Produced since 2018, the Renault-Nissan R9N, also known as the 1.7 dCi, is a 1.7-liter diesel engine that powers popular models like the Megane, Scenic, Talisman, Qashqai, and X-trail. The diesel versions, dCi 120 and dCi 150, have 120 horsepower and 300 Nm and 150 horsepower and 340 Nm, respectively.
R9M is another R-series diesel.
The engine was mounted on:
- Renault Kadjar 1 (HA) since 2019;
- Renault Koleos 2 (HC) since 2019;
- Renault Megane 4 (XFB) since 2019;
- Renault Scenic 4 (JFA) since 2018;
- Renault Talisman 1 (L2M) since 2018;
- Nissan Qashqai 2 (J11) since 2019;
- Nissan X-Trail 3 (T32) since 2019.
Specifications
| Production years | since 2018 |
| Displacement, cc | 1749 |
| Fuel system | Common Rail |
| Power output, hp | 120 – 150 |
| Torque output, Nm | 300 – 340 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 80 |
| Piston stroke, mm | 87 |
| Compression ratio | 15.2 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | VNT |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.5 |
| Fuel type | diesel |
| Euro standards | EURO 6d |
| Fuel consumption, L/100 km (for Renault Talisman 2019) — city — highway — combined |
5.7 4.0 4.6 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 167 |
Disadvantages of the Renault R9N engine
This power unit is relatively new, and statistics regarding its malfunctions have not yet been gathered;
The particulate filter and the EGR valve typically have the most issues with such engines;
Modern Renault-Nissan diesel engines frequently have timing chains that extend up to 150,000 kilometers.