The 2021 Kona is less reliable than other cars from the same model year.
The Reliability score is based on our latest subscriber survey of 2021 Hyundai Kona owners. The owner comments describe problems respondents experienced with this vehicle.
AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
"Car takes a long time for heat to turn on."
Anonymous, MD (2021 Hyundai Kona Electric Electric)""Hot air always blowing through the vents when the heat was not "on". Very noticeable 2nd year owned, during the summer. Had a private mechanic fix it.""
Anonymous, PA (2021 Hyundai Kona SE 2.0-L 4 Cyl)Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"internal moulding is falling off"
Anonymous A., NY (2021 Hyundai Kona SEL 2.0-L 4 Cyl)"Passenger heated seat stopped working"
Anonymous, VA (2021 Hyundai Kona SEL 1.6-L 4 Cyl turbo)Transmission rebuild or replacement, torque converter, premature clutch replacement.
""When stopped at left turn arrow, car hesitated & accelerator would be floored. It NEVER happened when the technician drove the car. I couldn't take off from work to ride with him. I'll never buy a car with "semi manual transmission" again.""
Anonymous, PA (2021 Hyundai Kona SE 2.0-L 4 Cyl)"Transmission is being replaced. It is under warranty but a major nuisance."
Anonymous, GA (2021 Hyundai Kona Ultimate 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.
"The resume speed button on the cruise control quit functioning."
Anonymous, WA (2021 Hyundai Kona SEL 2.0-L 4 Cyl)"The horn was not working"
Anonymous, WA (2021 Hyundai Kona SEL 2.0-L 4 Cyl)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.
"drivers side heated seat was infrequently working"
Anonymous, WA (2021 Hyundai Kona SEL 2.0-L 4 Cyl)"Engine missing; all spark plugs had brown overheating rings on ceramic body"
Anonymous A., IL (2021 Hyundai Kona Ultimate 1.6-L 4 Cyl turbo)Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
"Caliper leaks"
Anonymous A., IL (2021 Hyundai Kona Ultimate 1.6-L 4 Cyl turbo)Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
""Differential seals had to be replaced (leaking),covered under warranty.""
Anonymous, MD (2021 Hyundai Kona Ultimate 1.6-L 4 Cyl turbo)Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
"Does not raise out of the dash anymore"
Anonymous A., OH (2021 Hyundai Kona Limited 1.6-L 4 Cyl turbo)Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
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.
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.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
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.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
"2 parts for ac fixed because under warranty."
Anonymous, UT (2021 Hyundai Kona SE 2.0-L 4 Cyl)