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#BS-2023-KIAK5-B5252023 Kia K5Problems, Recalls & Reliability
Based on reports from 160 owners and 4 recalls for this exact model.
Data updated ·NHTSA complaints through October 28, 2026
Preliminary Verdict
Think Twice
Based on 160 complaints, 10 crashes, 0 fires, and 4 recalls. Complaint rate is 4.3x the class average.
Top reported problems
excessive vibration when braking
1 complaints • Severity 4/10
faulty gas flap
1 complaints • Severity 8/10
gas tank is swelling expanding
1 complaints • Severity 10/10
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Mechanic Inspection Checklist
56 owners reported fuel system issues — failures commonly reported around 27K miles.
Failure Timeline by Mileage
Peak failure range: 0–30K miles (10 reports) • Median: 27K miles
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Fuel System (56 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
2023 Kia K5: Known Issues & Problem Areas
Fuel System Issues
Fuel System complaints account for 35% of all reports filed for the 2023 Kia K5, with 56 owners filing complaints with NHTSA. The median mileage at time of complaint is 27,000 miles, suggesting issues tend to surface around the 27K-mile mark.
Engine Issues
Engine complaints account for 8% of all reports filed for the 2023 Kia K5, with 13 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.
Drivetrain Issues
Drivetrain complaints account for 7% of all reports filed for the 2023 Kia K5, with 11 owners filing complaints with NHTSA. Owners should pay attention to drivetrain-related symptoms during test drives and pre-purchase inspections.
Structure:body Issues
Structure:body complaints account for 6% of all reports filed for the 2023 Kia K5, with 10 owners filing complaints with NHTSA. Owners should pay attention to structure:body-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 2023 Kia K5. Recent trend: stable.
Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (4 recalls)
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.
AIR BAGS:SIDE/WINDOW:CURTAIN
Kia America, Inc. (Kia) is recalling certain 2021-2023 K5 vehicles. The side curtain air bags may have been installed incorrectly, causing them not to deploy properly in the event of a crash.
STRUCTURE:EXTERIOR TRIM
Kia America, Inc. (Kia) is recalling certain 2023-2025 K5 vehicles. The left and right rear window trim pieces may loosen and detach.
FUEL SYSTEM, GASOLINE
Kia America, Inc. (Kia) is recalling certain 2021-2024 K5 vehicles. A damaged check valve can allow air to enter the fuel tank, causing it to expand and contact hot exhaust components, melting the tank.
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
2023 Kia K5 NHTSA Safety Ratings
Overall
★★★★★5 of 5 stars
Frontal crash
★★★★★4 of 5 stars
Side crash
★★★★★5 of 5 stars
Rollover
★★★★★4 of 5 stars
From NHTSA's New Car Assessment Program (5-Star Safety Ratings). Where NHTSA tested more than one version of this vehicle, the lowest rating is shown.
NHTSA Defect Investigations (1)
All closed. Investigations are how NHTSA decides whether a defect needs a recall.
Loss of Motive Power
ENGINE
The worst model year for the Kia K5 is the 2022 — worth knowing if you're cross-shopping years. The biggest problem area is fuel system.
2023 Kia K5 vs. Class Average (Large Cars)
This vehicle
160
Class avg
37
4.3x the class average — significantly more complaints than typical large cars 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. 160 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.
Last updated . NHTSA complaints received through October 28, 2026; safety ratings from NHTSA's 5-Star program.
2023 Kia K5: Frequently Asked Questions
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Get the Full 2023 Kia K5 Report
10 sections of AI analysis based on 160 owner reports. Know before you buy.