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)
- 2005–2012 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)
- 2012–present Nissan NV1500 (261 hp @5600 rpm; 281 lb·ft (381 N·m) @4000 rpm)
- 2012–present Nissan NV2500 HD (261 hp @5600 rpm; 281 lb·ft (381 N·m) @4000 rpm)
- 2012–present Nissan NV Passenger (261 hp @5600 rpm; 281 lb·ft (381 N·m) @4000 rpm)
Read more about this topic: Nissan VQ Engine, DE Series