well if it has 4 cylinders it is a 2.4, if it has 6 it is a 4.0
A 2004 Jeep Wrangler Rubicon has a 4.0L inline six.
4X6
The 2011 Jeep Wrangler has a V6 engine.
The 2012 Jeep Wrangler has a V6 engine.
The 2007 Jeep Wrangler has a V6 engine.
The 2014 Jeep Wrangler has a V6 engine.
The 2010 Jeep Wrangler has a V6 engine.
The 2008 Jeep Wrangler has a V6 engine.
The 2009 Jeep Wrangler has a V6 engine.
The 2013 Jeep Wrangler has a V6 engine.
The 2002 Jeep Wrangler has a 2.5 L base engine size.
The 2007 Jeep Wrangler has a 3.8 L base engine size.