Renault-Nissan 1.5 dCi (K9K)

1.5 dCi (K9K) Engine

The 1.5 dCi (K9K) is a diesel engine manufactured by Renault-Nissan. It has a displacement of 1.5 liters and has been produced since 2010.

Typical Use Cases

Renault Clio: 2010–Present
Renault Megane: 2010–2016
Dacia Duster: 2010–2021
Nissan Qashqai: 2010–2016

This overview summarizes the reliability of the Renault-Nissan 1.5 dCi (K9K), including common issues and cost drivers.

Modern internal combustion engine — Image credit: Unsplash · Unsplash License

Technical Specifications

Manufacturer

Renault-Nissan

Fuel Type

Diesel

Displacement

1.5 L

Production

2010–Present

Power Output

75 hp

Emissions

Euro 5, Euro 6

Reliability Analysis

The engine shows moderate reliability with a risk score of 5.5 out of 10. Injector wear is the main long-term issue, typically at higher mileage.

Conditionally Recommended

Autoscore Verdict

Conditionally Recommended. The risk score of 5.5 reflects manageable injector wear.

Risk Score

5.5

out of 10

Common Problems & Weak Points

Issue	Typical Mileage	Repair Cost (Est.)	Severity
Injector Wear	~140,000 km	€600 – €1200	Medium

Injector Wear

High-mileage K9K engines can develop injector wear, leading to hard starts and smoke. This is a medium-probability issue around 140,000 km and is manageable with proper servicing.

Typical Mileage: 140,000 km

Cost: €600–1200

Buyer's Inspection Checklist

Listen for rough idle or hard starts indicating injector wear.
Check for smoke under acceleration.
Review service history for injector replacements.
Confirm regular fuel filter changes.

Frequently Asked Questions

Is the 1.5 dCi (K9K) engine reliable?

The 1.5 dCi (K9K) has known weak points, but with good maintenance the reliability is solid. See the risk analysis and common problems for specifics. Start a report for a specific car.

How expensive are typical repairs?

Common repairs fall into a mid-range cost band depending on the issue and workshop. Check the cost ranges in the table. Use the used car report for specific listings.

Which model years are best for this engine?

Newer production years often include technical updates. Review the production years and revisions in the specs. Use Car Check for quick screening.

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