The 1966 Plymouth Belvedere was a mid-size car produced by the Plymouth division of Chrysler corporation. It was available in several body styles, including sedan, wagon, and convertible. The Belvedere was one of the most popular models of Plymouth during its production years in the 1960s. The 1966 Plymouth Belvedere was offered with three engine choices: a slant-six 225 cubic inch engine, a 318 cubic inch V8 engine, and a 383 cubic inch V8 engine. The latter two had optional four-barrel carburetors that made them more powerful and fuel-efficient. A four-speed manual transmission was available for those who wanted a manual option, while the majority came with the TorqueFlite three-speed automatic. One of the most notable features of the 1966 Belvedere was its aerodynamic design, which helped improve the car's handling and fuel efficiency. It had a curved windshield and a sloping roofline that made the car stand out from other cars of its time. Inside, the Belvedere offered a spacious and comfortable cabin with plenty of headroom and legroom. The front seats were bucket-shaped, and the dashboard was stylishly designed with a veneer wood grain finish. The exterior was offered in several colors with two-tone options available on certain models. The 1966 Plymouth Belvedere was a reliable and durable car that was beloved by many drivers. It was a car for families and for speed enthusiasts. Its popularity has led to the development of a large enthusiast community, with many clubs and online groups dedicated to preserving and restoring these classic cars.