The Suzuki N32A is a 1,586 cc, inline — four petrol engine produced between 2006 and 2018. It featured an all — aluminum construction with multi — point fuel injection and dual overhead camshafts (DOHC) with VVT (Variable Valve Timing), delivering 86 — 100 kW (115 — 134 PS) and 144 — 156 Nm of torque. The compact design provided efficient power delivery for small to mid — size vehicles while maintaining excellent fuel economy.
Fitted to models such as the Suzuki Swift Sport, SX4,…
Suzuki
Production years 2006-2009 meet Euro 4 standards; 2010-2018 models achieve Euro 5 compliance with updated engine management .
The Suzuki N32A is a 1,586 cc inline-four petrol engine engineered for compact and mid-size vehicles (2006-2018). It combines multi-point fuel injection with DOHC and VVT technology to deliver responsive performance and excellent fuel economy. Designed to meet Euro 4 and later Euro 5 standards, it balances everyday performance with environmental compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,586 cc | |
Fuel type | Petrol | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 78.0 mm × 83.0 mm | |
Power output | 86-100 kW (115-134 PS) | |
Torque | 144-156 Nm @ 4,400 rpm | |
Fuel system | Multi-point fuel injection | |
Emissions standard | Euro 4 (2006-2009); Euro 5 (2010-2018) | |
Compression ratio | 11.0:1 | |
Cooling system | Water-cooled | |
Turbocharger | Not applicable | |
Timing system | Chain-driven | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 105 kg |
The Suzuki N32A was used across Suzuki's Swift, SX4, and Vitara platforms with transverse mounting and exclusive to Suzuki models. This engine received platform-specific adaptations-revised intake manifolds in the Swift Sport and enhanced cooling systems in the Vitara-and from 2010 the facelifted SX4 featured improved VVT components, creating 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.
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 N32A is generally reliable when properly maintained, though early models (pre-2010) had VVT solenoid issues. Post-2010 engines with revised components have proven more durable. Regular oil changes and ignition system maintenance are essential for long-term reliability.
The most common issues include VVT solenoid failure (pre-2010 models), ignition coil degradation causing misfires, catalytic converter degradation, and oil consumption in high-mileage engines. These are well-documented in Suzuki service bulletins.
The 1.6L N32A was used in the Suzuki Swift Sport (2006-2017), SX4 (2006-2013), and Vitara (2015-2018). The engine was tuned differently for each application, with the Swift Sport receiving the highest power output at 100 kW (134 PS).
The N32A has moderate tuning potential. Basic improvements include a free-flow exhaust, high-flow air filter, and ECU remapping, which might yield 10-15 kW gains. The Swift Sport variant already has a performance-oriented tune, leaving less room for improvement without extensive modifications.
Fuel economy is good for a naturally aspirated 1.6L engine. In a Swift Sport, typical consumption is approximately 7.5 L/100km (city) and 5.5 L/100km (highway), or about 38-45 mpg UK combined. The heavier SX4 and Vitara typically return 1-2 L/100km worse economy across all driving conditions.
No. The N32A is a non-interference engine, meaning if the timing chain fails, pistons will not contact open valves. While this prevents catastrophic engine damage, timing chain failure will still render the engine inoperable and require immediate repair.
Suzuki specifies API SM/SN 5W-30 oil for the N32A engine. This viscosity provides optimal protection for the engine's bearings and ensures proper operation of the VVT system. Oil changes should be performed every 10,000 km or 6 months, whichever comes first.
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.