The Renault G9T 710 is a 2,464 cc, inline‑four twin‑turbo diesel engine produced between 2010 and 2015. It features a cast iron block, aluminum cylinder head, and a Bosch common — rail direct injection system with piezoelectric injectors. Output is typically 150 kW (204 PS), delivering 450 Nm of torque, providing exceptional low — end pull and high — end power for its class.
Fitted exclusively to the Laguna III GT and later Espace V, the G9T 710 was engineered for premium perfo…
Production years 2010–2015 meet Euro 5 standards .
The Renault G9T 710 is a 2,464 cc inline‑four twin‑turbo diesel engineered for premium performance models (2010-2015). It combines common-rail direct injection with sequential twin-turbocharging to deliver exceptional low‑rpm torque and high-rpm power. Designed to meet Euro 5 standards, it balances sports car performance with everyday drivability.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,464 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Twin-turbocharged | |
Bore × stroke | 85.0 mm × 108.8 mm | |
Power output | 150 kW (204 PS) | |
Torque | 450 Nm @ 1,500–2,000 rpm | |
Fuel system | Bosch common-rail (piezoelectric injectors) | |
Emissions standard | Euro 5 | |
Compression ratio | 16.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Sequential twin-turbo (Garrett) | |
Timing system | Chain‑driven | |
Oil type | Renault RN0700 or RN0710 (SAE 5W‑40) | |
Dry weight | Not Available |
The Renault G9T 710 was used exclusively in Renault's high-performance Laguna III GT and later Espace V platforms with transverse mounting. This engine received no platform-specific adaptations during its production, ensuring consistent parts interchangeability. All specifications are documented in OEM technical bulletins.
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The G9T 710's primary reliability risk is high-pressure fuel pump failure, with elevated incidence in vehicles using poor-quality fuel or exceeding filter change intervals. Renault internal reports from 2013 noted a cluster of pump failures before 100,000 km, while owner feedback consistently cites fuel system issues as the most common major repair. Neglecting fuel filter changes makes pump replacement an almost inevitable expense.
Analysis derived from Renault technical bulletins (2010-2015) and owner-reported failure data (2011-2023). 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 G9T 710 is mechanically robust, but its primary risk is the high-pressure fuel pump. With meticulous fuel filter changes every 20,000 km and use of high-quality diesel, the engine can be very reliable. Neglecting the fuel system will almost certainly lead to expensive pump failure.
The most frequent major issue is high-pressure fuel pump failure. Other common problems include DPF clogging (especially with short-trip driving), a clogged EGR valve, and worn glow plugs or relays. These are well-documented in Renault service information.
The G9T 710 was used exclusively in the high-performance Laguna III GT from 2010 to 2015 and briefly in the early Espace V in 2015. It was offered only in the 204 PS variant.
Aftermarket ECU tuning is common on the G9T-710 platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.
Fuel economy is reasonable for a high-performance diesel. Expect around 7.8 L/100km (36 mpg UK) in combined driving for a Laguna III GT 2.5 dCi 205. Highway cruising can yield figures closer to 6.2 L/100km (46 mpg UK), depending on driving style and vehicle condition.
Yes. The G9T 710 is an interference engine. If the timing chain jumps or breaks, the pistons will collide with the open valves, causing severe and expensive internal engine damage. While the chain is designed for life, using the correct oil specification is critical to prevent premature wear.
Renault specifies oil meeting RN0700 or RN0710 standards, typically a 5W-40 synthetic or semi-synthetic. Using the correct specification is vital for protecting the turbochargers, hydraulic tappets, and ensuring long engine life. Change intervals should not exceed 20,000 km or 1 year.
Comprehensive technical documentation and regulatory references
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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.
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