The 2006 Mariner Hybrid, with the same gasoline/electric powertrain that was first offered in the 2005 Ford Escape Hybrid, comes only with all-wheel-drive and a Continuously Variable Transmission (CVT). It's easily and affordably upgraded with all-wheel drive (4WD) for stable traction in the snow and a powerful V6 for more responsive performance. New gas/electric hybrid joins the lineup. IntroductionThe Mercury Mariner, based on the Ford Escape, debuted as a 2005 model and was hailed for its responsive handling, smooth road manners and available V6 engine