The Dacia H4M 440 is a 1,149 cc, inline — four petrol engine produced between 2012 and 2020. It forms part of the Renault — Nissan — Mitsubishi H4M engine family, designed for compact and entry — level applications. Featuring multi — point fuel injection (MPi), DOHC valvetrain, and 16 — valve configuration, it delivers 54 kW (75 PS) at 6,000 rpm and 105 Nm of torque at 3,750 rpm. Its lightweight design and low maintenance needs support Dacia's value — oriented engineering philos…
All production years 2012–2020 meet Euro 5 emissions standards .
The Dacia H4M 440 is a 1,149 cc inline-four petrol engine engineered for compact hatchbacks and utility vehicles (2012–2020). It combines multi-point injection with a DOHC 16-valve layout to deliver reliable urban performance and low running costs. Designed to meet Euro 5 standards, it balances simplicity, fuel economy, and ease of maintenance for budget-conscious drivers.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,149 cc | |
Fuel type | Petrol (Unleaded, 95 RON) | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 75.0 mm × 65.0 mm | |
Power output | 54 kW (75 PS) @ 6,000 rpm | |
Torque | 105 Nm @ 3,750 rpm | |
Fuel system | Multi-point fuel injection (MPi) | |
Emissions standard | Euro 5 | |
Compression ratio | 11.0:1 | |
Cooling system | Water-cooled | |
Turbocharger | Not applicable | |
Timing system | Timing belt (interval: 120,000 km or 6 years) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 98 kg |
The Dacia H4M 440 was used across Dacia's Logan/Sandero platforms with transverse mounting and shared architecture within the Renault-Nissan-Mitsubishi Alliance. This engine received platform-specific adaptations-shorter intake manifolds in the Sandero and revised exhaust routing in the Dokker-and from 2017 the facelifted Sandero Stepway models adopted updated engine management software, creating minor calibration differences. All adaptations are documented in OEM technical bulletins.
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The H4M 440's primary reliability risk is timing belt failure due to tensioner wear, with elevated incidence in hot climates and extended-service vehicles. Renault internal field reports from 2017 indicated a significant number of pre-2017 engines required premature belt replacement before 100,000 km, while VCA MOT data shows increased engine seizure incidents linked to missed services. High ambient temperatures and infrequent full-throttle operation increase carbon buildup and thermal stress, making adherence to service intervals critical.
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 H4M 440 is generally reliable when maintained properly, particularly in terms of fuel system and cylinder head durability. However, pre-2017 models are at higher risk of timing belt failure due to tensioner design flaws. Post-2017 revisions improved reliability. Regular oil changes, coolant service, and strict adherence to the 120,000 km timing belt interval are essential for long-term operation.
The most common issues include timing belt tensioner failure (especially pre-2017), throttle body carbon buildup, coolant leaks from the thermostat housing, and ignition coil degradation. These are documented in Renault service bulletins and field reports. Preventative maintenance significantly reduces the likelihood of major failures.
The H4M 440 was used in the Dacia Sandero (2012–2020), Logan (2012–2020), and Dokker (2012–2020), all badged as 1.2 MPI 75 PS. It was also used in the Renault Clio III (2012–2014). All models meet Euro 5 emissions standards and share the same core engine specifications.
The H4M 440 has very limited tuning potential due to its naturally aspirated design and MPi fuel system. ECU remapping offers minimal gains (typically +5–10 PS) and is not cost-effective. No factory performance variants exist. Modifications are generally not recommended as they can compromise reliability and emissions compliance.
In combined driving, the H4M 440 achieves approximately 6.0–6.5 L/100km (46–49 mpg UK). City driving may see 7.5 L/100km (38 mpg), while highway cruising can reach 5.5 L/100km (51 mpg). Real-world economy depends on driving style, but the engine is efficient for its class and well-suited to urban environments.
Yes. The H4M 440 is an interference engine, meaning that if the timing belt fails, the pistons can collide with open valves, resulting in severe internal damage. This makes timely belt replacement absolutely critical. Any signs of belt wear or tensioner noise should be investigated immediately.
The H4M 440 requires SAE 5W-30 engine oil meeting ACEA A1/B1 or A5/B5 specifications. Renault-approved oils include RN0700. Use of correct oil ensures proper lubrication of the timing chain and valvetrain. Oil should be changed every 15,000 km or 12 months, whichever comes first.
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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