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    GREEN CHOICE

    Hyundai Sonata

    EPA MPG: 31 mpg

    RECALL ALERT:
    There are 4 recalls on this vehicle. Learn More.

    Reliability

    Overall Reliability

    The 2021 Sonata is less reliable than other cars from the same model year.

    The 2021 Hyundai Sonata has been recalled 4 times by NHTSA. View Recalls
    Most Common Trouble Spots
    Common Trouble Spot
    Common Trouble Spot

    Owner Reported Trouble Spots

    The Reliability score is based on our latest subscriber survey of 2021 Hyundai Sonata owners. The owner comments describe problems respondents experienced with this vehicle.

    Paint/Trim

    Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.

    What Owners Say

    Paint (fading, chalking, cracking, or peeling)

    "Paint prematurely peeled three different occasions and in three different locations. The roof was first then the hood and side panel and lastly the trunk. Had to go to two different dealerships to get the paint repaired under warranty."

    Anonymous, CA (2021 Hyundai Sonata SE 2.5-L 4 Cyl turbo)

    "many many many rock chip on nose and hood from routine travel. It's really bad. I've never seen anything like it. Plan to repaint one day."

    Anonymous A., MI (2021 Hyundai Sonata Limited Unsure)

    "Paint is peeling/delaminating in recessed channel along the back glass. Hyundai refused to cover because discovered after the 36000 mile warranty on paint"

    Anonymous, MA (2021 Hyundai Sonata Limited 1.6-L 4 Cyl turbo)

    In-car Electronics

    Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.

    What Owners Say

    Hardware replacement

    "Anti-glare coating wore off from use. Dealer and Hyundai initially fought replacing it but eventually replaced head unit"

    Anonymous, MA (2021 Hyundai Sonata Limited 1.6-L 4 Cyl turbo)
    Speakers

    ""crackling sounds out of rear speakers. probably due to a bad wire. the dealer jury rigged it so it stopped, but it was not completely fixed""

    Anonymous, OH (2021 Hyundai Sonata Limited 1.6-L 4 Cyl turbo)

    Exhaust

    Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.

    What Owners Say

    Other/unsure

    "mouse nest on top of cabin air filter caused bad order that is very difficult to fix"

    Anonymous, MA (2021 Hyundai Sonata SEL 2.5-L 4 Cyl)

    Climate System

    AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.

    What Owners Say

    A/C compressor

    "Leaked expensive refrigerant"

    Anonymous A., FL (2021 Hyundai Sonata SEL 1.6-L 4 Cyl turbo)

    Engine Minor

    Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.

    What Owners Say

    Engine computer

    ""Check engine light on or off depending on if I hit a bump or not. Or just turn on the car. Rough idle 800 rpm, then 1400. Next time car started 1200 rpm. Stalled in intersection. Deal could not find problem, no logs, could not fix over 14 months. Traded car in. Took a hit on trade in as check engine light was on.""

    Anonymous, ON (2021 Hyundai Sonata SE 2.5-L 4 Cyl)

    Engine Cooling

    Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.

    Drive System

    Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.

    Fuel System/Emissions

    Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.

    Engine Major

    Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.

    Engine Electrical

    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.

    Brakes

    Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.

    Body Hardware

    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.

    Suspension/Steering

    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.

    Transmission Major

    Transmission rebuild or replacement, torque converter, premature clutch replacement.

    Transmission Minor

    Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.

    Noises/Leaks

    Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.

    Electrical Accessories

    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.

    2021 Sedans & Hatchbacks Reliability

    This Car
    vs. Similar Cars

    Hyundai vs. Other New Car Brands Reliability

    Reliability History
    * Redesign year
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    20*
    21
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    Overall Reliability Verdict
    NA
    NA
    NA
    NA
    NA
    NA

    POTENTIAL TROUBLE SPOTS
    Powertrain
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Engine Major
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Engine Minor
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Engine Cooling
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Engine Electrical
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Transmission Major
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Transmission Minor
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Drive System
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Fuel System/Emissions
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Exhaust
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Suspension/Steering
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Brakes
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Climate System
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Build Quality
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Electrical Accessories
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Body Hardware
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Paint/Trim
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Noises/Leaks
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    In-car Electronics
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Reliability indicates how models have performed in the past, providing the basis for predicting how the vehicles will hold up in the year ahead. These charts provide the most comprehensive reliability information available to consumers. Based on information received from our latest subscriber survey for about 380,000 vehicles, our reliability history charts give you a rundown on how 2000 through 2025 vehicles are holding up in 20 potential trouble spots, ranging from the engine, transmission, electric motor, EV charging, and brakes, to power equipment and the electrical accessories.
    Recalls
    PROVIDED BY
    FUEL SYSTEM, GASOLINE
    Nov 17, 2025
    A melted fuel tank can leak, increasing the risk of a fire.
    Summary:
    Hyundai Motor America (Hyundai) is recalling certain 2020-2023 Sonata vehicles. A damaged check valve can allow air to enter the fuel tank, causing it to expand and contact hot exhaust components, melting the tank.
    What should you do:
    Dealers will inspect and replace the check valve. The fuel tank assembly will be inspected for damage and replaced if necessary. Additionally, dealers will inspect and update the engine control unit software. All repairs will be performed as necessary, free of charge. Owner notification letters are expected to be mailed January 16, 2026. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 286. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on November 19, 2025.
    For more information:
    NHTSA CAMPAIGN ID Number: 25V796000
    Potential Number of Units Affected: 85043
    POWER TRAIN
    Oct 06, 2022
    Loss of drive power increases the risk of a crash.
    Summary:
    Hyundai Motor Company (Hyundai) is recalling certain 2021-2022 Santa Fe, Sonata, Veloster N, 2022 Santa Cruz, Elantra N, and Kona N vehicles. The vehicle's "fail-safe" limited-mobility drive mode may be impaired, when prompted by a transmission oil pump malfunction, which can result in a complete loss of drive power.
    What should you do:
    Dealers will inspect and replace the transmission, as necessary. Dealers will also update the transmission control unit software. All repairs will be performed free of charge. Owner notification letters were mailed January 10, 2023. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 236.
    For more information:
    Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
    NHTSA CAMPAIGN ID Number: 22V746000
    Potential Number of Units Affected: 56148
    VISIBILITY
    Dec 28, 2021
    A windshield that detaches from a vehicle during a crash can increase the risk of injury.
    Summary:
    Hyundai Motor America (Hyundai) is recalling certain 2020-2021 Santa Fe, 2021 Sonata, and Elantra vehicles. During manufacturing, the windshield may not have been properly bonded to the vehicle, allowing it to detach in a crash.
    What should you do:
    Dealers will remove and reinstall the front windshield panel, free of charge. Owner notification letters were mailed June 20, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 216.
    For more information:
    Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
    NHTSA CAMPAIGN ID Number: 21V00M000
    Potential Number of Units Affected: 26413
    FUEL SYSTEM, GASOLINE
    Jul 09, 2021
    A fuel leak increases the risk of a fire.
    Summary:
    Hyundai Motor America (Hyundai) is recalling certain 2021-2022 Santa Fe and Sonata vehicles equipped with 2.5L turbocharged engines. Fuel may leak at the pipe connection between the high-pressure fuel pump and fuel rail.
    What should you do:
    Dealers will inspect and tighten, or replace the fuel pipe as necessary, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 207.
    For more information:
    Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
    NHTSA CAMPAIGN ID Number: 21V524000
    Potential Number of Units Affected: 15752
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