2020 GMC Acadia
The redesigned 2020 GMC Acadia boasts cutting-edge technology, a refined interior, and a bold new exterior. A nine-speed automatic transmission is now standard, and there's a new 230-hp turbo engine in the lineup. GMC also introduces the off-road-capable Acadia AT4. Driving around Baton Rouge, Louisiana, the Acadia gets a highway MPG of 25-27.