the 2025-2025 Hyundai Sonata. The systems they name most often are the brakes, the electrical system and the safety systems.
Is the 2025-2025 Hyundai Sonata a good used car?
That depends on the model year, the mileage and the maintenance history of the car in front of you. Owners have filed 28 complaints with NHTSA about the 2025-2025 Hyundai Sonata. Check which systems they name most often and whether a recall is still open on that car.
How many NHTSA complaints does the 2025-2025 Hyundai Sonata have?
NHTSA has 28 owner complaints on file for the 2025-2025 Hyundai Sonata as of the latest data pull. A complaint is an owner's report, not a confirmed defect, and counts rise with sales.
What recalls affect the 2025-2025 Hyundai Sonata?
NHTSA lists no recalls for the 2025-2025 Hyundai Sonata.
What should I check before buying a used Hyundai Sonata?
Run the VIN through NHTSA's recall lookup and confirm every open recall has been done. Look hardest at the brakes, the electrical system and the safety systems, the systems owners complain about most. Ask for maintenance records, have an independent mechanic inspect the car and run a vehicle history report for prior accidents and title issues.
What are the NHTSA crash test ratings for the Sonata?
The 2025 Hyundai Sonata received an overall 5-star safety rating from NHTSA. Frontal crash: 4 stars. Side crash: 5 stars. Rollover: 5 stars (9.7% rollover probability). Electronic Stability Control: Standard. Forward Collision Warning: Standard. Lane Departure Warning: Standard. These ratings are based on standardized crash tests conducted by the National Highway Traffic Safety Administration.
Data from NHTSA federal complaints database. 28 complaints analyzed. Data confidence: low. Last updated: 2026-10-12.