2021 Kia Sorento

The 2021 Kia Sorento marked the beginning of the fourth generation of this popular mid-size SUV. It offered a more refined design, updated technology, and a broader range of powertrains. While generally well-received for its value, spacious interior, and user-friendly features, some owners have reported specific issues. The available engines for the 2021 Sorento include a 2.5L GDI 4-cylinder (191 hp, 181 lb-ft of torque), a 2.5L Turbo GDI 4-cylinder (281 hp, 311 lb-ft of torque), and a 1.6L Turbo GDI 4-cylinder hybrid powertrain (227 hp combined). A plug-in hybrid option was also available. Many owners appreciate the Sorento’s stylish exterior, comfortable ride, and extensive safety features. Common dislikes include occasional transmission hesitation (especially with the DCT) and some complaints about the sensitivity of the advanced driver-assistance systems.

Engine

2.5L GDI 4-Cylinder

• Engine Stalling/Hesitation
  • Description/Symptoms: Some owners have reported the engine stalling or hesitating, particularly during acceleration from a stop or at low speeds.
  • Solution: Software update, fuel injector replacement, or throttle body cleaning.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

2.5L Turbo GDI 4-Cylinder

• Oil Consumption
  • Description/Symptoms: A few owners have reported excessive oil consumption, requiring more frequent oil changes than expected. Symptoms include low oil level warnings and potential engine damage if not addressed.
  • Solution: Dealer oil consumption test, potential engine component replacement (piston rings, valve seals).
  • Estimated Cost to Fix: $500 - $5000+ (depending on the extent of the damage)
  • Recalls: None Found

Transmission

8-Speed Automatic (paired with 2.5L GDI)

• Harsh Shifting
  • Description/Symptoms: Some owners experience harsh or jerky shifting, particularly between lower gears.
  • Solution: Software update, transmission fluid flush, or valve body replacement.
  • Estimated Cost to Fix: $100 - $1500+
  • Recalls: None Found

8-Speed Dual Clutch Transmission (DCT) (paired with 2.5L Turbo GDI)

• Hesitation/Jerking at Low Speeds
  • Description/Symptoms: A common complaint is hesitation or jerking, especially when starting from a stop or maneuvering at low speeds. This is characteristic of DCTs but can be more pronounced in some vehicles.
  • Solution: Software update, clutch recalibration, or (in rare cases) clutch replacement.
  • Estimated Cost to Fix: $100 - $3000+ (depending on the needed repair)
  • Recalls: None Found

Hybrid Transmission (paired with 1.6L Turbo GDI Hybrid)

• No Issues Found

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: Infotainment system freezing, crashing, or experiencing lag.
  • Solution: Software update, replacement of the infotainment unit.
  • Estimated Cost to Fix: $0 (if software update is covered under warranty) - $1000+ (for unit replacement)
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Premature battery drain, especially if the vehicle sits for extended periods.
  • Solution: Software update, parasitic draw diagnosis and repair, battery replacement.
  • Estimated Cost to Fix: $150 - $500+
  • Recalls: None Found
• Blind Spot Monitoring System Failures
  • Description/Symptoms: The blind spot monitoring system may malfunction or intermittently fail to detect vehicles in the blind spot.
  • Solution: Sensor replacement, software update.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found

Exterior

• Automatic Tailgate Malfunctions
  • Description/Symptoms: Automatic tailgate not opening, closing, or opening partially on its own.
  • Solution: Sensor replacement, motor replacement, or programming.
  • Estimated Cost to Fix: $200 - $700+
  • Recalls: None Found

Interior

• Rattling/Squeaking Noises
  • Description/Symptoms: Rattling or squeaking noises emanating from the dashboard, door panels, or rear cargo area.
  • Solution: Identify and insulate the source of the noise (clips, foam padding, etc.).
  • Estimated Cost to Fix: $50 - $300+ (depending on the complexity)
  • Recalls: None Found
• Driver Assistance Systems - False Positives/Sensitivity
  • Description/Symptoms: Owners have complained about the driver assistance systems (lane keep assist, forward collision avoidance) being overly sensitive and providing false warnings or unnecessary interventions.
  • Solution: Adjustment of system sensitivity settings (if available), software update.
  • Estimated Cost to Fix: $0 (if adjustable by the user) - $200+ (for software update)
  • Recalls: None Found

Suspension

• No Issues Found

Summary

The 2021 Kia Sorento, while a generally reliable vehicle, has demonstrated some common issues reported by owners. The engine and transmission issues, particularly related to the 2.5L Turbo and the DCT, appear to be the most concerning. Electrical glitches and interior noises also contribute to owner complaints. The severity and cost of repairs can vary significantly, from minor software updates to potentially expensive engine or transmission work. It is crucial to have a pre-purchase inspection performed by a qualified mechanic to identify any potential issues before buying a used 2021 Kia Sorento.