The Chevy Impala is an awesome car!  Have you ever owned one?
I never have, it was Chevy's most expensive passenger car model through 1965 and had become the best-selling auto in the US.
Really!  I didn't know that!  Was it considered a luxury car at the time?
I'm not really sure on if it was considered luxury or not, but the Caprice was a top-line Impala Sport Sedan in 1965.
Do you know what size engine that was in the original Impala?  It must have been high performance if the car was considered a sport sedan.
positioned above the Impala in 1966, which, in turn, remained above the Chevrolet Bel Air and the Chevrolet Biscayne. The Impala continued as Chevrolet's most popular full-size model through the mid-1980s. Between 1994–96, the Impala was revised as a 5.7-liter V8–powered version of the Chevrolet Caprice Classic sedan.
In 2000, the Impala was reintroduced again as a mainstream front-wheel drive mid-size car. As of February 2014, the 2014 Impala ranked #1 among Affordable Large Cars in "U.S. News & World
Chevy's new compact was aimed. "I think that was the quickest program we ever did at any time," he continued. "We worked night and day on that car, and it didn't take very long to run it through our shop because we had a deadline." And that is what made the Chevy II one of the fastest new-car development programs in GM history – just 18 months after the designers got the green light, the first production Chevy II rolled off the Willow Run, Michigan