The 2012 Mercury Mariner Hybrid is by far the best car ever launched in the United States. The 2012 Mercury Mariner Hybrid has got impressive power and proficiency. The car is equipped with 2.3-liter inline four-cylinder engine proficient in churning out 200 horsepower at 6000 RPM and 193 pound-feet of torque at 4850 RPM. Four-speed automatic transmission system has made the power train even more prolific. Thanks to four-speed automatic transmission facility, the 2012 2013 Mercury Mariner Hybrid churns out awesome fuel economy - 18 mpg in the city and 20 mpg on highways.The 2012 mercury mariner hybrid is new model that makes family size carry. The Car Connection Mercury Mariner color black : A review of the Mariner with our experts' likes and dislikes. A third power train is offered in the Hybrid, which is virtually identical Even though the Hybrid shares its platform and technologies with its siblings the Ford Escape Hybrid and Mazda Tribute Hybrid, the Mercury manages to come off as the most refined of the cars. A review of the Mercury Mariner Hybrid that covers pros and cons, available options, power trains and overall driving performance.