Kia Optima/K5 JF — Reliability

JF 2016–2020 1 engine

Reliability Summary

Engine Nu 1.8 (G4NB) — 72/100 ACCEPTABLE
Known Issues 0

Engine in this model

ACCEPTABLE 72

Nu 1.8 (G4NB)

1.8L NA I4

Elantra/Cerato engine. Generally dependable. Rod bearing concerns at very high mileage.

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