The Renault G9T 720 is a 1,749 cc, inline‑four turbo‑diesel engine produced between 2018 and 2023. It features a high — pressure common — rail fuel system, a variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC). In standard form, it delivers 96 kW (130 PS) and 340 Nm of torque, engineered for responsive performance in Renault's SUV and van segments.
Fitted primarily to the Kadjar SUV and Trafic van, the G9T 720 was engineered for a balance of urban agility…
Production years 2018–2023 meet Euro 6d-TEMP standards .
The Renault G9T 720 is a 1,749 cc inline‑four turbo‑diesel engineered for SUV and light commercial vehicles (2018-2023). It combines a high-pressure common-rail system with a variable-geometry turbocharger to deliver strong low-end torque and efficient cruising. Designed to meet Euro 6d-TEMP standards, it balances everyday performance with stringent emissions control.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,749 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 80.0 mm × 87.5 mm | |
Power output | 96 kW (130 PS) | |
Torque | 340 Nm @ 1,500 rpm | |
Fuel system | Denso HP4 common-rail (up to 2,000 bar) | |
Emissions standard | Euro 6d-TEMP | |
Compression ratio | 15.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single variable‑geometry turbo (Mitsubishi Heavy Industries) | |
Timing system | Chain-driven | |
Oil type | Renault RN0720 (SAE 5W‑30) | |
Dry weight | 168 kg |
The Renault G9T 720 was used across Renault's SUV and LCV platforms with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts in the Trafic for load-bearing capacity-and no major facelift revisions occurred during its production, ensuring broad parts interchangeability. All adaptations are documented in OEM technical bulletins.
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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 G9T 720 is generally robust, with its main reliability concerns centered on its emissions systems (AdBlue, DPF, EGR). With proper maintenance, use of correct fluids, and regular longer drives to facilitate system regeneration, it can be a dependable engine. Neglecting these systems is the primary cause of major failures.
The most frequent issues are AdBlue injector/pump failures, DPF clogging from short trips, and EGR valve carbon buildup. Turbo actuator faults are also documented. These are all related to the engine's sophisticated emissions control systems required for Euro 6 compliance.
The G9T 720 1.7 dCi 130 engine was used in the Renault Kadjar SUV and Trafic van from 2018 to 2023. It was also fitted to the Nissan Qashqai (J11 generation) during the same period as part of the Renault-Nissan alliance.
Yes, ECU remapping is possible and can yield modest power and torque gains (e.g., +15-25 kW). However, this increases stress on the turbo, clutch, and emissions systems. Any tuning should be performed by a specialist familiar with the G9T platform and its limitations.
Official combined figures are around 5.0-5.5 L/100km (51-56 mpg UK). Real-world economy varies significantly: expect 6.0-7.0 L/100km (40-47 mpg UK) in city driving and 4.5-5.0 L/100km (56-62 mpg UK) on highways. Short trips with frequent DPF regenerations will lower economy.
Yes. The G9T 720 is an interference engine. If the timing chain were to fail or jump, the pistons would collide with the open valves, causing catastrophic internal engine damage. Fortunately, the timing chain is generally very durable on this engine.
Renault mandates the use of RN0720 specification oil, typically a 5W-30 low-SAPS (low ash) synthetic. This is critical for protecting the turbocharger and ensuring the longevity of the DPF and SCR systems. Using the wrong oil can lead to premature component failure.
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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