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Nissan VQ engine
Engine
Manufacturer Nissan
aka Type aka here, not up there
Type Gasoline
Production/Introduction introduced in 1995
Status In Production
Displacement 2.0 - 4.0 liters
Aspiration write its type of aspiration
Configuration 60-degree V
Cylinders 6
Fuel System write if it is injected or carburated and the system used
Lubrification indicate the engine's type of lubrification
Output N/A hp @ N/A rpm
N/A lb-ft. of torque @ N/A rpm
Bore in inches
Stroke in inches
Compression write compression ratio here
In. Valves in inches
Ex. Valves in inches
Firing Order Firing order of cylinders
Left Bank Write which cylinders are in this bank (write N/A if it it is inline)
Right Bank (same as above)
Length in inches
Diameter in inches
Width in inches
Height in inches
Dry Weight lbs. / kg.
Fuel Consumption city/highway (mpg & km/L)
Emission/s CO: g/km
CO2: g/km
NOx: g/km
Hydrocarbon: g/km
Particulate: g/km
Chief Engineer write here

The VQ engine family is one of the best engine designs that Nissan has ever created. This engine was introduced in the 1995 Nissan Maxima. Since then this engine has been used everywhere in Nissan's lineup as well as their luxury division Infiniti. In 1995, with the introduction of Wards Auto: Ten Best Engine list, the VQ30DE won its first award and the 1995 Maxima was the car that help launch Nissan's venerable VQ series into its legendary status. The next generation VQ powerplant, which was introduced in the 2001 Nissan Pathfinder, was tweaked to 3.5L and in that turn made more horsepower and more torque than the original VQ30DE.

VG35HR, VQ35DEEdit

This engine is seen in such Nissan/Infiniti products such as the Nissan 350Z, Altima, Maxima, Quest and Murano, Infiniti's G35 sedan/coupe, M35 and FX35. When the VQ35DE was introduced it kept winning praises for its smoothness and kept winning Wards Auto's Ten Best Engine's list. The second generation VQ series engine is designated as the VQ35HR (HR meaning High Rev). This engine is 80% new with twin air intakes (for the 2007 Infiniti G35 sedan and 2007 Nissan 350Z) and single air intake (recently introduced in the 2007 Nissan Altima 3.5SE/SL sedans) and it recently won Wards Auto Ten Best Engine list. It has a better powerband than the previous generation VQ35DE and it revs higher, 7500rpm's compared to 7000rpm's and makes more horsepower than the VQ35DE, 306hp vs. 287-300hp.

Another engine was then based on the original VQ35DE powerplant and is used only in Nissan's midsize truck and suv lineup. Its designation is called VQ40DE. Now this particular engine is based on the 350Z engine block and it was tweaked to 4.0L. This engine is as smooth as the VQ35DE and it makes more torque for truck applications. This engine can be seen in Nissan's Frontier, Pathfinder and Xterra lineup, with varying horsepower and torque figures.

VQ37HREdit

A VQ37HR will not be used in the up and coming Nissan Skyline GT-R, instead the VR engine family, with twin turbos making 450hp will be used with the next generation ATTESA-ETS all wheel drive, which is seen on the current FX35/45 sport cross over SUV's, (will be introduced in Japan in 2008 and the North America market in 2009) The VQ37HR will be used for the next generation Infiniti G-coupe (likely rumored as G37 dropping the G35 name that is shared with the 2007 Infiniti G35 sedan). As well as a new the next generation M and FX class will have this new engine. Most likely the name will change to M37 and FX37 to replace the current M35 and FX35 respectively. And Nissan has already tradmarked the G37, M37 and FX37 designation so it will likely be seen in the next generation of these vehicles.

Speaking of the new G-coupe, rumor has it that it will not share components with the recently introduced G35 sedan and will likely become Infiniti's hallow car when Nissan introduces the Skyline GT-R (designation in North America will likely be GT-R) in Japan next year. Little is known about this new VQ series engine but it will most likely be introduced in the up coming Nissan Maxima for the 2009 model year, since the new Altima has replaced the Maxima as the mainstream sedan.

VQ25DEEdit

This engine is similar to the VQ20DE, but has a 2.5 L (2495 cc) displacement. Bore and stroke are 85 mm and 73.3 mm, with a compression ratio of 9.8 to 10.3:1. It produces 190 PS (140 kW; 190 hp) to 210 PS (150 kW; 210 hp) @6400 rpm and 174 to 195 lb·ft (236 to 264 N·m) of torque. Later versions produce 186 PS (137 kW; 183 hp) @6000 rpm and 171 lb·ft (232 N·m) @3200 rpm.

VQ40DEEdit

The VQ40DE is a 4.0 L (3954 cc) variant of the VQ35DE due to a longer stroke. Bore and stroke are 95.5 × 92.0 mm.

Improvements include continuously variable valve timing, variable intake system, silent timing chain, hollow and lighter camshafts and friction reduction (microfinished surfaces, moly coated pistons). It has Nissan's direct ignition system with platinum-tipped spark plugs. It produces 265 PS (195 kW; 261 hp) to 274 PS (202 kW; 270 hp) @5600 rpm and 281 lb·ft (381 N·m) to 291 lb·ft (395 N·m) @4000 rpm.

It is fitted to the following vehicles:


  • 2005–present Nissan Frontier (261 hp @5600 rpm; 281 lb·ft (381 N·m) @4000 rpm)
  • 2005–present Nissan Xterra (261 hp @5600 rpm; 281 lb·ft (381 N·m) @4000 rpm)
  • 2005–present Nissan Pathfinder (270 hp @5600 rpm; 291 lb·ft (395 N·m) @4000 rpm)
  • 2009–present Suzuki Equator (261 hp @5600 rpm; 281 lb·ft (381 N·m) @4000 rpm)

FutureEdit

The next generation of VQ engines like the VQ35HR, VQ40DE and the VQ37HR will continue the legendary status of the original VQ30DE motor. And these engines will likely be seen doing work under the hoods of future Nissan/Infiniti products is a good sign that their is no stopping Nissan in making their mark as a reliable automobile manufacturer but also a manufacturer that is building with a legendary status called the VQ-series engine.

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See AlsoEdit

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