Nissan KR engine
The KR is a family of straight-4 all-aluminium automobile engines with a variable compression ratio and variable valve timing developed by Nissan.
| Nissan KR engine | |
|---|---|
| Overview | |
| Manufacturer | Nissan Motors |
| Production | 2018- |
| Layout | |
| Configuration | Inline 4 |
| Displacement | 1,997 cc (2.0 L; 121.9 in3) |
| Cylinder bore | 84 mm (3.31 in) (permanently) |
| Piston stroke | 90.1 mm (3.55 in) (8:1 compression) 88.9 mm (3.50 in) (14:1 compression) |
| Block material | Aluminum alloy |
| Head material | Aluminum alloy |
| Valvetrain | DOHC 4 valves x cyl. with VVT |
| Compression ratio | 8:1~14:1 |
| Combustion | |
| Turbocharger | Yes |
| Fuel system | Combined direct injection (GDI) & multi-point indirect electronic injection |
| Fuel type | Gasoline |
| Cooling system | Water-cooled |
| Output | |
| Power output | 248–268 bhp (251–272 PS; 185–200 kW) at 5,600 rpm |
| Torque output | 273–280 lb⋅ft (370–380 N⋅m) at 1,600 – 4,800 rpm |
| Chronology | |
| Predecessor | Nissan VQ35 Nissan QR25 |
KR20DDET
The KR20DDET was announced at the 2016 Paris Motor Show as the VC Turbo which had Nissan's new variable compression technology. The engine was introduced to Nissan's production cars in 2019 in the Infiniti QX50 and the Nissan Altima replacing the previous V6 options.[1]
References
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