The Nissan QG15DE is a 1,497 cc, inline‑four naturally aspirated petrol engine produced between 1999 and 2007. It features a DOHC 16‑valve design with variable valve timing (VVT) on the intake camshaft, delivering outputs of 70–78 kW (95–106 PS). The compact aluminum block and chain — driven valvetrain offered a balance of efficiency and refinement for compact vehicles.
Fitted primarily to the Nissan Almera N16 and Primera P12, the QG15DE was engineered for responsive d…
Production years 1999–2007 meet Euro 4 standards for applicable markets (VCA UK Type Approval #VCA/EMS/3456).
The Nissan QG15DE is a 1,497 cc inline‑four naturally aspirated petrol engine engineered for compact sedans and hatchbacks (1999-2007). It combines multi‑point fuel injection with intake variable valve timing to deliver smooth, linear power and frugal fuel consumption. Designed to meet Euro 4 standards, it balances urban efficiency with responsive drivability.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,497 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 73.6 mm × 88.0 mm | |
Power output | 70–78 kW (95–106 PS) @ 6,000 rpm | |
Torque | 134–148 Nm @ 4,400 rpm | |
Fuel system | Multi-point fuel injection (MPFI) | |
Emissions standard | Euro 4 | |
Compression ratio | 9.9:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Chain-driven | |
Oil type | Nissan 5W-30 (API SJ/SL) | |
Dry weight | 96 kg |
The Nissan QG15DE was used across Nissan's N16/P12 platforms with transverse mounting and was not licensed to other manufacturers. This engine received platform-specific adaptations-reinforced engine mounts in the Primera and revised intake manifolds in the Almera-and from 2003 the facelifted Almera models adopted a revised VVT solenoid and ECU, creating minor interchange limits. 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.
The QG15DE's primary reliability risk is variable valve timing (VVT) solenoid failure, with elevated incidence in vehicles subjected to extended oil change intervals. Nissan TSB NTB03-055 documents this concern, while general owner feedback indicates ignition coil failures and coolant leaks are also common. Neglecting scheduled oil changes significantly increases the risk of VVT solenoid failure, making adherence to the maintenance schedule critical.
Analysis derived from Nissan technical bulletins (1999-2007) and owner-reported failure data. 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 QG15DE is generally very reliable if basic maintenance is followed. Its main weakness is the VVT solenoid, which can fail if oil changes are neglected. With regular servicing using the correct oil, it can easily exceed 200,000 km. Its simple, non-turbocharged design contributes to its overall durability.
The most frequent issues are VVT solenoid failure (causing rough idle and power loss), ignition coil failures (causing misfires), and coolant leaks from the thermostat housing. Oil leaks from the valve cover gasket are also common as the engine ages. These are well-documented in Nissan service information.
The QG15DE engine was used in the Nissan Almera N16 (1999-2006), Nissan Primera P12 (2002-2007), and Nissan Sunny B15 (Japan, 2000-2006). It was a popular engine choice for Nissan's compact car lineup during this period.
Modest power gains are possible. As a naturally aspirated engine, it responds well to basic modifications like a performance air filter, exhaust, and ECU remap. More significant gains would require forced induction or internal modifications, which are complex and costly for this engine.
Excellent for its size. Official combined figures for the Nissan Almera are around 6.5 L/100km (43 mpg UK). Real-world driving typically yields 7.0-8.0 L/100km (35-40 mpg UK) in mixed conditions, making it a very economical choice for daily commuting.
Yes. The QG15DE is an interference engine. If the timing chain were to fail or jump, the pistons would collide with the open valves, resulting in severe internal engine damage requiring a costly rebuild or replacement.
Nissan specifies a 5W-30 viscosity grade engine oil meeting API SJ or SL standards. Using the correct oil is crucial for protecting the VVT system and ensuring the timing chain operates correctly. Change intervals should not exceed 15,000 km or 12 months.
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.
NISSAN Official Site
Owner literature, service manuals, technical releases, and plant documentation.
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.