Renault Clio 3 & Scenic 1.6 K4M engine

Overview of the K4M Engine

The K4M engine is a 1.6-liter, 16-valve, inline-4 petrol engine developed by Renault. It’s part of the K engine family, known for its reliability, smooth performance, and relatively low maintenance needs. With a displacement of 1,598 cc, it produces between 100–115 horsepower depending on the specific variant and vehicle tuning. This engine was widely used across Renault’s model range in the early to mid-2000s, including the Clio III and Scénic I.

Technical Specifications

  • Engine Code: K4M
  • Displacement: 1.6L (1,598 cc)
  • Valvetrain: DOHC, 16-valve
  • Fuel System: Multi-point fuel injection
  • Power Output: ~100–115 hp @ 5,750 rpm
  • Torque: ~148 Nm @ 3,750 rpm
  • Compression Ratio: 9.8:1 – 10.2:1 (depending on version)
  • Timing: Belt-driven camshaft
  • Fuel Type: Petrol
  • Emissions Compliance: Euro 3 to Euro 4 (in later models)

Renault Clio III with K4M Engine

The Renault Clio III, launched in 2005, is a compact hatchback offering practicality, a well-built interior, and refined driving dynamics. The K4M engine in this model delivers a good balance between performance and fuel efficiency. It accelerates smoothly and provides enough power for both city and motorway driving. The 1.6L variant was often paired with either a 5-speed manual or a 4-speed automatic gearbox.

Despite its modest power output, the Clio III feels agile and responsive. The engine’s lightweight aluminum block contributes to better handling, and maintenance access is relatively straightforward.

Renault Scénic I (Phase 2) with K4M Engine

The Renault Scénic, particularly the first-generation facelift model (Phase 2, 2000–2003), also came with the K4M 1.6L engine. As a compact MPV, the Scénic was designed for family use, offering excellent cabin space, modular seating, and safety features.

The K4M engine in the Scénic provides adequate performance for a car of its size, although it prioritizes comfort over sporty performance. It’s reliable for daily commuting and long-distance driving, and relatively economical for an MPV of its era.

Common Issues and Maintenance

The K4M engine is generally robust, but a few known issues include:

  • Coil pack failures
  • Idle control valve malfunction
  • Timing belt replacement interval (every ~60,000–70,000 miles)
  • Oil leaks from the rocker cover gasket

Routine maintenance, including regular oil changes and timely belt replacements, will keep this engine running well past 150,000 miles.

Final Thoughts

Both the Renault Clio III and Scénic I equipped with the K4M engine offer a blend of reliability, decent performance, and practicality. Whether in a compact hatchback or a family-oriented MPV, the K4M engine stands out as a solid, well-engineered power unit from Renault’s early 2000s lineup.