Kia K4

Engine power and kerb weight are registration-weighted averages of the Kia K4 registered in the EU/EEA in 2025 (347 cars), engine power from 6 countries, kerb weight from 7 countries. Source: EEA CO₂ monitoring (CC BY 4.0).

Engine power is the type-approved engine power (EEA field Ep). For hybrids and plug-in hybrids it is the power of the combustion engine, not the system power, and for electric cars it can differ from the peak power the manufacturer advertises.

New registrations by country (2025)

Number of Kia K4 cars registered for the first time across 7 European countries in 2025.

Source: EEA CO₂ monitoring (CC BY 4.0), 2025 data.

Other Kia models

Similar Sedan models

Common problems & reliability

US owners have filed 60 complaints for the Kia K4, most often about unknown or other, electrical system, lane departure, steering. These are owner-reported issues, useful for spotting recurring weaknesses before you buy.

Based on real owner complaints and inspection data, not an editorial rating. Sources: NHTSA (US, public domain).

Recalls & safety

1 recall campaign recorded in the EU Safety Gate (European market) and 3 in the US-market NHTSA database for the Kia K4. Recalls can flag known weaknesses of the model.

• Passenger carEU · Safety Gate (Belgium)

  The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

  EU Safety Gate · alerted 2026-07-24

• SEAT BELTS:REAR/OTHER:ANCHORAGEUS · NHTSAModel year 2026

  Kia America, Inc (Kia) is recalling certain 2027 Kia Telluride and 2026 Kia K4 vehicles. The rear center seat belt anchor buckle in the 2026 K4 and the third-row center seat belt anchor buckle in the 2027 Telluride may not latch properly.

  Remedy: Dealers will inspect and replace the anchor buckle assembly, as necessary, free of charge. Owner notification letters were mailed May 5, 2026. Owners may contact Kia at 1-800-333-4542. Kia's number for this recall is SC364. Vehicle Identification Numbers (VINs) involved in this recall will become searchable on NHTSA.gov beginning March 20, 2026.

  NHTSA campaign 26V135000 · reported 07/03/2026

• ENGINE AND ENGINE COOLING:CRITICAL FASTENERSUS · NHTSAModel year 2025

  Kia America, Inc. (Kia) is recalling certain 2025 K4 and Sorento vehicles. The connecting rod bolts in the engine may have been improperly tightened, which can cause a loss of drive power.

  Remedy: Dealers will replace the sub engine assembly, free of charge. Owner notification letters are expected to be mailed September 12, 2025. Owners may contact Kia customer service at 800-333-4542. Kia's number for this recall is SC349.

  NHTSA campaign 25V548000 · reported 25/08/2025

• ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANELUS · NHTSAModel year 2025

  Kia America, Inc. (Kia) is recalling certain 2025 Kia K4, 2025-2026 Sorento, Sorento Hybrid, Sorento Plug-In Hybrid Electric (PHEV), 2026 Sportage, Sportage Hybrid, Sportage PHEV, K5, EV9, Carnival, and Carnival Hybrid vehicles. Due to a software error, the instrument panel display may fail. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 101, "Controls and Displays" and 138, "Tire Pressure Monitoring System."

  Remedy: The instrument panel display software will be updated over-the-air (OTA) or by a dealer, free of charge. Owner notification letters are expected to be mailed March 26, 2026. Owners may contact Kia Customer Service at 1-800-333-4542. Kia's number for this recall is SC361. Vehicle Identification Numbers (VINs) involved in this recall will become searchable on NHTSA.gov on February 9, 2026.

  NHTSA campaign 26V046000 · reported 27/01/2026

Sources: EU Safety Gate (European market) and NHTSA (US market). See all Kia recalls.