4WD. All the right ingredients! Try THIS on for size! You won't find a better SUV than this good-looking 2006 Lincoln Navigator. You never know when life is going to throw you a curve, but the antilock braking system will always be there to help stop trouble right in its tracks. J.D. Power and Associates gave the 2006 Navigator 4 out of 5 Power Circles for Overall Performance and Design. It is nicely equipped with features such as 4WD.