2020 HYUNDAI SONATA Problems
Real NHTSA owner complaints for the 2020 Hyundai Sonata. This model year has 154 NHTSA complaints — top issue: Fuel/Propulsion System.
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This page shows the model year's reputation. The VIN tells you about the specific car — accidents, title issues, odometer rollbacks, and open recalls.
Worst 2020 Hyundai Sonata Problems
Top 3 most-reported issues with average mileage at failure.
Fuel/Propulsion System
Electrical Faults
Uncategorized Issues
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This page shows the model year's reputation. The VIN tells you about this specific car — accidents, title issues, odometer fraud. Full report just $4.99 (vs. Carfax $44.99).
All Problems by Category
Every NHTSA complaint category for the 2020 Hyundai Sonata. A single complaint may appear in multiple categories.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Fuel/Propulsion System | 43 | 2 | 1 | — | |
| Electrical Faults | 32 | 1 | — | — | |
| Uncategorized Issues | 27 | 2 | — | — | |
| Engine Problems | 24 | 1 | 1 | — | |
| Transmission / Drivetrain | 21 | — | — | — | |
| Structural Problems | 14 | — | — | — | |
| Seat-Related Issues | 13 | — | — | — | |
| Forward Collision Avoidance: AEB | 10 | 1 | — | — | |
| Airbag Malfunctions | 7 | 1 | 1 | — | |
| Fuel System | 7 | — | — | — | |
| Gasoline | 7 | — | — | — | |
| Steering Defects | 7 | — | — | — | |
| Unintended Acceleration | 7 | — | — | — | |
| Back Over Prevention | 5 | — | — | — | |
| Visibility/Wiper | 5 | — | — | — | |
| Lane Departure | 3 | — | — | — | |
| Wheel Issues | 2 | — | — | — | |
| Headlight/Taillight Failures | 2 | — | — | — | |
| Brake System | 2 | — | — | — | |
| Chest Clip | 1 | — | — | — | |
| Buckle | 1 | — | — | — | |
| Harness | 1 | — | — | — | |
| Visibility | 1 | — | — | — | |
| Hydraulic | 1 | — | — | — | |
| Equipment | 1 | — | — | — | |
| Electronic Stability Control (Esc) | 1 | — | — | — | |
| Door Lock Issues | 1 | — | — | — |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2020 Hyundai Sonata. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Showing 154 most recent complaints
NHTSA Complaint Statement Subject: Stop‑Drive Recall – Vehicle Held Since March 5, 2026 – No Remedy, No Transportation, Buyback Delayed I am filing a complaint regarding a stop‑drive safety recall that has left me without access to my vehicle since March 5, 2026, and the manufact…
The AC Evaporator core is leaking. Known issue amongst these vehicles.
Vehicle subject to NHTSA Recall 25V796000 (fuel system defect). In July 2025, while driving, a loud explosive sound came from the rear of the vehicle followed by raw gasoline fumes entering the cabin. Vehicle was towed to a Hyundai dealership and held approximately 120 days befor…
It was smoking from the engine, I immediately stopped the vehicle. My safety was put at risk immediately while being in the vehicle when the air bags deployed hitting me in the face and causing my face to swell. The safety of others was put at risk due to others being right next …
The back up camera sometimes is only a black screen, it is random and has done it in all sorts of weather. Usually is corrected when vehicle is started next.
I have had my car since January of 2023 and I have had no significant issues. I bought the car with roughly 30,000 miles, fast forward to February of 2026 it has about 123,000 miles and the engine is burning oil very fast. My car loses oil so fast the oil light comes on way early…
On 2/19/2026 while driving, my 2020 Hyundai Sonata Limited 1.6T began making several loud explosive / popping sounds. At the same time, the fuel gauge on the display screen appeared to rapidly drop, as if the vehicle was losing gas. Immediately following this, the vehicle began t…
White pain is pealing off and it’s pretty bad especially when going through car wash
Rear camera doesn’t work and is just a black screen. It started out intermittent and now doesn’t work at all.
The contact owns a 2020 Hyundai Sonata. The contact received notification of NHTSA Campaign Number: 25V796000 (FUEL SYSTEM, GASOLINE); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exc…
The contact owns a 2020 Hyundai Sonata. The contact stated that while attempting to start the vehicle, the vehicle failed to start. The battery and the key warning lights were illuminated. The contact stated that after several attempts, the vehicle started. The vehicle was driven…
My vehicle was at a manufacturer‑authorized dealership for a federally mandated recall repair. While the vehicle was in the dealership’s exclusive care, custody, and control, it was struck by a third‑party cleaning vendor operating on dealership property and was declared a total …
I have taken my vehicle to a certified Hyundai dealership multiple times due to intermittent starting issues. The car will unlock remotely, and the lights and electrical components will turn on, but the engine will not start. When this happens, I press the ignition button to turn…
While stopping at a major highway intersection on [XXX] for a red light vehicle stalls and will not start back up while everyone else continues at a 55 mph mile an hour passing me on each side! This happened more than 6 times . While you’re stuck in intersection,you have to kee…
I own a 2020 Hyundai Sonata with factory-applied paint. The vehicle developed paint peeling/clear-coat failure on the driver-side rear quarter panel without any prior damage, accident, or repainting. The paint began separating from the body, exposing the underlying surface. I br…
My 202 Hyundai Sonata is involved in the current hyundai fuel system recall. on 10/26/25 the fuel tank expanded and caused three explosive "boom" sounds inside the vehicle while I was driving with passengers. The backseat began heating and rising upward due to fuel tank swelling.…
The contact owns a 2020 Hyundai Sonata. The contact stated that while the vehicle was parked, the vehicle failed to start as intended. The contact stated that several unknown warning lights were illuminated. The contact stated that the vehicle eventually started and drove normall…
Coolant is leaking again after being fixed at a Hyundai dealer. If I don't fix it, my car will overheat and catch fire in the middle of a public road. My warranty has now expired, so I'll have to pay for the repairs myself. However, this problem is a design flaw, not related to t…
The contact owns a 2020 Hyundai Sonata. The contact stated that while reversing, the back-over prevention camera malfunctioned, and there was no image of the rear of the vehicle displayed. The contact stated that the display screen only displayed lines. The contact stated that th…
Wiring harness under fuse box is not making a consistent connection and is causing the blower amp to overheat and disconnect. When this happen, cabin air doesn’t blow and the front and rear defrost stops working. The only way to make the blower engage is by removing the fuse box …
Source: NHTSA Complaints Database. Real owner reports for the 2020 Hyundai Sonata.
Recalls for 2020 Hyundai Sonata
4 campaignsNHTSA recall campaigns for the 2020 Hyundai Sonata. Recalls are free to fix at any authorized dealer. Run a VIN check below to see if your specific vehicle has open recalls.
2020 Hyundai Sonata — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2020 Hyundai Sonata reliable?▾
Notable Issues. The 2020 Hyundai Sonata has 154 NHTSA owner complaints, 4 crash-related, and 4 recall campaigns. The most reported issue is Fuel/Propulsion System (43 complaints). Source: NHTSA via VinSpector AI.
What are the most common problems with the 2020 Hyundai Sonata?▾
#1: Fuel/Propulsion System (43 complaints). #2: Electrical Faults (32 complaints). #3: Uncategorized Issues (27 complaints)
At what mileage do problems start on the 2020 Hyundai Sonata?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2020 Hyundai Sonata?▾
The 2020 Hyundai Sonata has 4 crash-related complaints and 1 fire reports out of 154 total NHTSA complaints. 4 injuries were reported. For NCAP lab crash test star ratings, visit nhtsa.gov/ratings.
Does the 2020 Hyundai Sonata have any recalls?▾
Yes — 4 NHTSA recall campaigns affect the 2020 Hyundai Sonata. The largest issue: ELECTRICAL SYSTEM:SOFTWARE. Check nhtsa.gov/recalls or run a VIN check to see if your specific vehicle has open recalls.
Should I buy a 2020 Hyundai Sonata?▾
The 2020 Hyundai Sonata has notable issues — review the top problems before buying. Pay particular attention to Fuel/Propulsion System issues. Always run a VIN check on the specific car you're considering to check for accident history, open recalls, and title brands.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.
Wider context: See the full Hyundai Sonata reliability report with year-by-year comparison.
Check Your Specific 2020 Hyundai Sonata
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud. Full report just $4.99.