See also:

Efficient powertrain
The Acadia is powered by GM's 3.6L V-6 with variable valve timing (VVT), which is designed for good fuel economy, low emissions and exceptional smoothness. Paired to this engine is a new fuel-savi ...

California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this fuel is n ...

Filling the Tank
If the vehicle has a diesel engine, see the Duramax diesel supplement for more information. WARNING Fuel vapor burns violently and a fuel fire can cause bad injuries. To help avoid injuries to you ...