2018 Hyundai TucsonProblems, recalls & complaints

NHTSA has logged 399 owner complaints about the 2018 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.

2018 Hyundai Tucson

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 10, 2026. Updated daily. Photo: Vauxford, CC BY-SA 4.0.

Complaints by system

Where the 2018 Hyundai Tucson has problems

399 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
Engine24413
Power train1015
Electrical system293
Fuel/propulsion system222
Service brakes214
Service brakes, hydraulic200
Vehicle speed control160
Exterior lighting130
Structure81
13 other systems316

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

1 recall

2018 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.

Mileage at failure

When do engine problems start?

60kmiles, median

Based on the odometer reading in 57 engine complaints. 79% were reported before 100,000 miles.

Only 28% of complaints for this model year include a mileage.

median0k50k100k150k200k+
17under 30k miles45under 100k miles12100k miles or more
Owner-reported costs

What owners say repairs cost

Dollar amounts owners wrote in their complaints when describing a repair or a quote. These are not price estimates; a system is shown only when at least 8 owners mentioned a cost.

Engine

15 owners mentioned a cost

$4,000median

Middle half: $1,243 – $9,000

If a problem is covered by a recall, the dealer fixes it for free. Some manufacturers also reimburse owners who paid for a repair before a recall was announced.

Best & worst years

2018 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

2018 Hyundai Tucson safety ratings

2018 Hyundai Tucson SUV FWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.

★★★★★Overall rating
2018 Hyundai Tucson frontal crash test, NHTSA
Frontal crash★★★★★
2018 Hyundai Tucson side barrier test, NHTSA
Side barrier★★★★★
2018 Hyundai Tucson side pole test, NHTSA
Side pole★★★★★
  • Rollover: 4 stars (15.5% risk)
  • Stability control: Standard
  • Forward collision warning: Optional
  • Lane departure warning: Optional
1 investigation

NHTSA defect investigations

Federal investigations that included the 2018 Hyundai Tucson, and the recalls they led to.

  1. Loss of Motive PowerDP22003 · closed Dec 12, 2023
    No recall
In owners' words

What Tucson owners report

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

The contact owns a 2018 Hyundai Tucson. The contact stated that while driving approximately 65 MPH, there was a knocking sound coming from the engine compartment, and the vehicle started shaking aggressively. The brake pedal was depressed; however, the vehicle failed to respond as needed, and the…
Complaint 11764062 · Sep 14, 2026 · 164,000 miles
2018 Hyundai Tucson catastrophic engine failure consistent with known Hyundai Nu engine defect pattern documented across 141 prior owner-filed NHTSA complaints for this same vehicle. OBD codes P0326, P0301, P0302, P0303, P0304 documented July 19–25, 2026. Independent licensed mechanic confirmed in…
Complaint 11762047 · Sep 3, 2026
I took my Tucson to my local Hyundai dealership on Friday, August 28, 2026. It was there for a standard oil change and tire rotation. When I scheduled the appointment online the system also said there was a recall. I always stay on top of that so I let them take care of that as well. The recall…
Complaint 11761793 · Sep 3, 2026

Own a 2018 Tucson?

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