Engine Nissan QR25DER

The 2.5-liter Nissan QR25DER engine was produced by the Japanese concern from 2013 to 2017 and was installed on hybrid versions of such models as the Pathfinder, Murano and Infiniti QX60. This motor stands out for its Atkinson economy cycle operation and Roots type compressor.

The QR family also includes internal combustion engines: QR20DE, QR20DD, QR25DE and QR25DD.

The engine was installed on:

  • Nissan Murano 3 (Z52) in 2015 – 2016;
  • Nissan Pathfinder 4 (R52) in 2013 – 2016;
  • Infiniti QX60 1 (L50) in 2013 – 2017.

Specifications

Production years 2013-2017
Displacement, cc 2488
Fuel system distributed injection
Power output, hp 234 (253 together with electric motor)
Torque output, Nm 330 (369 together with electric motor)
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 89
Piston stroke, mm 100
Compression ratio 9.1
Features Atkinson cycle
Hydraulic lifters no
Timing drive chain
Phase regulator on both shafts
Turbocharging Eaton TVS compressor
Recommended engine oil 5W-30
Engine oil capacity, liter 5.8
Fuel type 95
Euro standards EURO 5
Fuel consumption, L/100 km (for Nissan Pathfinder Hybrid 2015)
— city
— highway
— combined
10.9
7.5
8.7
Engine lifespan, km ~250 000

Disadvantages of the QR25DER engine

  • This power unit is afraid of overheating and the cylinder head gasket breaks through it regularly;
  • Violation of the temperature regime quickly leads to the occurrence of rings and oil burn;
  • The use of low-quality fuel greatly reduces the life of lambda probes and catalyst;
  • A short-lived timing chain often stretches and needs to be replaced before 150,000 km;
  • It is also worth noting that some spare parts for this motor are rare and very expensive.

Leave a Reply

Your email address will not be published. Required fields are marked *