2021 Hyundai Tucson Reliability Score & Common Problems

Owners of the 2021 Hyundai Tucson report several issues, with a focus on rear window implosions and engine problems. Multiple complaints describe the rear hatch window shattering unexpectedly, sometimes accompanied by a popping noise. Engine-related issues include knocking sounds, self-acceleration and deceleration, and sudden shutdowns, often leading to engine replacement recommendations. One complaint involves a fire originating in the trunk area, highlighting a significant safety risk. These issues occur at varying mileages, with some owners mentioning vehicle service history and ongoing difficulties in obtaining timely dealer repairs.

Owners report that the 2021 Hyundai Tucson frequently experiences hesitation and stalling issues, particularly when accelerating from a stop or during lane changes and highway merging. Complaints commonly describe delayed throttle response, where the vehicle fails to move despite pressing the accelerator, sometimes requiring multiple attempts to engage the engine. These issues are often accompanied by additional symptoms like engine stalling, power loss, rough idling, and the illumination of the check engine light. The reported problems occur at various mileage levels, with some owners noting issues as early as 9,000 miles and others experiencing them beyond 36,000 miles. Safety implications are significant, as several owners mention near collisions due to the vehicle's unresponsiveness, particularly in traffic or while merging at higher speeds.

Owners report that the panoramic sunroof on the 2021 Hyundai Tucson can spontaneously explode while driving, with no prior warning. Complaints frequently mention a loud noise, likened to a bomb or gunshot, followed by shattered glass dispersing into the vehicle's cabin. Both incidents occurred while driving on the freeway, suggesting potential safety implications, including injury risk from the glass and the need for sudden stops on highways. These reports do not specify exact mileage, and no external factors like temperature or impact are noted. Prospective buyers should be aware of this issue due to its potential for driver distraction and injury.

Owners report issues with the airbag system in the 2021 Hyundai Tucson, particularly the non-deployment of the driver's side airbag during crashes. Complaints frequently mention incidents where the airbag fails to deploy, resulting in injuries, including neck injuries and severe internal injuries to passengers. Both reported complaints involve crashes, with one highlighting a multi-impact accident where the airbag did not deploy and the seatbelt caused internal injuries. These incidents suggest potential safety implications, especially in terms of airbag reliability during collisions. Buyers should be aware of these reported issues when considering a used 2021 Hyundai Tucson.

Owners report issues with the steering column of the 2021 Hyundai Tucson, where it occasionally fails to disengage, leading to a locked steering wheel even when the vehicle is in gear. Complaints frequently mention the presence of a yellow warning light with a car and key symbol during these incidents. Multiple owners describe near-collisions due to this malfunction, particularly when starting the vehicle or backing out of parking spots. Additional symptoms include problems with the electronic e-brake, such as delayed release or unexpected engagement, and a loss of power during acceleration. These issues often occur with passengers in the vehicle, raising safety concerns, although no specific mileage range is consistently reported.