Engine Nissan KR20DDET

The 2.0-liter Nissan KR20DDET (or KR20 for short) or 2.0 VC-Turbo engine has been produced in Japan since 2017 and is used in Altima sedans, but is best known for the Infiniti QX50, QX55 and QX60 crossovers. Such a power unit is distinguished by the presence of a proprietary compression ratio adjustment system.

The KR family also includes an internal combustion engine: KR15DDT.

The engine was installed on:

  • Infiniti QX50 2 (P71) in 2017 – …;
  • Infiniti QX55 1 (J55) in 2021 – …;
  • Infiniti QX60 2 (L51) in 2021 – …;
  • Nissan Altima 6 (L34) in 2018 – …

Specifications

Production years 2017-…
Displacement, cc 1970 – 1997
Fuel system combined injection
Power output, hp 250 – 272
Torque output, Nm 380
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 84
Piston stroke, mm 88.9 – 90.1
Compression ratio 8.0 – 14.0
Features ATR
Hydraulic lifters no
Timing drive chain
Phase regulator on both shafts
Turbocharging Garrett MGT2056Z
Recommended engine oil 5W-30
Engine oil capacity, liter 4.7
Fuel type 95
Euro standards EURO 6
Fuel consumption, L/100 km (for Infiniti QX50 2020)
— city
— highway
— combined
10.5
7.6
8.6
Engine lifespan, km ~220 000
Weight, kg 137

Disadvantages of the KR20DDET engine

  • This turbo engine was produced not so long ago that statistics of its breakdowns were collected;
  • On specialized forums, they regularly complain only about glitches of the Start-Stop system;
  • The combined injection system relieves the engine of deposits on the intake valves;
  • It is necessary to adjust the valve clearances every 100,000 km, there are no hydraulic lifters;
  • The main problem of the engine is where to fix the compression ratio system.

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