muscle car

Etymology

From muscle +‎ car.

Noun

muscle car (plural muscle cars)

1. Any of a variety of automobiles, especially American sedans from the 1960s and early 1970s, that are modified to look and perform like race cars and equipped with large, powerful V8 engines that allow for quick acceleration to high speeds; but still designed for travel on regular highways.
   • 2011, Kat Martin, A Song for My Mother, Vanguard Press, →ISBN, 200:

     In his senior year, he had run across an old '66 Chevy Super Sport headed for the junkyard, bought it for a song, and overhauled it with his dad's help, turning it into the big red muscle car it was back in its day.