2021 Hyundai TucsonProblems, recalls & complaints

NHTSA has logged 84 owner complaints about the 2021 Hyundai Tucson, most often about the engine. It is covered by 1 safety recall, and for recall 20V-543 the manufacturer reports only 84% of affected cars repaired.

2021 Hyundai Tucson

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through November 9, 2026. Updated daily. Photo: Vauxford, CC BY-SA 4.0.

Complaints by system

Where the 2021 Hyundai Tucson has problems

84 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Engine422
Electrical system120
Service brakes90
Power train80
Fuel/propulsion system80
Forward collision avoidance61
Service brakes, hydraulic30
Vehicle speed control30
Engine and engine cooling30
8 other systems135

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

1 recall

2021 Hyundai Tucson recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

84%repaired · 2022 Q4

Antilock/traction control/electronic limited slip: control unit/module

Park outside

Recall 20V-543 · Sep 4, 2020 · 652,024 vehicles · 549,599 repaired

Risk. An engine compartment fire can increase the risk of injury or crash.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Hyundai.

Best & worst years

2021 vs. every other Tucson year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Tucson median. How we score

'05'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25'26
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
NHTSA crash tests

2021 Hyundai Tucson safety ratings

2021 Hyundai Tucson SUV FWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.

★★★★★Overall rating
2021 Hyundai Tucson frontal crash test, NHTSA
Frontal crash★★★★★
2021 Hyundai Tucson side barrier test, NHTSA
Side barrier★★★★★
2021 Hyundai Tucson side pole test, NHTSA
Side pole★★★★★
  • Rollover: 4 stars (16.2% risk)
  • Stability control: Standard
  • Forward collision warning: Standard
  • Lane departure warning: Standard
1 investigation

NHTSA defect investigations

Federal investigations that included the 2021 Hyundai Tucson, and the recalls they led to.

  1. Hyundai and Kia ABS Module FiresAQ23002 · still open
    Open
In owners' words

What Tucson owners report

Recent engine complaints filed with NHTSA, shortened. Personal details are removed.

URGENT ADD TO OPEN NHTSA COMPLAINT NUMBER: 11776255. On Monday, November 9, 2026, I presented my 2021 Hyundai Tucson to Service Advisor Grant Bode at Napleton Hyundai due to severe engine knocking. I have explicit photographic evidence of the advisor physically inspecting the vehicle's dipstick on…
Complaint 11776854 · Nov 9, 2026
on at least 4 different occasions this vehicle has at highway speeds been taken over by the engine vibration control which places the vehicle into a low power mode fortunately this did not happen while passing a semi other wise I would and my wife would not be alive.each time the vehicle was taken…
Complaint 11776447 · Nov 7, 2026
COMPONENT FAILED: Engine / Powertrain assembly suffering from severe, documented manufacturing internal oil consumption. Available for inspection upon request. SAFETY RISK: My safety was severely put at risk by Napleton Hyundai (2600 Michigan Ave). On XXXX, Service Manager Heliose explicitly…
Complaint 11776255 · Nov 6, 2026

Own a 2021 Tucson?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.