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#BS-2021-KIASOR-433B2021 Kia Sorento
Based on reports from 281 owners and 4 recalls for this exact model.
Preliminary Verdict
Red Flag
Based on 281 complaints, 6 crashes, 1 fires, and 4 recalls. Complaint rate is 1.6x the class average.
Top reported problems
rear differential transfer case leak
1 complaints • Severity 4/10
vibration from rear end
1 complaints • Severity 8/10
transmission delays shifting under acceleration
1 complaints • Severity 6/10
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Mechanic Inspection Checklist
98 owners reported drivetrain issues — failures commonly reported around 34K miles.
Failure Timeline by Mileage
Peak failure range: 0–30K miles (16 reports) • Median: 34K miles
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Drivetrain (98 reports).
Also in your report
Owner Intelligence
AI-synthesized themes from real complaints
Buyer Lot Checklist
Questions, test drive checks, walk-away triggers
Negotiation Talking Points
Data-backed dollar deductions
Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
2021 Kia Sorento: Known Issues & Problem Areas
Drivetrain Issues
Drivetrain complaints account for 35% of all reports filed for the 2021 Kia Sorento, with 98 owners filing complaints with NHTSA. The median mileage at time of complaint is 34,256 miles, suggesting issues tend to surface around the 34K-mile mark.
Engine Issues
Engine complaints account for 17% of all reports filed for the 2021 Kia Sorento, with 48 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.
Electrical Issues
Electrical complaints account for 11% of all reports filed for the 2021 Kia Sorento, with 31 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.
Fuel System Issues
Fuel System complaints account for 4% of all reports filed for the 2021 Kia Sorento, with 12 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.
Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.
Complaint trend by year
Complaints filed with NHTSA by year for the 2021 Kia Sorento. Recent trend: decreasing.
Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (4 recalls)
FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
Kia Motor America (Kia) is recalling certain 2021 Sorento and 2021-2022 K5 vehicles equipped with 2.5L turbocharged engines. Fuel may leak at the pipe connection between the high-pressure fuel pump and fuel rail.
TRAILER HITCHES
Kia America, Inc. (Kia) is recalling certain 2016-2022 Sorento, 2021-2022 Sorento Hybrid (HEV), 2022-2023 Sorento Plug-In Hybrid (PHEV), and 2017-2022 Sportage vehicles equipped with a tow hitch harness installed as original equipment, or purchased as an accessory through a Kia dealership. Debris and moisture accumulation on the tow hitch harness module printed circuit board (PCB) may cause an electrical short, which can result in a fire.
POWER TRAIN:AUTOMATIC TRANSMISSION
Kia Motors, Inc. (Kia) is recalling certain 2021-2022 Sorento and 2021-2023 K5 vehicles. The vehicle's "fail-safe" limited-mobility drive mode may be impaired, when prompted by a transmission oil pump malfunction, which can result in a complete loss of drive power.
ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
Kia America, Inc. (Kia) is recalling certain 2021-2023 Sorento vehicles. The heating, ventilation, and air conditioning (HVAC) blower motor wiring harness may be inadequate, which can result in a fire.
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
The worst model year for the Kia Sorento is the 2016 — worth knowing if you're cross-shopping years. The biggest problem area is engine.
2021 Kia Sorento vs. Class Average (Small Sport Utility Vehicle 2WD)
This vehicle
281
Class avg
172
1.6x the class average — significantly more complaints than typical small sport utility vehicle 2wd vehicles.
Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 281 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 4 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Kia Sorento Model Years
View all Kia Sorento years →2021 Kia Sorento: Frequently Asked Questions
What is the most common problem with the 2021 Kia Sorento?
Is the 2021 Kia Sorento reliable?
How much does it cost to fix 2021 Kia Sorento problems?
Does the 2021 Kia Sorento have any recalls?
What mileage do Kia Sorento problems start?
What’s in the full report?
How is this different from free NHTSA data?
How is this different from Carfax?
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Get the Full 2021 Kia Sorento Report
10 sections of AI analysis based on 281 owner reports. Know before you buy.