Most common 2018 Hyundai Tucson problems
Share of the 399 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Hyundai Tucson complaints by model year
Best Tucson years: 2011. Years to avoid: 2025, 2016, 2017, 2022, 2023. Compare all years →
2018 Hyundai Tucson recalls (1)
Service brakes, hydraulic › Antilock/traction control/electronic limited slip › Control unit/module
Hyundai Motor America (Hyundai) recalled certain 2019-2021 Tucson vehicles on September 4, 2020. On December 30, 2020, Hyundai expanded the recall population, and added certain 2016-2018 Tucson vehicles.
Remedy: Hyundai will notify owners, and dealers will replace the HECU fuse. For 2019-2021 model years, the Electronic Stability Control (ESC) software will also be updated. Recall repairs will be performed free of charge.
NHTSA defect investigations
Federal safety investigators have looked into a possible defect involving the 2018 Hyundai Tucson:
Loss of Motive Power
The National Highway Traffic Safety Administration (NHTSA) received a letter dated July 13, 2022, petitioning the Agency to initiate a safety defect investigation into loss of motive power allegations attributed to oil drain pan assembly failures on certain Hyundai Motor America, Inc. and Kia America, Inc. vehicles spanning Model Years (MY) 2005-2021.
What 2018 Hyundai Tucson owners say
Engine & cooling all 250 →
In May 2024 my Hyundai Tucson died in a middle of an intersection with no warning. Worse than that is Hyundai motor USA informed me that the car was on a recall list for an engine failure issue that was apart of class action suit . Ans further told me that that were obligated to have the highway transportation safety dept notified first consider cause of the issue. They told an inspector from your department was required to inspect vehicle before repairs could be started and or returned fo me. That has not happened and they are using your office as the reason for delay on my vehicle. They have systematically m supplied the same answer to my case with no resolution. …
The contact owns a 2018 Hyundai Tucson. The contact stated while driving approximately 55 MPH, the vehicle began to lose forward momentum. The contact depressed the accelerator pedal to gain speed and the vehicle continued to lose forward momentum. The contact stated that the engine revved and there was no warning light illuminated. The contact pulled off the roadway and turned the vehicle off. The contact attempted to restart the vehicle and the vehicle failed to restart. The contact had her father inspect her vehicle, he then replaced the battery and was able to restart the vehicle and drove it to her residence at a slow speed. The contact stated that her father told her that the vehicle was making abnormal sounds in the engine. The contact stated that she later saw that oil had puddled under her vehicle. …
Transmission & drivetrain all 101 →
In May 2024 my Hyundai Tucson died in a middle of an intersection with no warning. Worse than that is Hyundai motor USA informed me that the car was on a recall list for an engine failure issue that was apart of class action suit . Ans further told me that that were obligated to have the highway transportation safety dept notified first consider cause of the issue. They told an inspector from your department was required to inspect vehicle before repairs could be started and or returned fo me. That has not happened and they are using your office as the reason for delay on my vehicle. They have systematically m supplied the same answer to my case with no resolution. …
The contact owns a 2018 Hyundai Tucson. The contact stated that the vehicle was consuming an excessive amount of engine oil with the oil warning light illuminated. The vehicle was taken to an independent mechanic and a dealer to be inspected and two oil consumption tests were performed by the dealer. The oil consumption tests showed no defects with the engine. The dealer performed an engine flush; however, the failure persisted. The contact was advised to have oil changes performed every 3,000 miles instead of the recommended 5,000 miles. The contact stated that recently, after having an oil change, the dealer recommended a transmission fluid flush. The contact stated that after the transmission fluid flush was performed, the vehicle jerked and hesitated while depressing the accelerator pedal. There was no warning light illuminated. …
Brakes all 42 →
The contact owns a 2018 Hyundai Tucson. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle sporadically accelerated which caused the contact to crash into another vehicle. No injuries were sustained. A police report was filed. No air bags were deployed. The vehicle was towed to an auto repair center. The vehicle was not diagnosed nor repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 69,000.
The contact owns a 2018 Hyundai Tucson. The contact stated while driving 70 MPH and depressing accelerator pedal, the vehicle started to decelerate. The contact pulled over to the right side of the road and turned off the vehicle. The contact waited for two minutes and attempted to restart the vehicle; however, the vehicle failed to respond as needed. The brake warning light was illuminated. The vehicle was towed to an independent mechanic where it was diagnosed with a misfire in cylinders #1 and #2. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The contact related the failure to NHTSA Campaign Number: 20V543000 (SERVICE BRAKES, HYDRAULIC); however, the VIN was not included. The manufacturer was notified not notified of the failure. The failure mileage was 177,000.
2018 Hyundai Tucson engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 1.6L 4-cyl turbo | 7-speed dual-clutch | FWD | 25 / 30 / 27 |
| 2.0L 4-cyl | 6-speed automatic | FWD | 23 / 30 / 26 |
| 1.6L 4-cyl turbo | 7-speed dual-clutch | AWD | 24 / 28 / 25 |
| 2.4L 4-cyl | 6-speed automatic | FWD | 21 / 28 / 24 |
| 2.0L 4-cyl | 6-speed automatic | AWD | 21 / 26 / 23 |
| 2.4L 4-cyl | 6-speed automatic | AWD | 21 / 25 / 22 |
EPA ratings. Class: Small SUV.
Frequently asked questions
Is the 2018 Hyundai Tucson a good car?
Based on 399 owner complaints filed with NHTSA, the 2018 Tucson rates avoid: 3.4× as many complaints as a typical year of the Tucson at the same age. It is one of the Tucson years we suggest avoiding. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2018 Hyundai Tucson?
The engine & cooling — 250 complaints, 63% of all complaints for this model year, most often about exhaust system › emission control › catalytic convertor. Next are the transmission & drivetrain (101) and brakes (42).
How many recalls does the 2018 Hyundai Tucson have?
There is 1 recall for the 2018 Hyundai Tucson, the most recent from September 4, 2020 (control unit/module). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Hyundai Tucson?
The best years by complaints, compared at the same age, are 2011. Years to avoid or approach with caution: 2025, 2016, 2017, 2022 and 2023. See the full Hyundai Tucson years comparison.
At what mileage do 2018 Hyundai Tucson problems happen?
The median mileage reported in complaints is about 32,000 miles; 61% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.