Scores 25 Highway MPG and 17 City MPG! This GMC Acadia delivers a Gas V6 3.6L/223 engine powering this Automatic transmission. ENGINE, 3.6L V6, SIDI, DOHC, Wipers, front intermittent with washers, Wiper, rear intermittent with washer.*This GMC Acadia Comes Equipped with These Options *Windows, power with driver Express-Up/Down and front passenger Express-Down, Wheels, 4 - 20 x 8.0 (50.8 cm x 20.3 cm) polished aluminum, Wheel, spare, 18 x 4.5 (45.7 cm x 11.4 cm) steel, Universal Home Remote includes garage door opener, 3-channel programmable, Transmission, 6-speed automatic (AWD models only.), Traction Select, Tool kit, road emergency, Tires, P235/55R20 all-season, H-rated, blackwall, Tire, compact spare, T135/70R18, blackwall, Tire Pressure Monitoring System with Tire Fill Alert.