Nissan KR20DDET engine
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The 2.0-liter Nissan KR20DDET 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.
Specifications of the Nissan KR20DDET 2.0 VC-Turbo engine
| Exact volume | 1970 – 1997 cm³ |
| Supply system | combined injection |
| Internal combustion engine power | 250 - 272 HP |
| Torque | 380 Nm |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Bore | 84 mm |
| Piston stroke | 88.9 - 90.1 mm |
| Compression ratio | 8.0 – 14.0 |
| Features of the internal combustion engine | ATR |
| Hydraulic compensators | no |
| Timing drive | chain |
| Phase regulator | on both shafts |
| Turbocharging | Garrett MGT2056Z |
| What kind of oil to pour | 4.7 liters 5W-30 |
| fuel type | AI-95 |
| Environmental class | EURO 6 |
| Approximate resource | 220 000 km |
The weight of the KR20DDET engine according to the catalog is 137 kg
The engine number KR20DDET is located at the junction of the block with the box
Fuel consumption internal combustion engine Infiniti KR20DDET
For example, the 50 Infiniti QX2020 with a CVT:
| City | 10.5 liters |
| Track | 7.6 liters |
| Mixed | 8.6 liters |
Which models are equipped with the KR20DDET 2.0 l engine
| QX50 2 (P71) | 2017 - p.t. |
| QX55 1 (J55) | 2021 - p.t. |
| QX60 2 (L51) | 2021 - p.t. |
| Altima 6 (L34) | 2018 - p.t. |
Disadvantages, breakdowns and problems of the KR20DDET internal combustion 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 eliminates carbon deposits on the intake valves
It is necessary to adjust the valve clearances every 100 km, there are no hydraulic lifters
The main problem of the unit is where to fix the compression ratio change system
