The 4-liter VQ40DE engine has become not only one of the most reliable in the line of Nissan VQ gasoline units, but also the most voluminous in it. This is an enlarged version of the VQ35DE, which received an expansion of volume due to the size of the cylinders and the piston stroke. The power unit appeared in 2005 in the USA, was developed for SUVs, since that time it has been equipped with the largest Nissan cars, as well as the Suzuki Equator until 2013. ICE VQ40DE experts recommend, like other motors in the series. It has a gorgeous resource, which is unusual with modern disposability, the absence of problems and a huge potential for tuning.
Specifications
| Manufacturer | Decherd Powertrain Plant |
| Also called | VQ40 |
| Production years | 2005 |
| Cylinder block alloy | aluminum |
| Fuel system | injector |
| Configuration | V |
| Number of cylinders | 6 |
| Valves per cylinder | 4 |
| Piston stroke, mm | 92 |
| Cylinder bore, mm | 95.5 |
| Compression ratio | 9.7 |
| Displacement, cc | 3954 |
| Power output, hp | 265/5600 269/5600 |
| Torque output, Nm / rpm | 381/4000 390/4000 |
| Fuel type | 95 |
| Euro standards | — |
| Weight, kg | — |
| Fuel consumption, L/100 km (for Pathfinder) — city — highway — combined |
18.7 10.5 13.5 |
| Oil consumption, gr/1000 km | up to 500 |
| Recommended engine oil | 5W-30 / 5W-40 / 10W-30 / 10W-40 |
| Engine oil capacity, liter | 5.1 |
| Oil change interval, km | 15000 (better 7500) |
| Normal engine operating temperature, °C | — |
| Engine lifespan, km — official information — real |
— 400+ |
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