QR25DE

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2.5 Straight 4 (QR25DE) – E52

Performance

  • 175hp (130kW) @ 6000rpm
  • 180lb-ft (244Nm)

Details

  • Capacity – 2488cc
  • Bore – 89mm
  • Stroke – 100mm
  • Block – ???
  • Cylinder Heads – Aluminium

This engine has cast steel connecting rods, steel timing chain, counter-rotating balance shafts and an aluminium intake manifold. There were several recalls of this engine due to excessive oil consumption causing failure of the exhaust manifold catalyst. The cause has been identified as a combination of proximity of piston ring placement towards the crown of the piston, overheating of the piston rings, failure of piston rings seating correctly and the long stroke distance of the piston.

Alternate Vehicles with this engine

  • Nissan Cefiro (1994-1998)
  • Nissan Cefiro (2000-2003)
  • Nissan Leapard (1996-1999)
  • Nissan Cedric (1997-1999)
  • Nissan Fuga 250GT & 250XV (2004-2007)
  • Infiniti M (2004-2007)
  • Nissan Teana (2008->)
  • Renault Samsung SM5 (2010->)
  • Renault Latitude (2010->)