The Xterra has never come with a V8. The available engines are/were as follows:
Production2000-2004Engine(s)2.4 L 143 hp (107 kW) I4
3.3 L 170 hp (130 kW) V6
3.3 L 180 hp (130 kW) V6
3.3 L 210 hp (160 kW) V6
Production2005-presentEngine(s)4.0 L 261 hp (195 kW) V6
The 2006 Nissan Armada has a V8 engine.
The 2011 Nissan Titan has a V8 engine.
The 2011 Nissan Armada has a V8 engine.
The 2004 Nissan Titan has a V8 engine.
The 2013 Nissan Armada has a V8 engine.
The 2008 Nissan Armada has a V8 engine.
The 2005 Nissan Titan has a V8 engine.
The 2010 Nissan Titan has a V8 engine.
The 2004 Nissan Armada has a V8 engine.
The 2008 Nissan Titan has a V8 engine.
The 2006 Nissan Titan has a V8 engine.
The 2009 Nissan Titan has a V8 engine.