* 283 cubic inch V8: This was a smaller, less powerful option.
* 327 cubic inch V8: This was a popular and widely available engine in several horsepower variations.
* 396 cubic inch V8 (optional): This was a larger, more powerful big-block V8, often considered a performance option.
* Turbo-Fire 409 cubic inch V8 (optional): This was a high-performance big-block available in some models. Note that by 1965, the 409 was less common than the 396.
Therefore, there's no single answer to your question. The engine size depended on the specific trim level and options selected when the car was new.
