Chevy Impala America’s Most Well Known Car The Chevy Impala is one of America’s most well known cars and it continues the tradition of affordable and large Chevrolet sedans. The Chevy Impala is a family sedan and is capable of transporting six people comfortably. Performance & Fuel economy Features Interior & Exterior Safety & Quality The Chevy Impala comes in three levels and these include entry level LS, midgrade LT and loaded LTZ. Your parents or grandparents may have driven a Chevy Impala as it was originally introduced in 1958. Chevy Impala – Performance & Fuel Economy The Chevy Impala has a 3.6 liter V-6 engine with six-speed transmission. The engine can run on regular unleaded petrol and produces 300 horsepower and 262-pound feet of torque. It has a smooth and quiet operation compared to other vehicles in the same size and weight class. The six-speed transmission has a wider gear span and this ensures fast acceleration and passing. Chevy Impal