The 2.5-liter Nissan QR25DD engine was produced from 2001 to 2007 at a factory in Japan and is massively found on only one Primera model in a sedan, as well as a station wagon. This power unit was known as very capricious and very demanding on fuel quality.
QR family: QR20DE, QR20DD, QR25DE, QR25DD, QR25DER.
Specifications
| Production years | 2001-2007 |
| Displacement, cc | 2488 |
| Fuel system | NEO-Di direct injection |
| Power output, hp | 170 |
| Torque output, Nm | 245 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 89 |
| Piston stroke, mm | 100 |
| Compression ratio | 10.7 |
| Features | EGR |
| Hydraulic lifters | no |
| Timing drive | two chains |
| Phase regulator | inlet only |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.1 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Nissan Primera 2006) — city — highway — combined |
11.9 7.6 8.7 |
| Engine lifespan, km | ~220 000 |
| Weight, kg | 125 |
The engine was installed on:
- Nissan Primera 3 (P12) in 2001 – 2007.
Disadvantages of the QR25DD engine
- Most complaints about the rapid contamination of injectors or the failure of the high pressure fuel pump;
- Due to the accelerated carbon formation, rings lie down and the oil burn begins;
- There are cases of destruction of the catalyst and stretching of the timing chain even up to 100,000 km;
- The engine does not like low temperatures and in cold winters you can suffer with it;
- Minor problems include thermostat glitches and leaks from under the valve cover.
Frequently asked questions about the Nissan QR25DD
How much power does the Nissan QR25DD make?
The Nissan QR25DD develops 170 hp and 245 Nm of torque.
How much oil does the Nissan QR25DD take and which one?
Engine oil capacity: 5.1 liters. Recommended oil: 5W-30.
Does the Nissan QR25DD have a timing belt or chain?
Timing drive of the Nissan QR25DD: two chains.
Is the Nissan QR25DD turbocharged?
No, the Nissan QR25DD is naturally aspirated.
Does the Nissan QR25DD need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Nissan QR25DD last?
The typical lifespan of the Nissan QR25DD is ~220 000 km with proper maintenance.
What is the fuel consumption of the Nissan QR25DD?
Nissan Primera 2006: city 11.9, highway 7.6, combined 8.7 L/100 km.
What cars was the Nissan QR25DD installed on?
Nissan Primera 3 (P12) in 2001 - 2007.
What are the common problems of the Nissan QR25DD?
Most complaints about the rapid contamination of injectors or the failure of the high pressure fuel pump. Due to the accelerated carbon formation, rings lie down and the oil burn begins. All known problems.
