جی ایم سی AT4 2026 نیا آٹومیٹک گیئر پٹرول Acadia 2026 Follow-up AT4 category New For sale Manual transmission Petrol : Specifications Turbo engine, remote start, 360 camera, lane radar, blind spots, cruise control, 10-speed gearbox, 20-inch rims, full LED lights, central screen, speakers, smart entry all doors, seat cooling, leather seats, panoramic sunroof