Since 2007, the company has assembled the 2.5-liter 16-valve Renault 2TR gasoline engine, which has been fitted to the well-liked Koleos crossover since its initial generation. Essentially, this power unit was merely a replica of the Japanese Nissan QR25DE engine.
B4A, B4D, H4D, H4M, M4R, M5R, 2TR, V4U, and V4Y are the SCe line.
Specifications
| Production years | since 2007 |
| Displacement, cc | 2488 |
| Fuel system | distributed injection |
| Power output, hp | 170 – 185 |
| Torque output, Nm | 225 – 245 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 89 |
| Piston stroke, mm | 100 |
| Compression ratio | 9.6 |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | chain |
| Phase regulator | at the intake, after 2016 on both shafts |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.1 |
| Fuel type | petrol |
| Euro standards | EURO 4/5/6 |
| Fuel consumption, L/100 km (for Renault Koleos 2010) — city — highway — combined |
11.2 7.7 8.9 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 125 |
The engine was installed on:
- Renault Koleos 1 (HY) in 2007 – 2016; Koleos 2 (HC) since 2016.
Disadvantages of the Renault 2TR engine
The QR25DE issues from the initial years had no bearing on this unit, which debuted in 2007.
Preventing overheating is crucial because in this case, the gasket is instantly broken and the cylinder head is led.
Many encounter an oil burner after 100,000 kilometers of running because of rings.
Additionally, there is no resource difference in the timing chain, which frequently needs to be replaced by 150,000 kilometers.
The remaining issues are all associated with sensor malfunctions and glitches in the electric throttle.