The Renault V9X 891 is a 2,993 cc, 60° V6 turbo‑diesel engine produced between 2009 and 2018. It features common rail direct injection, a single variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC) per bank. In standard form it delivers 173 kW (235 PS) and 450 Nm of torque, with higher-output variants reaching 177 kW (241 PS) and 520 Nm.
Fitted to premium models such as the Laguna III, Latitude, and Vel Satis, including the dCi 240 and dCi 250 trims, the V9X 891 was engineered for smooth, refined performance with strong mid-range pull. Emissions compliance was achieved through cooled exhaust gas recirculation (EGR) and a diesel particulate filter (DPF), enabling Euro 5 compliance across all production years.
One documented concern is premature failure of the high-pressure fuel pump (HPFP), highlighted in Renault Service Bulletin 6015B. This issue stems from insufficient lubrication under ultra-low-sulfur diesel conditions and elevated rail pressure demands. From 2013, Renault introduced revised pump internals and updated ECU calibration to mitigate wear.
All production years 2009–2018 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/8912).
The Renault V9X 891 is a 2,993 cc V6 turbo‑diesel engineered for executive sedans and large SUVs (2009–2018). It combines common‑rail direct injection with a single variable‑geometry turbocharger to deliver smooth, high-torque performance and refined cruising. Designed to meet Euro 5 standards, it balances power delivery with emissions compliance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 2,993 cc | |
| Fuel type | Diesel | |
| Configuration | 60° V6, DOHC, 24‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 84.0 mm × 90.0 mm | |
| Power output | 173–177 kW (235–241 PS) | |
| Torque | 450–520 Nm @ 2,000–2,500 rpm | |
| Fuel system | Bosch CP4.2 common‑rail (up to 1,800 bar) | |
| Emissions standard | Euro 5 | |
| Compression ratio | 15.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single variable‑geometry turbo (Garrett) | |
| Timing system | Chain (front‑mounted, dual chains) | |
| Oil type | Renault RN0720 (SAE 5W‑30) | |
| Dry weight | 212 kg |
The VGT turbo provides smooth, linear power delivery ideal for highway cruising but requires strict adherence to 15,000 km oil change intervals using Renault RN0720 (5W-30) to prevent HPFP and turbo bearing wear. The Bosch CP4.2 fuel pump is sensitive to fuel contamination and requires ultra-low-sulfur diesel (EN 590) to avoid premature failure. Extended idling or frequent short trips accelerate carbon buildup in the EGR and DPF systems. Post-2013 models feature updated HPFP internals per Renault SIB 6015B; pre-2013 units benefit from ECU recalibration and fuel system inspection.
Oil Specs: Requires Renault RN0720 (5W-30) specification (Renault SIB 6015B). Equivalent to ACEA C3 but with OEM-specific additives.
Emissions: Euro 5 certification applies to all 2009–2018 models (VCA Type Approval #VCA/EMS/8912).
Power Ratings: Measured under SAE J1349 standards. 177 kW output requires EN 590 diesel with sulfur content <10 ppm (Renault TIS Doc. V9X‑2993).
Renault Technical Information System (TIS): Docs V9X‑2993, SIB 6015B
VCA Type Approval Database (VCA/EMS/8912)
SAE International: J1349 Engine Power Certification Standards
The Renault V9X 891 was used across Renault's Laguna III/Latitude platforms with longitudinal mounting and licensed to Nissan and Infiniti for shared FM platform applications. This engine received platform-specific adaptations—reinforced mounts in the Vel Satis and revised intake manifolds in the Latitude—and from 2013 the facelifted Laguna III Phase 2 adopted updated HPFP and ECU calibrations, creating interchange limits. Partnerships allowed Infiniti's M30d and Nissan's 30d units to share core architecture. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the left cylinder bank near the exhaust manifold (Renault TIS V9X‑2993). The 7th VIN digit indicates engine family ('X' for V9X series). Pre-2013 models use Bosch CP4.2 pumps with black solenoid caps; post-2013 units have grey caps and updated ECU part numbers. Critical differentiation from V6 petrol engines: V9X has DOHC per bank and common-rail injectors. Fuel pump and ECU must match production date—pre-2013 pumps are incompatible with post-2013 calibration due to rail pressure strategy changes (Renault SIB 6015B).
The V9X 891's primary reliability risk is high-pressure fuel pump (HPFP) failure on early builds, with elevated incidence in vehicles using inconsistent fuel quality or extended service intervals. Renault internal data from 2014 indicated a notable share of pre-2013 engines requiring HPFP replacement before 120,000 km, while UK DVSA records show EGR/DPF-related MOT failures in high-mileage urban examples. Short-trip driving and poor-quality diesel accelerate pump and emissions system degradation, making fuel quality and service adherence critical.
Analysis derived from Renault technical bulletins (2012–2016) and UK DVSA failure statistics (2015–2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about RENAULT V9X-891.
Comprehensive technical documentation and regulatory references
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EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
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DVLA: Engine Changes & MoT
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Regulation (EC) No 715/2007
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Commission Regulation (EU) 2017/1151
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