What are the main advantages of the K4M engine?

Outstanding fuel economy typically achieving 6.5-8.0 L/100km in mixed driving conditions across various vehicle applications. Exceptional reliability with many examples exceeding 300,000 km without major issues when properly maintained. Very affordable maintenance costs due to simple design and widespread parts availability throughout Europe and global markets. Smooth power delivery with adequate torque for everyday driving situations in both city and highway conditions. Excellent cold-start performance and stable operation in various climate conditions from Arctic to tropical. Low noise and vibration levels provide comfortable driving experience appropriate for family vehicles. Proven durability in commercial applications including taxis and rental fleets demonstrates fundamental strength. Simple maintenance requirements make it suitable for markets with limited technical infrastructure.

What are common issues and problems with the K4M?

Timing chain tensioner can become noisy with age, though actual failure leading to engine damage is relatively rare. Engine oil consumption may increase on high-mileage examples, particularly those with extended service intervals or poor maintenance. Ignition coil failures are moderately common, causing misfiring, rough running, and increased fuel consumption. Throttle body carbon buildup can cause irregular idle and reduced performance, requiring periodic cleaning. Coolant system components like expansion tanks and radiators have finite lifespans and require replacement. Oxygen sensor failures can affect fuel economy and emissions performance, particularly on high-mileage examples.

What torque does the K4M engine produce?

The K4M engine produces 148 Nm.

What is the compression ratio of the K4M engine?

The compression ratio of the K4M engine is 9.8:1.

How much displacement does the K4M engine have?

The K4M engine has 1.6L (1598 cc) of displacement.

What is the fuel consumption of the K4M engine?

Reported fuel consumption for the K4M engine is 8.2-6.1L/100km.

Renault K4M Engine Specs

Renault

Quick overview

Renault K4M is a 1.6L (1598 cc) petrol engine with 110 HP, 148 Nm, 9.8:1 compression ratio. Fuel consumption: 8.2-6.1L/100km. Typical service life: 300,000+.

110

1.6L (1598 cm³)

Displacement

148 Nm @ 3750 RPM

Torque

Petrol

Fuel

Description

The incredibly successful K4M is Renault's 1.6-liter naturally aspirated engine that became one of the most widely used gasoline engines in Europe and beyond. This versatile four-cylinder engine powered millions of vehicles across the Renault-Nissan Alliance and partner manufacturers, establishing itself as a benchmark for reliability and efficiency in the compact car segment.

Built with modern aluminum construction and sophisticated engine management, the K4M featured multipoint fuel injection, variable valve timing on later versions, and optimized combustion chambers for excellent fuel economy. The engine was designed to provide adequate performance while maintaining low emissions and operating costs.

The K4M's remarkable success stemmed from its perfect balance of performance, economy, and reliability - it delivered sufficient power for everyday driving while achieving excellent fuel economy and requiring minimal maintenance across diverse global markets.

General Information

Production Years: 1999-present

Fuel Type: Petrol

Environmental Standards: Euro 3-5

Fuel Consumption: 8.2-6.1L/100km (38.6-28.7 mpg)

Power (HP): 110

Displacement: 1.6L (1598 cm³) (97.5 cu.in)

Torque: 148 Nm @ 3750 RPM (109-2766 lb-ft)

Cylinder Block Alloy: Aluminum alloy

Cylinder Head Alloy: Aluminum alloy

Has Turbo: No

Engine Layout: I4

Aspiration Type: Naturally Aspirated

Fuel System: Multipoint Fuel Injection

Head Type: DOHC, 16 valves

Timing Drive: Chain

Cooling Type: Liquid cooling

Cylinders Count: 4

Technical Details

Cylinder Diameter: 79.5mm

Piston Stroke: 80.5mm

Total Valves: 16

Firing Order: 1-3-4-2

Weight: 105 kg (232 lbs)

Rings per Piston: 3 (2/1)

Compression Ratio: 9.8:1

Hydraulic Lifters: No

Cylinder Coating: Cast iron sleeve

Minimum Octane: 98

Maintenance

Oil Capacity: 4.8L (5.1 qts)

Recommended Oil: 5W-30 ACEA A3/B4

Operating Temperature: 80-90°C (176-194°F)

Thermostat Temperature: 85-90°C (185-194°F)

Service Life (km): 300,000+ (186 miles)

Timing Belt/Chain Interval: Chain drive - periodic inspection

Scores

Reliability

Economy

Power

Values 1–100. Calculated from engine specs.

Advantages

+ Outstanding fuel economy typically achieving 6.5-8.0 L/100km in mixed driving conditions across various vehicle applications.
+ Exceptional reliability with many examples exceeding 300,000 km without major issues when properly maintained.
+ Very affordable maintenance costs due to simple design and widespread parts availability throughout Europe and global markets.
+ Smooth power delivery with adequate torque for everyday driving situations in both city and highway conditions.
+ Excellent cold-start performance and stable operation in various climate conditions from Arctic to tropical.
+ Low noise and vibration levels provide comfortable driving experience appropriate for family vehicles.
+ Proven durability in commercial applications including taxis and rental fleets demonstrates fundamental strength.
+ Simple maintenance requirements make it suitable for markets with limited technical infrastructure.

Pay Attention

! Timing chain tensioner can become noisy with age, though actual failure leading to engine damage is relatively rare.
! Engine oil consumption may increase on high-mileage examples, particularly those with extended service intervals or poor maintenance.
! Ignition coil failures are moderately common, causing misfiring, rough running, and increased fuel consumption.
! Throttle body carbon buildup can cause irregular idle and reduced performance, requiring periodic cleaning.
! Coolant system components like expansion tanks and radiators have finite lifespans and require replacement.
! Oxygen sensor failures can affect fuel economy and emissions performance, particularly on high-mileage examples.

Used in Vehicles

Renault Clio II 1.6 (1998-2012)

Renault Clio III 1.6 (2005-2014)

Renault Mégane II 1.6 (2002-2009)

Renault Mégane III 1.6 (2008-2016)

Renault Scénic II 1.6 (2003-2009)

Renault Scénic III 1.6 (2009-2016)

Renault Laguna II 1.6 (2001-2007)

Renault Laguna III 1.6 (2007-2015)

Renault Espace IV 1.6 (2002-2014)

Renault Kangoo 1.6 (1997-present)

Renault Logan 1.6 (2004-present)

Renault Sandero 1.6 (2008-present)

Renault Symbol 1.6 (2002-2012)

Renault Fluence 1.6 (2009-2018)

Nissan Almera N16 1.6 (2000-2006)

Nissan Primera P12 1.6 (2002-2008)

Nissan Tiida 1.6 (2004-2012)

Nissan Note 1.6 (2006-2013)

Dacia Logan 1.6 (2004-present)

Dacia Sandero 1.6 (2008-present)

Dacia Duster 1.6 (2010-present)

Dacia Dokker 1.6 (2012-present)

Samsung SM3 1.6 (2002-2009)