The cylinder layout of the 2005 Nissan Xterra is a V6 configuration, specifically a 4.0-liter V6 in U.S. models. This means the engine’s six cylinders are arranged in two banks forming a “V.”
Across the Xterra’s early years, Nissan offered different engine layouts. The 2000–2004 models used either an inline-4 or a smaller V6, while 2005 brought a larger, modern V6. The following overview summarizes those layout changes to the 2005 model year.
Engine layouts through Xterra generations
Below is a concise overview of how the Xterra’s cylinder layouts changed across its early years.
- 2000–2004 Xterra: KA24DE inline-4 engine, 2.4 L — inline-four layout
- 2000–2004 Xterra: VG33E V6 engine, 3.3 L — V6 layout
- 2005–present Xterra: VQ40DE V6 engine, 4.0 L — V6 layout
The progression shows Nissan’s shift from smaller inline-4 and older V6 options to a larger, modern V6 starting in 2005.
Details for the 2005 model year
The 2005 Xterra’s engine is a 4.0-liter V6 from Nissan’s VQ family, designated VQ40DE. It is a V6 engine arranged with two banks of three cylinders (a true V configuration) and is paired with a 5-speed automatic or a 5-speed manual transmission, depending on trim. The key takeaway is the cylinder layout: a V6, with six cylinders arranged in a V.
Why the cylinder layout matters
A V6 offers smooth operation and typically better mid-range torque than a smaller inline-four of similar displacement. For the Xterra’s off-road and towing roles, the V6 layout provides the necessary combination of power and packaging flexibility in a mid-size SUV.
Summary
In short, the 2005 Nissan Xterra uses a V6 cylinder layout, specifically a 4.0 L V6 (VQ40DE). Earlier Xterras offered inline-4 and smaller V6 options, but 2005 marked the adoption of Nissan’s modern 4.0-liter V6 for this model.


