The redesigned Sonata stands out among staid midsized sedans with its sleek profile. Even so, it trails the category’s perennial leaders—the Honda Accord, Subaru Legacy, and Toyota Camry—in CR’s road-test results.
The Sonata is fairly roomy, with good driver visibility in spite of its rakish lines. The driving position isn’t quite as upright as in most sedans, but the power-seat adjustments let drivers of all sizes get comfortable behind the wheel. Seat support is fine on shorter jaunts but fades on longer trips, contributing to fatigue. And the hard center console can rub uncomfortably against the driver’s right knee.
In most cases, automotive warranties are based on the vehicle identification number (VIN), and the warranty will be valid regardless of ownership. The dealership can tell you exactly how much warranty is left.
Read more about extended warranties
sedan
8-speed Automatic
6-speed Automatic
8-speed Sequential
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.
CD or DVD players, radio, speakers, GPS, communication system (e.g., OnStar), display screen freezes or goes blank, phone pairing (e.g. Bluetooth), voice control commands, steering wheel controls, portable music device interface (e.g., iPod/MP3 player), backup or other camera/sensors.
Transmission rebuild or replacement, torque converter, clutch replacement.
Check engine light, sensors (includes O2 or oxygen sensor), emission control devices (includes EGR), engine computer, engine computer, fuel cap, fuel gauge/sender, fuel injection system, fuel pump, fuel leaks, stalling or hesitation.
Blower (fan) motor, A/C compressor, condenser, evaporator, heater system, automatic climate control, refrigerant leakage, electrical failure.
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, oil leaks.
Engine rebuild or replacement, cylinder head, head gasket, turbo or supercharger, timing chain or timing belt.
Antilock system (ABS), parking brake, master cylinder, calipers, rotors, pulsation or vibration, squeaking, brake failure or wear.
Gear selector or linkage, leaks, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission.
Paint (fading, chalking, cracking, or peeling), loose interior and exterior trim or moldings, rust.
Driveshaft or axle, CV joint, differential, transfer case, 4WD/AWD components, driveline vibration, traction control, electronic stability control (ESC), electrical failure.
Muffler, pipes, catalytic converter, exhaust manifold, leaks.
Squeaks, rattles, wind noises, loose or cracked seals and/or weather-stripping, air and water leaks.
Radiator, cooling fan, antifreeze leaks, water pump, thermostat, overheating.
Power or manual windows, locks and latches, tailgate, hatch or trunk, doors or sliding doors, mirrors, seat controls, safety belts, sunroof, convertible top.
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.
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, remote engine start, alarm or security system
Alternator, starter, hybrid battery and related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, distributor or rotor failure, spark plugs and wires failure.
