The Vauxhall G9U 730 is a 2,188 cc, inline‑four turbo‑diesel engine produced between 2010 and 2019 under licence from Renault. It features dual overhead camshafts (DOHC), 16 valves, and a variable geometry turbocharger (VGT) with intercooler. In standard form it delivered 95 kW (130 PS) at 4,000 rpm and 320 Nm of torque at 1,750 rpm, providing strong low — end pull for mid — size vans and crossovers.
Fitted to models such as the Vivaro A and Zafira Tourer, the G9U 730 was enginee…
All production years 2010–2019 meet Euro 5 standards .
The Vauxhall G9U 730 is a 2,188 cc inline‑four turbo‑diesel engine engineered for light commercial and MPV applications (2010–2019). It combines DOHC 16-valve architecture with a variable geometry turbocharger to deliver robust low-RPM torque and highway refinement. Designed to meet Euro 5 emissions standards, it balances load-carrying capability with fuel efficiency.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,188 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged (VGT) | |
Bore × stroke | 84.0 mm × 99.0 mm | |
Power output | 95 kW (130 PS) @ 4,000 rpm | |
Torque | 320 Nm @ 1,750 rpm | |
Fuel system | Bosch CP4.2 common-rail (up to 1,800 bar) | |
Emissions standard | Euro 5 | |
Compression ratio | 15.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Variable geometry turbo (Garrett VNT17) | |
Timing system | Chain (maintenance-free design) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 168 kg |
The Vauxhall G9U 730 was used across Vauxhall's Vivaro A and Zafira Tourer platforms with longitudinal mounting and licensed from Renault. This engine received platform-specific adaptations—reinforced engine mounts in the Vivaro for payload stability and revised cooling ducts in the Zafira Tourer—and from 2015 the clutch and flywheel assembly was upgraded to address driveline shudder, creating service part distinctions. All adaptations are documented in OEM technical bulletins.
Engine Finders UK Ltd, which operates EngineCode.uk, can pass your enquiry to engine suppliers in the UK. The service is for vehicles in the United Kingdom, with UK delivery or fitting. This is a commercially connected service, and sending an enquiry does not confirm diagnosis or compatibility.
Diagnostic reminder: If a technician has recommended replacing the engine, you can send an enquiry to engine suppliers in the UK. Confirm the diagnosis first: an engine-code record does not diagnose a fault.
Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The G9U 730 is robust for commercial and family use but requires disciplined maintenance. Its chain-driven valvetrain avoids timing belt costs, but the dual-mass flywheel is prone to wear under heavy loads. Using ACEA B4 oil and servicing every 15,000 km or annually helps prevent most issues. Post-2015 revisions improved flywheel longevity.
Top issues include dual-mass flywheel failure, EGR cooler leaks, Bosch CP4.2 pump wear, and turbo actuator faults. These are well-documented in Vauxhall service bulletins, especially TIS-13-06-18. Most are preventable with quality diesel, correct oil, and regular servicing.
It was used in the Vivaro A (2010–2019) and Zafira Tourer (2011–2018), both with 130 PS output. This is a licensed Renault G9U variant. All variants meet Euro 5 emissions standards per VCA approval.
Modest gains are possible via ECU remap (+10–15 kW), but the CP4.2 pump and VGT turbo limit potential. Over-tuning risks premature pump or flywheel failure. Most fleet operators prioritise reliability over tuning due to the engine’s commercial orientation.
In a Vivaro 2.2 CDTI, typical consumption is ~7.5 L/100km (city) and ~5.8 L/100km (highway), or about 42 mpg UK combined. Real-world figures range 38–46 mpg (UK) depending on load and driving style.
Yes. The G9U 730 is an interference engine. However, it uses a durable timing chain with no scheduled replacement. Chain failure is rare, but if it occurs, valve-to-piston contact can cause major damage.
Vauxhall specifies ACEA B4 (SAE 5W‑30) diesel-rated oil. This is critical for protecting the Bosch CP4.2 high-pressure pump. Change intervals should not exceed 15,000 km or 12 months, especially in severe service.
Comprehensive technical documentation and regulatory references
EngineCode.uk is operated by Engine Finders UK Ltd. It provides engine-reference information and an optional commercial enquiry service. It is not an official manufacturer website. Check the record's sources and confirm vehicle-specific details before relying on it for parts, repairs or replacement.
Our editorial standard prioritises relevant manufacturer documentation and official regulatory sources. The sources and verification status for a record should be checked alongside the data.
A statement is not verified merely because a source is listed. Where supporting evidence is missing or conflicting, the record should identify that limitation. Please report unsupported or inconsistent information.
Transparency in gaps
A missing or unverified value does not mean the manufacturer has withheld it. We distinguish information not yet verified, information not available to us, and information explicitly not disclosed by the source.
Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
Vehicle Certification Agency (VCA)
UK type-approval authority for automotive products.
Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
GOV.UK: Vehicle Approval
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
Type-approval guidance and documentation.
Records are subject to review and correction. Source links, dates and verification notes should be read with the technical information. Our Editorial and Sourcing Policy explains our standards and review process.
Found an error or missing source? Report a problem with this page. Include the field or statement concerned and a supporting source if available. You can also email corrections@enginecode.uk.
Copyright and permissions
Images and other material may be protected by copyright. Attribution does not by itself grant permission to reuse material. If you believe material on this site infringes your rights, contact copyrights@enginecode.uk with the page URL and details of your claim. We will review the material and take appropriate action.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
Our Privacy Policy explains how Engine Finders UK Ltd uses information from visits, vehicle lookups, enquiries and messages. Our Cookie Policy explains cookies and similar technologies and how to change your choices.
For access, correction, or deletion requests, email: gdpr@enginecode.uk
Trademark Notice
All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.
Ownership and commercial services
EngineCode.uk is owned and operated by Engine Finders UK Ltd. Alongside our reference content, we offer an optional replacement-engine enquiry service through Engine Finders and may identify relevant services provided by businesses connected with us. These commercial connections are disclosed. Using an enquiry service is not required to read our reference content.
Engine Finders UK Ltd operates this website. Our optional enquiry service has a commercial purpose. Our Ownership and Commercial Disclosure explains the relationship between the reference website and that service. Participating suppliers pay a fee or subscription to participate on the network and receive quote requests.
Use this record as a starting point for identification. Specifications and vehicle applications may contain errors or omissions. Confirm the exact engine variant and compatibility using vehicle-specific documentation and a qualified supplier or technician.
All external links open in new tabs. Please verify current availability of resources.