Complaints
67
Crashes
3
Fires
0
Injuries
6
Fatalities
—
Recalls
0
Worst 2021 Hyundai Sonata Hybrid Problems
Top 3 most-reported issues with average mileage at failure.
#122 complaints
Electrical Faults
Avg mileage:24,000 mi
#220 complaints
Engine Problems
#33 complaints
Forward Collision Avoidance: Automatic Emergency Braking
Crash-related:1
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All Problems by Category
Every NHTSA complaint category for the 2021 Hyundai Sonata Hybrid.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Electrical Faults | 22 | — | — | 24,000 mi | |
| Engine Problems | 20 | — | — | — | |
| Forward Collision Avoidance: Automatic Emergency Braking | 3 | 1 | — | — | |
| Fuel System | 3 | — | — | — | |
| Transmission / Drivetrain | 3 | — | — | — | |
| Electrical System:12v/24v/48v Battery | 1 | — | — | — | |
| Engine & Cooling | 1 | — | — | — | |
| Engine And Engine Cooling:Engine:Oil/Lubrication:Sump/Tank:Drain Plug | 1 | — | — | — | |
| Engine And Engine Cooling:Exhaust System:Emission Control:Gas Recirculation Valve (Egr Valve) | 1 | — | — | — | |
| Forward Collision Avoidance: Adaptive Cruise Control | 1 | 1 | — | — | |
| Forward Collision Avoidance: Warnings | 1 | 1 | — | — | |
| Body Structure | 1 | — | — | — | |
| Tire Defects | 1 | — | — | — | |
| Wipers & Visibility | 1 | — | — | — |
Electrical Faults
22
complaints
Crashes
—
Fires
—
Avg Miles
24,000
Engine Problems
20
complaints
Crashes
—
Fires
—
Avg Miles
—
Forward Collision Avoidance: Automatic Emergency Braking
3
complaints
Crashes
1
Fires
—
Avg Miles
—
Fuel System
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Transmission / Drivetrain
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Electrical System:12v/24v/48v Battery
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine & Cooling
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Engine:Oil/Lubrication:Sump/Tank:Drain Plug
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Exhaust System:Emission Control:Gas Recirculation Valve (Egr Valve)
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Forward Collision Avoidance: Adaptive Cruise Control
1
complaints
Crashes
1
Fires
—
Avg Miles
—
Forward Collision Avoidance: Warnings
1
complaints
Crashes
1
Fires
—
Avg Miles
—
Body Structure
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Tire Defects
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Wipers & Visibility
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2021 Hyundai Sonata Hybrid. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other Hyundai Sonata Hybrid Years
2021 Hyundai Sonata Hybrid — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2021 Hyundai Sonata Hybrid reliable?
Verdict: Typical for Model. The 2021 Hyundai Sonata Hybrid has 67 NHTSA complaints, 3 crash-related, and 0 recall campaigns. The most common issue is Electrical Faults with 22 complaints. Source: NHTSA via VinItel.
What are common problems with the 2021 Hyundai Sonata Hybrid?
Top reported problems: Electrical Faults (22 complaints, avg 24,000 mi); Engine Problems (20 complaints); Forward Collision Avoidance: Automatic Emergency Braking (3 complaints). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2021 Hyundai Sonata Hybrid?
The weighted average mileage at time of complaint is about 24,000 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2021 Hyundai Sonata Hybrid?
NHTSA complaints for the 2021 Hyundai Sonata Hybrid include 3 crash-related reports, 0 fire reports, 6 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2021 Hyundai Sonata Hybrid have any recalls?
No NHTSA recall campaigns have been issued for the 2021 Hyundai Sonata Hybrid as of the latest data sync. Verify by VIN for the most current status — new recalls can be issued years after a model year ships.
Should I buy a 2021 Hyundai Sonata Hybrid?
Complaint levels are in line with what's expected. Normal used-car due diligence applies — check the specific VIN for accident history, open recalls, and title brands.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Hyundai Sonata Hybrid reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2021 Hyundai Sonata Hybrid
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