Under the Hood

A 291-hp, 4.2-liter inline-six-cylinder is standard, and a 300-hp, 5.3-liter V-8 is optional. A four-speed automatic is the sole transmission.

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    Responsive performance
    Buick LaCrosse's stiff body structure serves as the foundation for precise suspension tuning, safety and a quiet ride. Buyers can choose from a family of efficient, direct-injection six-cylinder e ...

    Power Steering
    If power steering assist is lost because the engine stops or the system is not functioning, the vehicle can be steered but it will take more effort. ...

    Engine Coolant (4.6L Engine)
    The cooling system in the vehicle is filled with DEX-COOL® engine coolant. This coolant is designed to remain in the vehicle for five years or 150,000 miles (240 000 km), whichever occurs first ...