1964 Chevrolet Impala 409 – True Survivor with Iconic Pedigree This 1964 Chevrolet Impala is a true American classic with legendary status—and this example offers a rare blend of survivor authenticity and high-end restoration where it counts. Born a real-deal factory 409 car with the desirable 409/425 horsepower setup and 4.10 rear gears, this Impala comes with its original owner’s manual, confirming its pedigree and making it an extremely special piece of muscle car history.