The 2010 Mercury Milan has upgraded performance and fuel economy in their two reworked engine options when compared to previous years' engines
. The two engine options available in the 2010 Mercury Milan are: 2.5L I4 and 3.0L V6.
The 2.5L 4 cylinder engine has been reworked with new pistons, crankshaft, and new block and cylinder head. This is an upgrade from the previous 2.3 L engine. The horsepower has been improved also from 160 HP to 175 HP with 172 pound-feet of torque. The engine also bettered by more than 1 second its previous 0-60 speed, which the 2010 Milan can now reach in 9.5 seconds. Most importantly, the 2.5L engine has improved its highway mpg by 5 mpg; it is now rated at 23 mpg around the city and 34 mpg for highway driving. That is the best in the midsized sedan class.
The 3.0L has also undergone improvements. This engine can be fueled with either gasoline or the Ethanol E85 fuel alternative; this fuel alternative reduces carbon emissions. The 3.0L V6 engine has also improved its mpg rating for up to 25 mpg for highway driving and 21 mpg around town driving. Horsepower was also improved by 19 over the previous 221; the 2010 3.0L V6 engine has 240 HP with 223 pound-feet of torque.
These two new engines have been teamed with new transmissions that have six forward gears, which are up from five in previous models. Both manual and automatic transmissions have the six gears. Ford Engineers say this will provide more efficient shifting at all speeds. At highway speeds, the higher gear permits the engine to run at a slower speed; this means better fuel economy.