3.0 dCi V6 (V9X)
2011–2015 · diesel · 2993cc · 235hp
Engine codes: V9X
Reliability, common problems and owner reviews for the Renault Laguna III 3.0 dCi V6 (V9X). Check this before you buy used.
The 3.0 dCi V6 (V9X) is the rare flagship diesel — torquey and refined, mechanically reasonably sound, but it's a low-volume V6 in a mainstream Renault: parts and specialist knowledge are scarce, and turbo/DPF/injection repairs are expensive. Won't usually fail catastrophically, but ownership cost is the real risk. Only worth it with full history and a specialist on hand.
Known Issues
V6 diesel ancillaries (turbo, DPF, injectors) are expensive and parts are scarce.
Fix / Workaround: Specialist diagnosis; motorway use for DPF; budget for repairs.
Repair cost: €500–€2200
Typically appears after: 150,000 km
Low-volume engine — fewer specialists, pricier parts.
Fix / Workaround: Find a Renault diesel specialist before buying.
0Mileage Thresholds
After 150,000 km: Expensive-repair territory.
Pre-Purchase Checklist
- ☐Full service history essential
- ☐Line up a specialist
- ☐Budget for costly ancillaries
Frequently asked questions
Is the Renault Laguna III 3.0 dCi V6 (V9X) reliable?
Expensive — The 3.0 dCi V6 (V9X) is the rare flagship diesel — torquey and refined, mechanically reasonably sound, but it's a low-volume V6 in a mainstream Renault: parts and specialist knowledge are scarce, and turbo/DPF/injection repairs are expensive. Won't usually fail catastrophically, but ownership cost is the real risk. Only worth it with full history and a specialist on hand.
What are the common problems and reviews for the Renault Laguna III 3.0 dCi V6 (V9X)?
The most commonly reported problems: Turbo / DPF / injection cost, Rarity / parts.
Is a used Renault Laguna III 3.0 dCi V6 (V9X) worth buying?
Won't fail catastrophically, but when things do go wrong the repairs cost a lot. Budget accordingly.