The updated eAssist hybrid system now combines a 200-horsepower 2.5-liter gasoline engine and a motor-generator powered by a 0.45 kWh battery.

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After the upgrade, the hybrid LaCross has become even more economical and, compared to the six-cylinder version, consumes almost 20% less gasoline.

In the domestic market, the price of the Buick LaCross 2.5 eAssist starts at $30,490.