<p> Scores 26 Highway MPG and 19 City MPG! This GMC Acadia boasts a Gas V6 3.6L/ engine powering this Automatic transmission. TRANSMISSION, 9-SPEED AUTOMATIC, ELECTRONICALLY-CONTROLLED with 3.6L V6 engine (STD), SUNROOF, DUAL SKYSCAPE 2-PANEL POWER with tilt-sliding front and fix... Read More