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We expect the 2025 Sonata will be more reliable than the average new car. This prediction is based on data from 2022, 2023, and 2024 models.
The Reliability score is based on our latest subscriber survey of 2020 Hyundai Sonata owners. The owner comments describe problems respondents experienced with this vehicle.
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
"The main wiring harness had a failure and was shorting out one of the fuse "bricks." The wiring harness needs to be replaced and is currently on back order."
Anonymous, WI (2020 Hyundai Sonata Limited 1.6-L 4 Cyl turbo)Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"Alignment. Car started pulling to left about year ago. Had realignment done, car has been fine."
Anonymous, IL (2020 Hyundai Sonata SEL Plus 1.6-L 4 Cyl turbo)"The Hyundai Brand has bad reviews from the past. I've seen nothing that corrects those faults. Mostly engine break-downs. Also, the dealerships are very slow to repair, either from a lack of replacement materials or shortage of labor."
Anonymous, (2020 Hyundai Sonata Limited 1.6-L 4 Cyl turbo)Windows, locks and latches, doors or sliding doors, tailgate, trunk or hatch, mirrors, seat controls (power or manual), seat belts, sunroof, convertible top, glass defect.
"They had to replace the tracks that the seat moved on."
Anonymous A., NV (2020 Hyundai Sonata Limited 1.6-L 4 Cyl turbo)Cruise control, clock, warning lights, body control module, keyless entry, wiper motor or washer, tire pressure monitor, interior or exterior lights, horn, gauges, 12V power plug, USB ports, alarm or security system, remote engine start, heated or cooled seats, heated steering wheel, headlights, automatic headlights, automatic wipers, wireless charging pad.
"Both key fob batteries died, so I could not start the car until I found new batteries"
Anonymous A., MN (2020 Hyundai Sonata Limited 2.5-L 4 Cyl)Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
"Paint peeling from the trunk."
Anonymous, VA (2020 Hyundai Sonata SE 2.5-L 4 Cyl)AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
"The 2 issues are related. The blower will work, but some thing in the electrical related to the blower makes it work intermittently. I would remove and replace the same relay, and sometime it would work, and other times it wouldnt. In my research it seems that this is an issue others have had, and the resolve was extremely difficult. I am hoping that they will be able to remedy the issue soon."
Anonymous A., FL (2020 Hyundai Sonata Limited 1.6-L 4 Cyl turbo)Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
Shocks or struts, ball joints, tie rods, wheel bearings, alignment, steering linkage (includes rack and pinion), power steering (pumps and hoses, leaks), wheel balance, springs or torsion bars, bushings, electronic or air suspension.
Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
Alternator, starter, hybrid battery replacement, hybrid battery related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, spark plugs and wires failure, auto stop/start.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
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"This was related to the Blower issue. It seems possibly something in the electrical is amiss that makes the blower work intermittently."
Anonymous A., FL (2020 Hyundai Sonata Limited 1.6-L 4 Cyl turbo)