See also:

Fuel Economy Mode
Vehicles with a 2.4L engine have a Fuel Economy Mode. When engaged, fuel economy mode can improve the vehicle's fuel economy Press the “eco” (economy) button by the shift lever to turn th ...

New for 2010
GM has dropped the long-running 6.0-liter V-8 engine from the Sierra lineup, leaving the powerful 6.2-liter V-8 for heavy towing needs. The rest of the Sierra's eight-cylinder lineup benefits from ...

The Package
Unlike the GMC Yukon and other truck-based SUVs, the Acadia is based on an all-new carlike platform. Because it doesn't use a truck's heavy-duty underpinnings, there's more room in the cabin for s ...