What are the main advantages of the K9K 728 engine?

Strong performance for the displacement - 240 Nm of torque gives good overtaking ability and highway confidence Maintains reasonable fuel economy despite the higher power output compared to lower K9K variants Well-proven K9K architecture provides solid reliability with a strong service track record Turbocharger calibrated for a good balance of response and durability - good driving characteristics in real use Wide parts availability across the K9K family makes this a practical and cost-effective choice

What are common issues and problems with the K9K 728?

Higher boost pressure requires premium oil specifications - don't substitute cheaper alternatives Turbocharger is more sensitive to oil quality and change intervals at higher boost levels - strict maintenance is essential DPF system requires attention - regular motorway driving needed for proper regeneration EGR valve cleaning every 80,000–100,000 km remains important at this power level Timing belt replacement every 100,000–120,000 km is critical - never delay this service

What torque does the K9K 728 engine produce?

The K9K 728 engine produces 240 Nm.

What is the compression ratio of the K9K 728 engine?

The compression ratio of the K9K 728 engine is 17.5:1.

How much displacement does the K9K 728 engine have?

The K9K 728 engine has 1.5L (1461 cc) of displacement.

What is the fuel consumption of the K9K 728 engine?

Reported fuel consumption for the K9K 728 engine is 4.2-4.9L/100km.

Renault K9K 728 Engine Specs

Renault

Quick overview

Renault K9K 728 is a 1.5L (1461 cc) diesel engine with 240 Nm, 17.5:1 compression ratio. Fuel consumption: 4.2-4.9L/100km. Typical service life: 300000+.

↗ 1.5 dCi (K9K)

1.5L (1461 cm³)

Displacement

240 Nm @ 1750 RPM

Torque

Diesel

Fuel

Description

High-output K9K variant with larger turbocharger and enhanced fuel system. Features improved intercooler design and optimized engine management for increased power while maintaining reasonable fuel consumption.

General Information

Production Years: 2007-2016

Fuel Type: Diesel

Environmental Standards: Euro 4, Euro 5

Fuel Consumption: 4.2-4.9L/100km (48-56 mpg)

Displacement: 1.5L (1461 cm³) (89.2 cu.in)

Torque: 240 Nm @ 1750 RPM (177-1291 lb-ft)

Has Turbo: Yes

Aspiration Type: Inline-4

Cylinders Count: 4

Technical Details

Compression Ratio: 17.5:1

Hydraulic Lifters: No

Maintenance

Service Life (km): 300000+ (186,411 miles)

Scores

Reliability

Economy

Power

Values 1–100. Calculated from engine specs.

Advantages

+ Strong performance for the displacement - 240 Nm of torque gives good overtaking ability and highway confidence
+ Maintains reasonable fuel economy despite the higher power output compared to lower K9K variants
+ Well-proven K9K architecture provides solid reliability with a strong service track record
+ Turbocharger calibrated for a good balance of response and durability - good driving characteristics in real use
+ Wide parts availability across the K9K family makes this a practical and cost-effective choice

Pay Attention

! Higher boost pressure requires premium oil specifications - don't substitute cheaper alternatives
! Turbocharger is more sensitive to oil quality and change intervals at higher boost levels - strict maintenance is essential
! DPF system requires attention - regular motorway driving needed for proper regeneration
! EGR valve cleaning every 80,000–100,000 km remains important at this power level
! Timing belt replacement every 100,000–120,000 km is critical - never delay this service

Used in Vehicles

Renault Mégane III (2008-2016)

Renault Scénic III (2009-2016)

Nissan Qashqai J10 (2007-2013)

Nissan Juke F15 (2010-2014)