Fast, Strong 1970s Vehicle
Puzzle 7 of Groups of Three Easy Pack
Question is: Fast, Strong 1970s Vehicle
and the answer is: MUSCLECAR
Word Meaning:
MUSCLE CAR — Any of a variety of automobiles, especially American coupes from the 1960s and early 1970s, that are modified to look and perform like race cars and equipped with large, powerful V-8 engines that allow for quick acceleration to high speeds; but still designed for travel on regular highways.
Definitions from Wiktionary.