The image above is the Charger R/T Scat Pack, which offers even more power from a 6.4-liter Hemi. 1968 Dodge Charger R/T, front 3/4 MecumOur legacy model comparison is, of course, the classic Charger, which offered various engines culminating in the 7.0-liter Hemi engine. Like the Charger, this muscle car also offered an eclectic engine range from the Pentastar V6 up to the brutal SRT Hellcat's supercharged 6.2-liter Hemi engine. 3/4 front view of 1964 Pontiac GTO red MecumFor many, the original muscle car, or at least the car that helped kickstart the golden period of muscle, was the GTO. Up until the end, the sixth-generation Camaro offered the classic muscle car (or more accurately, pony car) package: the LT1 V8, rear-wheel drive, a manual transmission, and sexy styling.