There are two vartions of the Ford Explorer Limited 4x4 available in 2007.  A 4.0 liter V6-powered model supplies 210 horsepower, while the 4.6 liter V8 version bumps horsepower to 292.  Thanks to 300 pound-feet of torque, towing is about 7000 pounds with the V8.  The Limited comes standard with dual-zone climate control (front and rear), a power front passenger seat and memory function for the driver, an in-dash CD changer, steering wheel audio controls, heated mirrors and 18-inch alloy wheels.