2011 Acura MDX SUV features a new V6 engine and the flexibility and performance that one expects from Honda’s luxury brand. With a starting manufacturer suggested retail price (MSRP) of $ 51,855, the 2011 Acura MDX sport a standard 3.7-liter, 300 horsepower V6 engine with 270 pounds of torque and Drive-by-Wire throttle control.