Before buying a used 2025 Kia K4, check whether recall repairs were completed, how it scored in crash tests and what owners report most often. Ask the seller for service records covering any recall listed below.
2025 KIA K4 4 DR FWD
Source: NHTSA New Car Assessment Program.
A 0–100 grade from public NHTSA data — higher means fewer reported problems. How it's calculated
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46 complaints filed with NHTSA (10 involving a crash, 0 a fire). Most-reported areas:
Source: NHTSA owner complaints. Complaints are unverified reports, not confirmed defects.
| Version | City | Highway | Combined |
|---|---|---|---|
| K4 — Auto (AV-S1), 4 cyl, 2.0 L, with DMS | 8.1 L/100 km (29 mpg) | 6 L/100 km (39 mpg) | 7.1 L/100 km (33 mpg) |
| K4 — Auto (AV-S1), 4 cyl, 2.0 L | 7.8 L/100 km (30 mpg) | 5.9 L/100 km (40 mpg) | 6.9 L/100 km (34 mpg) |
| K4 — Auto (S8), 4 cyl, 1.6 L, Turbo, SIDI | 9 L/100 km (26 mpg) | 6.5 L/100 km (36 mpg) | 8.1 L/100 km (29 mpg) |
Source: U.S. EPA / fueleconomy.gov. Converted to L/100 km for Canadian buyers.
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.
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.
Source: U.S. NHTSA. Canadian-market vehicles can have different recalls — check Transport Canada's recall database. Always confirm recall status for a specific VIN with a dealer.