Car and Driver, May 2014 tested the new Z-28, $75,000.00 (What's that in 1970 Dollars?)

Quarter Mile 12.7@116 mph
Top Speed 172 mph
Lateral Acceleration 1.06 G's
Est MPG 19
Curb Weight 3,862 lbs
Braking from 70 mph 155 ft.

IMO, that's a muscle car!!!!!