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 with aluminum heads. 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) @6400 rpm and 137 to 145 ft·lbf (186 to 197 Nm) @4400 rpm. (lean burn) It is fitted to the following vehicles:
1994-2002 Nissan Cefiro A32 and A33
1995-1999 Nissan QX A32
2002- Nissan Cefiro (165 hp)
VQ23DE
The VQ23DE produces 127 kW (173 hp) @6000 rpm and 225 Nm @4400 rpm.
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, 210 hp (JDM)
2001-2005 Nissan Skyline V35, 212 hp (158 kW)
2001- Nissan Stagea M35, 215 hp
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) @6400 rpm and 227 ft·lbf (308 Nm) @3600 rpm. 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 using the same block found in the VQ30DE. Output ranges from 240 hp to 306 hp (179 to 225 kW) and 246 lb·f to 287 lb·f (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, and the VQ series is the only engine to be honored by Ward's every year since the list's inception.
The VQ35DE has an aluminum engine block and aluminum DOHC cylinder heads. It uses sequential fuel injection (SFI), has 4 valves per cylinder with VVT for optimized opening of intake and exhaust 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 (Nissan's motorpsorts and performance division) 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 has a VQ35DE equipped with a switchable Novidem supercharger, producing around 377 hp with the supercharger switched on. The engine may possibly be reffered to as the VQ35DER if the GT-S goes into production.
A destroked version of the VQ35DE is likely to be used the 2008 Nissan GT-R. However, it will have the code of VQ32DETT, indicating a correpsonding displacement reduction to 3.2 liters and the addition of two turbochargers.
The VQ35DE is featured in the following vehicles:
North American
2001-2004 Nissan Pathfinder (240 hp)
2001-2004 Infiniti QX4 (240 hp)
2002-2004 Infiniti I35 (255 hp)
2002- Nissan Altima (from 240 to 260 hp)
2002- Nissan Maxima (255 hp to 265 hp)
2002- Nissan Quest (240 hp)
2003- Nissan 350Z (from 287 to 301 hp)
2003- Infiniti G35 (260 hp to 306 hp)
2003- Infiniti FX35 (280 hp)
2004- Nissan Murano (Z50) (245 hp)
JDM and other markets
Nismo Z S-Tune GT 295 hp (VQ35DE S1 engine)
2000- Nissan Elgrand (245 hp)
2001- Nissan Stagea (M35) (272 hp)
2002- Nissan Skyline (V35) (280+ hp)
2003- Nissan Teana (350JM-J31) (231 hp, 333 nm)
2003- Nissan Presage
2004- Nissan Fuga (280 hp)
2004- Nissan Cefiro Taiwan (258 hp)
2006- Samsung (Renault) SM7 NEO-VQ
Renault Espace (241 hp)
Renault Vel Satis (241 hp)
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 has Nissans direct ignition system with platinum-tipped spark plugs. It produces 265 hp @ 5600 rpm and 284 lb-ft @ 4000 rpm.
It is used in the following vehicles:
2005+ Nissan Frontier (265 hp @5,600 rpm; 284 lb-ft of torque @4,000 rpm)
2005+ Nissan Xterra (265 hp @5,600 rpm; 284 lb-ft of torque @4,000 rpm)
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 in the future as well. It produces 225 ps @6800 rpm and 263 nm @4800 rpm.
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 in the future as well. It produces 315 PS and 358 nm.
It is used in the 2007 Infiniti G35 Sedan. The G35 Coupe will keep the current VQ35DE engine for the 2007 model year.
VQ37DETT
The 3.7 L VQ37DETT is a twin-turbocharged version of the VQ. It is the brand new, never been used before engine rumored to be in the 2008 Nissan GTR, although nothing has been said for sure. It is speculated to make 600 hp at the flywheel, and have the power and durability of an RB while the reliability and smoothness of the VQ. Cosworth is behind the engineering of this engine. A non-turbo variant is spected for Z.
VQ45DETT
The 4.5 L VQ45DETT is a twin-turbocharged version of the VQ. It is the brand new, never been used before engine rumored to be in the 2008 Nissan GTR, although nothing has been said for sure. It is speculated to make 450 hp at the flywheel, and have the power and durability of an RB while the reliability and smoothness of the VQ. Cosworth is behind the engineering of this engine.

