Nissan VQ engine

Nissan VQ engine
Overview
Manufacturer	Nissan Motor Company
Production	1994–
Body and chassis
Class	DOHC 60° V6
Powertrain
Engine	2.0 L 2.3 L 2.5 L 3.0 L 3.5 L (3498 cc) 4.0 L
Chronology
Predecessor	Nissan VE engine Nissan VG engine

The VQ engine is a 2.0 L to 4.0 L V6 piston engine from Nissan. It is an aluminum DOHC 4-valve design. Later versions feature variable valve timing. This engine is widely considered to be the world's benchmark V6 engine for its combination of smoothness, reliability and high power output.

VQ20DE

This DOHC 24-valve 2.0 L V6 produces 155 to 160 hp (116 to 119 kW) and 137 to 145 ft·lbf (186 to 197 Nm). It is fitted to the following vehicles:

• 1994-2002 Nissan Cefiro A32 and A33
• 1995-1999 Nissan QX A32

VQ23DE

The VQ23DE produces 127 kW (173 hp) and 225 Nm.

It is used in following vehicles:

• Nissan Teana 230JM-J31

VQ25DE

Similar to VQ20DE, but with 2.5 L displacement. It produces 187 hp (139 kW) and 174 ft·lbf (236 Nm). Fitted to the following:

• 1994-1998 Nissan Cefiro A32

VQ25DD

The 2.5 L VQ25DD uses direct fuel injection, and produces 207 hp (154 kW) and 195 ft·lbf (264 Nm), is used in the following vehicles:

• 1999-2002 Nissan Cefiro A33 (JDM)
• 2001-2005 Nissan Skyline V35, 212 hp (158 kW)

VQ25DET

The VQ25DET is a 2.5 L engine with 280 hp. It is used in the Nissan Stagea 250tRS FOUR V and RX FOUR.

VQ30DD

The 3.0 L VQ30DD features direct injection and produces 240 hp (179 kW) and 227 ft·lbf (308 Nm). It was used in the following:

• 2002-2005 Nissan Skyline V35, 256 hp (191 kW)
• 2001- Nissan Stagea, 260 hp

VQ30DE

The 3.0 L VQ30DE produces 190 to 227 hp (142 to 169 kW) and 205 to 217 ft·lbf (277 to 294 Nm). The VQ30DE was on the Ward's 10 Best Engines list for 1995 through 2001. It is an aluminum open deck block design with microfinished internals and relatively light weight. The VQ30DEK produces 222 hp and was made for the (2000-2001) Nissan Maxima.

The improved VQ30DE used from 2000-2001 adds a true dual-runner intake manifold for better high-end performance compared to some earlier Japanese and Middle-East market versions of this engine. The 1995-1999 US spec VQ30DE was equipped with only a single runner intake manifold.

It is used in the following vehicles:

• 1995-1999 Nissan QX (A32)
• 1994-1998 Nissan Cefiro (A32), 217 hp (162 kW) and 206 ft·lbf (279 Nm)
• 1995-1999 Nissan Maxima(A32), 190 hp (142 kW) and 214 ft·lbf (291 Nm)
• 1996-1999 Infiniti I30(A32), 190 hp (142 kW)
• 2000-2001 Nissan Maxima(A33), 222 hp (166 kW); 227 hp (169 kW) for Aniversary Edition SE
• 2000-2001 Infiniti I30(A33), 227 hp (169 kW)
• 1999-2003 Nissan Bassara U30, 220 hp (164 kW) and 280 Nm
• 1998-2003 Nissan Presage U30, 220 hp (164 kW) and 280 Nm

VQ30DET

The 3.0 L VQ30DET is a turbocharged version. It produces 270 and 280 (from 1997)  hp (209 kW) and 285 ft·lbf (386 Nm).

It is used in the following vehicles:

• Nissan Gloria Y33,Y34
• Nissan Cedric Y33,Y34
• Nissan Leopard Y33

VQ30DETT

The twin-turbo VQ30DETT is an engine used in Nissan's race cars, primarily in the Super GT (formerly the JGTC). First used on the Skyline GT-R race cars during the 2003 season, this engine currently powers the Fairlady Z race cars - homologation rules allow them to use the VQ30DETT in lieu of the stock VQ35DE. Race output of this engine is estimated at around 480 ps or approximately 473 hp (353 kW). A road legal version of VQ30DETT is one of the engines rumored to power the 2007 Nissan GT-R.

The VQ30DETT is used in:

• 2003 Skyline GT-R JGTC race cars
• 2004 Fairlady Z JGTC race cars
• 2005 Fairlady Z Super GT race cars
• 2006 Fairlady Z Super GT race cars

VQ35DE

The 3.5 L (3498 cc) VQ35DE is used in many modern Nissan vehicles. It adds variable valve timing and has a bore of 95.5 mm and stroke of 81.4 mm. Output ranges from 240 hp to 301 hp (179 to 225 kW) and 246 ft·lbf to 287 ft·lbf (334 to 390 Nm).

The VQ35DE is built in Iwaki, Japan and Decherd, TN. It was on the Ward's 10 Best Engines list for 2002 through 2006, the only engine to be on Ward's list every year since its inception.

The VQ35DE has an aluminum engine block and aluminum DOHC cylinder heads. It uses SFI fuel injection, has 4 valves per cylinder with VVT, optimizes opening of intake valves and features forged steel connecting rods, a microfinished one-piece cast camshaft, and Nissan's nylon intake manifold technology. It has low-friction molybdenum-coated pistons. The intake System is a high-flow tuned induction system.

A modified version of the VQ35DE, called the S1 is produced by Nismo for the Fairlady Z S-Tune GT. It produces 300 ps or 285 hp (220 kW) at 7200 rpm - a higher rev-limit than that of the original VQ35DE. The 350Z GT-S concept is equipped with a switchable Novidem supercharger produces around 377bhp with the supercharger switched on, the engine may possibly be reffered to as the VQ35DER if the GT-S goes into production.

The VQ35DE is featured in the following vehicles:

• 2001-2004 Nissan Pathfinder (240 hp)
• 2002-2004 Nissan Maxima (255 hp)
• 2004- Nissan Maxima (265 hp)
• 2003-2006 Infiniti G35 (260 hp to 298 hp)
• Infiniti QX4 (240 hp)
• 2002-2004 Infiniti I35 (255 hp)
• 2003- Nissan 350Z (from 287 to 301 hp)
• Nismo Z S-Tune GT 295 hp (VQ35DE S1 engine)
• 2002- Nissan Skyline (V35) (280 hp)
• Nissan Stagea (M35) (272 hp)
• 2003- Nissan Teana (350JM-J31) (231 hp, 333 nm)
• 2003- Nissan Presage
• 2004- Nissan Fuga (280 hp)
• 2000- Nissan Elgrand (245 hp)
• 2002- Nissan Quest (240 hp)
• 2004- Nissan Murano (Z50) (245 hp)
• 2002 - 2006 Nissan Altima (from 250 to 260 hp)
• Infiniti FX35 (280 hp)
• Renault Espace (241 hp)
• Renault Vel Satis (241 hp)
• 2006 - Samsung (Renault) SM7 NEO-VQ

If you drive a car with this engine in Malaysia, your roadtax will set you off a cool US$1100 a year!

VQ40DE

The VQ40DE is a 4.0 L variant of the VQ35DE (longer stroke).

Improvements include: continuously variable valve timing, variable intake system, hollow camshafts, lighter crankshaft, and friction reduction (microfinished surfaces, moly coated pistons). It produces 265 hp.

It is used in the following vehicles:

• 2005 - Nissan Frontier pickup truck (265 hp)
• 2005+ - Nissan Xterra (265 hp)
• 2005 - Nissan Pathfinder (270 hp @5600 rpm, 291 ft·lbf @4000 rpm)

VQ25HR

Nissan updated the VQ line for 2007. The 2.5 L VQ25HR (for "high revolution" or "high response") is likely to see front-drive use int the future as well.

VQ35HR

Nissan updated the VQ line for 2007. The 3.5 L VQ35HR (for "high revolution" or "high response") is likely to see front-drive use int the future as well.

A wiki page dedicated to the VQ35HR: Link

The VQ35HR produces 306 hp.

It is used in the Infiniti G35

See also

• List of Nissan engines

Sources

• "Powerful Pair: Nissan says new V6 engines increase horsepower, fuel economy". AutoWeek. Retrieved August 29. {{cite web}}: Check date values in: |accessdate= (help); Unknown parameter |accessyear= ignored (|access-date= suggested) (help)