Laguna III
1 generation · Select a generation to see engines
Which Renault Laguna III engine is the most reliable? See common problems, reviews and reliability verdicts across generations and engines.
Frequently asked questions
Which Renault Laguna III engine is the most reliable?
1.5 dCi (K9K) — Maint. Sensitive verdict. The 1.5 dCi (K9K) — economical but a little under-engined for the Laguna, and carrying the usual K9K watch-list: injector wear, turbo failure on oil neglect, EGR/DPF clogging. Best for high-mileage motorway drivers; the 2.0 dCi is the better-matched Laguna diesel.
Which Renault Laguna III engines should you avoid?
None of the Renault Laguna III engines listed are rated "Problematic" or "Avoid" — but always check the service history before buying.
What are the most common Renault Laguna III problems?
The most commonly reported problems across all Renault Laguna III generations and engines: Turbo / EGR / DPF, Cam belt (interference, turbo), Cam belt (interference), Turbo / DPF / injection cost, Injector wear.