 | This article needs additional citations for verification. (November 2018) |
| Nissan QG engine | |
|---|---|
 QG18DE engine at the Nissan Engine Museum | |
| Overview | |
| Manufacturer | Nissan Machinery (Aichi Kikai) |
| Layout | |
| Configuration | Straight-4 |
| Displacement | 1.3–1.8 L (1,295–1,769 cc) |
| Cylinder bore | 71 mm (2.8 in) 73.6 mm (2.90 in) 76 mm (2.99 in) 80 mm (3.15 in) |
| Piston stroke | 81.8 mm (3.22 in) 88 mm (3.46 in) |
| Cylinder block material | Cast-iron |
| Cylinder head material | Aluminum |
| Valvetrain | DOHC 4 valves x cyl. with VVT |
| Compression ratio | 9.5:1 |
| RPM range | |
| Max. engine speed | 6500 |
| Combustion | |
| Fuel system | Electronic fuel injection MPFI (in QG18DE) Direct injection (optional in NEO Di) |
| Fuel type | Gasoline Natural gas (in QG18DEN) |
| Cooling system | Water-cooled |
| Output | |
| Power output | 87–130 hp (65–97 kW) |
| Torque output | 130–174 N⋅m (96–128 lb⋅ft) |
| Chronology | |
| Predecessor | Nissan GA engine |
The QG engine is a 1.3 L (1,295 cc), 1.5 L (1,497 cc), 1.6 L (1,597 cc) and 1.8 L (1,769 cc) straight-4 piston engine from Nissan. It is a lean-burn aluminum DOHC 4-valve design with variable valve timing and optional NEO Di direct injection.
The QG engines were designed by Nissan's Aichi Kikai division [1] in Japan.
Nissan websites state the QG as standing for "Quality and Green".[2]
- ^ "Archived copy". Archived from the original on 2002-06-01. Retrieved 2007-12-01.
{{cite web}}: CS1 maint: archived copy as title (link) Aichi Machine Industry - ^ [1] Archived October 10, 2008, at the Wayback Machine