2021 Kia Sorento Reliability Score & Common Problems

Owners of the 2021 Kia Sorento frequently report engine-related issues, with common symptoms including sudden power loss, stalling, and unresponsive acceleration. These problems are often accompanied by illuminated warning lights, such as the check engine light, and may occur at various speeds or when the vehicle is idling. Complaints also highlight recurring transmission issues, with some vehicles exhibiting gear disengagement or failing to shift properly, often at mileages ranging from 11,978 to over 98,000 miles. Safety implications include instances where vehicles unexpectedly lose power on highways or fail to start at intersections, potentially creating hazardous situations. Prospective buyers should be aware of these reported issues, particularly those related to engine and transmission reliability.

Owners of the 2021 Kia Sorento frequently report issues related to the steering system, with common symptoms including a scraping or metal-on-metal noise when turning the steering wheel, as well as drifting from side to side on various road surfaces. These problems are noted at various mileage points, with one owner mentioning the issue as early as 2,000 miles. Some complaints also describe sudden disengagement of Driver Assist steering features, particularly on two-lane highways and curves, which could pose a safety risk. Additionally, there are reports of locked steering and unresponsive acceleration during powertrain failures, which have led to near-collision situations. These issues are often accompanied by electrical failures, with some owners experiencing significant repair costs.

Owners of the 2021 Kia Sorento report issues with the fuel and propulsion system, primarily involving engine performance and fuel system access. A common complaint is the engine unexpectedly losing power and shutting off, accompanied by gasoline discharge from the tailpipe and a strong fuel odor, suggesting a potential fuel leak. Another frequently mentioned issue is the inability to open the gas tank door, which could lead to running out of fuel, especially during long trips. Additionally, a persistent dashboard warning about abnormal inverter coolant levels is noted, though the dealership has been unable to resolve it. These problems may present safety concerns, such as the risk of stalling in traffic or being stranded due to fuel access issues.

Owners of the 2021 Kia Sorento frequently report issues with the forward collision avoidance system, including dashboard error messages indicating the system is not functioning. Another common complaint involves the forward collision avoidance warning activating unexpectedly, with one owner noting that the sensor detached from the bumper at approximately 500 miles. Additionally, there are reports of difficulties disengaging the Smart Cruise Control, which some owners find problematic as it interferes with their driving preferences. These issues typically arise early in the vehicle's use, with safety implications such as unintended speed adjustments and sensor malfunctions, which may concern potential buyers.

Owners of the 2021 Kia Sorento report issues with vehicle speed control, including unintended acceleration and failure to accelerate. One owner describes a crash caused by unexpected acceleration while parking, resulting in significant property damage. Another owner notes the vehicle displaying an error message and becoming unresponsive while driving, with the issue recurring despite dealer visits. Additional complaints mention inconsistent acceleration, particularly after stopping or when making turns, with one owner observing a pattern of monthly occurrences. These issues are reported at various mileage points, with some noted as early as 7,800 miles, and pose potential safety risks due to loss of control or unexpected vehicle behavior.

Owners of the 2021 Kia Sorento report issues related to the availability of parts for a recall involving trailer hitches. Complaints frequently mention delays in obtaining parts needed for the recall repair, with some owners expressing that the manufacturer has taken an unreasonable amount of time. One report involves a fire that occurred after the vehicle was parked for about three hours, resulting in a total loss of the vehicle and a minor injury to the owner's spouse. This incident occurred at approximately 20,000 miles. The fire and associated injury highlight potential safety implications related to the recall, which prospective buyers should consider.

Owners of the 2021 Kia Sorento report issues with the airbag system, specifically noting a defective clock spring indicated by an illuminated airbag light on the driver's side. In one instance, during a crash at low speed, the driver's side curtain airbags deployed, but the front driver's seat airbag deployed without inflating, and the front passenger's seat belt retracted despite the seat being unoccupied. This incident occurred at approximately 49,000 miles. These complaints highlight potential safety implications, as the airbag system may not function as expected during a collision. This information is crucial for used car buyers considering the vehicle's safety features and airbag reliability.