Today’s powerful Buick engines use technology like turbocharging to combine power and efficiency, but displacement was once king. The brand’s largest engine, a 455 cubic inch V-8, was produced from 1970-75.

Today’s powerful Buick engines use technology like turbocharging to combine power and efficiency, but displacement was once king. The brand’s largest engine, a 455 cubic inch V-8, was produced from 1970-75.