Is the Ford Thunderbird a muscle car?

Answer 1

By definition a muscle car is an inexpensive, light, and small car that has the largest engine possible installed. A muscle car is built for one thing: speed.

While a Thunderbird is a sporty vehicle it is more of a luxury car than a canyon carver or drag racer. Both the classic Thunderbirds and the modern 2002 and later models fit into this category.